How Do Bitcoin Transactions Work? - Bitcoin Basics

Olivier Janssens: Maybe everyone involved in Bitcoin can sign a contract that they will respect its original foundation: No limits, and transactions onchain.

Olivier Janssens: Maybe everyone involved in Bitcoin can sign a contract that they will respect its original foundation: No limits, and transactions onchain. submitted by Windowly to btc [link] [comments]

AISYS Globel PTE.LTD and CoinBene Limited have signed a public contract on the exchange market of CoinBene. And with that, AIDUS Coin has signed an MOU to develop into a transaction-based currency such as Ethereum or Bitcoin.

AISYS Globel PTE.LTD and CoinBene Limited have signed a public contract on the exchange market of CoinBene. And with that, AIDUS Coin has signed an MOU to develop into a transaction-based currency such as Ethereum or Bitcoin. submitted by Dennis-Lee to u/Dennis-Lee [link] [comments]

Olivier Janssens: Maybe everyone involved in Bitcoin can sign a contract that they will respect its original foundation: No limits, and transactions onchain.

Olivier Janssens: Maybe everyone involved in Bitcoin can sign a contract that they will respect its original foundation: No limits, and transactions onchain. submitted by Windowly to bitcoinxt [link] [comments]

Olivier Janssens: Maybe everyone involved in Bitcoin can sign a contract that they will respect its original foundation: No limits, and transactions onchain.

Olivier Janssens: Maybe everyone involved in Bitcoin can sign a contract that they will respect its original foundation: No limits, and transactions onchain. submitted by BitcoinAllBot to BitcoinAll [link] [comments]

BCH SLP Trustless Swaps

BCH SLP Trustless Swaps submitted by banet to btc [link] [comments]

Kraken Exchange to Roll Out Lightning Network Support This Year

Kraken Exchange to Roll Out Lightning Network Support This Year submitted by wmredditor to Bitcoin [link] [comments]

Bitcoin Fullnode Install Guide for Dummies ;-)

Bitcoin Fullnode Install Guide for Dummies ;-)
Feel free to stop at Level 0 or Level 1, which is fine. More advanced configs are offered to those with more tech savvy. This guide, obviously assumes a Windows 10 install, but other OSes work fine, just find a different guide. BTW, the "For Dummies" is a callback to a set of "tech" books in the 90's intended to be as easy as possible. It is in jest and not intended to insult the reader. Finally, if you dislike the formatting, a well formatted copy can be found here
There is a fairly small subset of Bitcoin users that run a full node. I think the idea of running a full node has gotten a bad rap over the years since there is so much talk about running on a Raspberry Pi, or getting zippy SSDs. Although all of this can be fun, it is often not really required at all. Here are some ways to run a full node starting with the very simple. I'll get into more complex configs, but these are all optional.

Tech Skill Level: 0 (the basics)

  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
In many cases, thats it. If your running a new machine with a fairly good internet connection, 8 or 9 hours will be enough to complete the "Initial Block Download" (IBD). This may fill up your drive a bit, but again, on most new machines, 300 GB of space isn't that hard to come by.

Tech Skill Level: 1 (encrypted wallet)

One thing we left out in the level-0 exercise is encrypting your wallet. It's easy enough to do well, but a bit more difficult to do right. The main challenge is that humans generate really poor passwords. If you want a good password, the best way is to use something called "diceware". Basically, you just grab 4 or 5 dice and each throw of the dice represents a certain word on a special list. The throw {1,4,5,3,1} for example would be the word camping on the EFF-diceware-wordlist. So you repeat this a few times until you have a list of 8 or so words which becomes the passphrase you use to encrypt your wallet. Write it down, it is always hard to remember at first. So at level-1 your list becomes:
  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Choose Encrypt Wallet from the Settings menu
  5. Enter your 8 word (or so) passphrase generated using the Diceware method

Wallet Encryption Dialog

Tech Skill Level: 2 (enable pruning if needed)

Though I said "300 GB of space isn't hard to come by", some times it actually is. If space is an issue, a simple way to fix it is to tell bitcoin to simple take less space. This is called "pruning" and can take that number from 300 GB down to below 5 GB. If you can't find 5 GB, then you'll have to read ahead to level-4 to add USB storage. But the good news is, enabling pruning is pretty easy, we just add another step to our working list:
  1. Download Bitcoin Core
  2. Launch the downloaded installer and install the app
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Do the wallet encryption steps here if you wish
  5. Choose Options from the Settings menu
  6. Choose Prune block storage to: and select the max size for the blocks to use
  7. Exit and restart the bitcoin application for the changes to take effect

Pruning Dialog
Note, even setting this to 1 GB will still leave you with about a 4.5 GB install. The blocks take up a lot of space, but the chainstate and other folders eat up at least 3.5 GB and they can't be pruned. Also, be aware, to disable pruning requires you to perform the entire IBD again. While pruned some other functions my be disabled as well, so just know that pruning does limit some functionality.

Tech Skill Level: 3 (verify the installer)

Although this is arguably something that should be done at level-0, some find the intricacies of comparing hash (thumbprint) values to be tedious and beyond the scope of a beginner. You will find these types of hash compares suggested quite often as a way to prevent running tainted programs. Programs are often tainted by bad disk or network performance, but most often, taint is malicious code inserted by viruses or malware. This is a way to guard yourself against those types of attacks.
What I cover here is a very basic comparison on the certificate, but a more thorough verification advised by mosts uses a program called Gpg4Win, and is beyond the scope of this beginners guide. But regardless, most users should strive to do this minimum level of validation.
  1. Download Bitcoin Core
  2. Launch the downloaded installer
  3. When prompted "Do you want to allow..." click Show more details
  4. In the details section select Show information about the publisher's certificate
  5. In the certificate window select the Details tab
  6. In the Details tab Subject should start with "CN = Bitcoin Core Code Signing Association"
  7. Ensure Thumbprint in Details reads ea27d3cefb3eb715ed214176a5d027e01ba1ee86
  8. If the checks pass, click OK to exit the certificate window and Yes to allow the installer to run.
  9. Launch the installed "Bitcoin Core" app and let it run overnight
  10. Do the wallet encryption steps here if you wish
  11. Do the optional pruning steps here if you wish

Certification Validation Windows
Note: The certificate used to sign the current Bitcoin installer is only valid from March 2020 to March 2021. After that point the thumbprint on the certificate will change. This is by design and intentional. If your reading this post after March 2021, then it is understood that the thumbprint has changed.

Tech Skill Level: 4 (use secondary storage)

We glossed over the "new machine with fairly good internet" part. Truth be known many people do not have fairly new machines, and find the IBD to take longer than the "over night" best wishes. For most people the slowdown is the disk access when calculating what is called chainstate. This requires fast random reads and writes to the disk. If you have an SSD disk, this will be no problem, but if you have a non-SSD "spinning" disk, random writes are always slow. Though an SSD will speed things up, they are pricey, so a nice middle ground may be a simple high-end USB key drive. You can get some with 10 to 15 MB/s random writes for $20 on Amazon. This is usually a order of magnitude faster than a "spinning" disk. And with pruning (see level-2), a small USB drive should be fine.
Once you decide on a drive, the tricky part will be to enable external storage. It requires editing a configuration file and adding a line. First, we want to create a directory on the key drive. You will need to determine the drive letter of your USB key drive. For the sake of this example, we will assume it is D:, but you must determine this yourself and correct the example. Once you know the drive letter, create a blank folder on the drive called Bitcoin. So for this example, creating Bitcoin on drive D: will create the path D:\Bitcoin. Once done, assuming that D: is your drive, here are the new steps including the edit of the configuration file:
  1. Download Bitcoin Core
  2. Launch the installer, verify it, then run it
  3. Launch the installed "Bitcoin Core" app and let it run overnight
  4. Do the wallet encryption steps here if you wish
  5. Do the optional pruning steps here if you wish
  6. Launch "Notepad" by typing "Notepad.exe" in the windows search bar then click Open
  7. Type the line datadir=D:\Bitcoin (depending on your drive letter) in the blank file
  8. Choose Save from the File menu in notepad
  9. Type %APPDATA%\Bitcoin\bitcoin.conf (note the percent signs) in the File name box
  10. Select All Files from the Save as type dropdown
  11. Click the Save button and overwrite the file if prompted
  12. Exit and restart the bitcoin application for the changes to take effect

Save As Dialog
Now that you've reached this level of technical expertise, there are many new configuration options that you can begin to modify if you wish. Most configuration data is contained in the bitcoin.conf file and learning how to maintain it is a key step for a node operator.

Tech Skill Level: 5 (all other customizations)

Here's a short list of various things you can ADD to your bitcoin.conf file. You generally just add a new line for each configuration settings.
  • addresstype=bech32
  • changetype=bech32
The addresstype / changetype allows your wallet to use the native-segwit (bech32) format. This is the most efficient and inexpensive way to spend bitcoin, and is a recommended configuration. The default uses something called p2sh-segwit which is more compatible with older wallets, but more expensive to spend.
  • minrelaytxfee=0.00000011
Changing the minrelaytxfee setting allows you to help propagate lower fee transactions. It will require more memory but TXN memory is capped at 300 MB by default anyways, so if you have enough memory, it is a good setting to choose.
  • dbcache=2048
The dbcache setting controls how many MB of memory the program will use for the chainstate database. Since this is a key bottleneck in the IBD, setting this value high (2048 MB) will greatly speed up the IBD, assuming you have the memory to spare
  • blocksdir=C:\Bitcoin
  • datadir=D:\Bitcoin
In level-4 we discussed moving the datadir to a fast external storage, but the majority of the space used for bitcoin is the blocks directory (blocksdir). Although you should always use for fastest storage for datadir, you are free to use slow storage for blocksdir. So if you only want to consume a small amount of your SSD (assumed D:) then you can keep your blocks on your slow "spinning" drive.
  • upnp=1
One of the harder challenges you may face running a node, is to get incoming connections. If you are lucky, you may find that your firewall and network HW support the uPnP protocol. If they do, this setting will allow bitcoin to configure uPnP to allow incoming connections to your node. Other methods exist to make your node reachable, but they are well beyond the scope of this guide.
submitted by brianddk to Bitcoin [link] [comments]

Proposal: The Sia Foundation

Vision Statement

A common sentiment is brewing online; a shared desire for the internet that might have been. After decades of corporate encroachment, you don't need to be a power user to realize that something has gone very wrong.
In the early days of the internet, the future was bright. In that future, when you sent an instant message, it traveled directly to the recipient. When you needed to pay a friend, you announced a transfer of value to their public key. When an app was missing a feature you wanted, you opened up the source code and implemented it. When you took a picture on your phone, it was immediately encrypted and backed up to storage that you controlled. In that future, people would laugh at the idea of having to authenticate themselves to some corporation before doing these things.
What did we get instead? Rather than a network of human-sized communities, we have a handful of enormous commons, each controlled by a faceless corporate entity. Hey user, want to send a message? You can, but we'll store a copy of it indefinitely, unencrypted, for our preference-learning algorithms to pore over; how else could we slap targeted ads on every piece of content you see? Want to pay a friend? You can—in our Monopoly money. Want a new feature? Submit a request to our Support Center and we'll totally maybe think about it. Want to backup a photo? You can—inside our walled garden, which only we (and the NSA, of course) can access. Just be careful what you share, because merely locking you out of your account and deleting all your data is far from the worst thing we could do.
You rationalize this: "MEGACORP would never do such a thing; it would be bad for business." But we all know, at some level, that this state of affairs, this inversion of power, is not merely "unfortunate" or "suboptimal" – No. It is degrading. Even if MEGACORP were purely benevolent, it is degrading that we must ask its permission to talk to our friends; that we must rely on it to safeguard our treasured memories; that our digital lives are completely beholden to those who seek only to extract value from us.
At the root of this issue is the centralization of data. MEGACORP can surveil you—because your emails and video chats flow through their servers. And MEGACORP can control you—because they hold your data hostage. But centralization is a solution to a technical problem: How can we make the user's data accessible from anywhere in the world, on any device? For a long time, no alternative solution to this problem was forthcoming.
Today, thanks to a confluence of established techniques and recent innovations, we have solved the accessibility problem without resorting to centralization. Hashing, encryption, and erasure encoding got us most of the way, but one barrier remained: incentives. How do you incentivize an anonymous stranger to store your data? Earlier protocols like BitTorrent worked around this limitation by relying on altruism, tit-for-tat requirements, or "points" – in other words, nothing you could pay your electric bill with. Finally, in 2009, a solution appeared: Bitcoin. Not long after, Sia was born.
Cryptography has unleashed the latent power of the internet by enabling interactions between mutually-distrustful parties. Sia harnesses this power to turn the cloud storage market into a proper marketplace, where buyers and sellers can transact directly, with no intermediaries, anywhere in the world. No more silos or walled gardens: your data is encrypted, so it can't be spied on, and it's stored on many servers, so no single entity can hold it hostage. Thanks to projects like Sia, the internet is being re-decentralized.
Sia began its life as a startup, which means it has always been subjected to two competing forces: the ideals of its founders, and the profit motive inherent to all businesses. Its founders have taken great pains to never compromise on the former, but this often threatened the company's financial viability. With the establishment of the Sia Foundation, this tension is resolved. The Foundation, freed of the obligation to generate profit, is a pure embodiment of the ideals from which Sia originally sprung.
The goals and responsibilities of the Foundation are numerous: to maintain core Sia protocols and consensus code; to support developers building on top of Sia and its protocols; to promote Sia and facilitate partnerships in other spheres and communities; to ensure that users can easily acquire and safely store siacoins; to develop network scalability solutions; to implement hardforks and lead the community through them; and much more. In a broader sense, its mission is to commoditize data storage, making it cheap, ubiquitous, and accessible to all, without compromising privacy or performance.
Sia is a perfect example of how we can achieve better living through cryptography. We now begin a new chapter in Sia's history. May our stewardship lead it into a bright future.
 

Overview

Today, we are proposing the creation of the Sia Foundation: a new non-profit entity that builds and supports distributed cloud storage infrastructure, with a specific focus on the Sia storage platform. What follows is an informal overview of the Sia Foundation, covering two major topics: how the Foundation will be funded, and what its funds will be used for.

Organizational Structure

The Sia Foundation will be structured as a non-profit entity incorporated in the United States, likely a 501(c)(3) organization or similar. The actions of the Foundation will be constrained by its charter, which formalizes the specific obligations and overall mission outlined in this document. The charter will be updated on an annual basis to reflect the current goals of the Sia community.
The organization will be operated by a board of directors, initially comprising Luke Champine as President and Eddie Wang as Chairman. Luke Champine will be leaving his position at Nebulous to work at the Foundation full-time, and will seek to divest his shares of Nebulous stock along with other potential conflicts of interest. Neither Luke nor Eddie personally own any siafunds or significant quantities of siacoin.

Funding

The primary source of funding for the Foundation will come from a new block subsidy. Following a hardfork, 30 KS per block will be allocated to the "Foundation Fund," continuing in perpetuity. The existing 30 KS per block miner reward is not affected. Additionally, one year's worth of block subsidies (approximately 1.57 GS) will be allocated to the Fund immediately upon activation of the hardfork.
As detailed below, the Foundation will provably burn any coins that it cannot meaningfully spend. As such, the 30 KS subsidy should be viewed as a maximum. This allows the Foundation to grow alongside Sia without requiring additional hardforks.
The Foundation will not be funded to any degree by the possession or sale of siafunds. Siafunds were originally introduced as a means of incentivizing growth, and we still believe in their effectiveness: a siafund holder wants to increase the amount of storage on Sia as much as possible. While the Foundation obviously wants Sia to succeed, its driving force should be its charter. Deriving significant revenue from siafunds would jeopardize the Foundation's impartiality and focus. Ultimately, we want the Foundation to act in the best interests of Sia, not in growing its own budget.

Responsibilities

The Foundation inherits a great number of responsibilities from Nebulous. Each quarter, the Foundation will publish the progress it has made over the past quarter, and list the responsibilities it intends to prioritize over the coming quarter. This will be accompanied by a financial report, detailing each area of expenditure over the past quarter, and forecasting expenditures for the coming quarter. Below, we summarize some of the myriad responsibilities towards which the Foundation is expected to allocate its resources.

Maintain and enhance core Sia software

Arguably, this is the most important responsibility of the Foundation. At the heart of Sia is its consensus algorithm: regardless of other differences, all Sia software must agree upon the content and rules of the blockchain. It is therefore crucial that the algorithm be stewarded by an entity that is accountable to the community, transparent in its decision-making, and has no profit motive or other conflicts of interest.
Accordingly, Sia’s consensus functionality will no longer be directly maintained by Nebulous. Instead, the Foundation will release and maintain an implementation of a "minimal Sia full node," comprising the Sia consensus algorithm and P2P networking code. The source code will be available in a public repository, and signed binaries will be published for each release.
Other parties may use this code to provide alternative full node software. For example, Nebulous may extend the minimal full node with wallet, renter, and host functionality. The source code of any such implementation may be submitted to the Foundation for review. If the code passes review, the Foundation will provide "endorsement signatures" for the commit hash used and for binaries compiled internally by the Foundation. Specifically, these signatures assert that the Foundation believes the software contains no consensus-breaking changes or other modifications to imported Foundation code. Endorsement signatures and Foundation-compiled binaries may be displayed and distributed by the receiving party, along with an appropriate disclaimer.
A minimal full node is not terribly useful on its own; the wallet, renter, host, and other extensions are what make Sia a proper developer platform. Currently, the only implementations of these extensions are maintained by Nebulous. The Foundation will contract Nebulous to ensure that these extensions continue to receive updates and enhancements. Later on, the Foundation intends to develop its own implementations of these extensions and others. As with the minimal node software, these extensions will be open source and available in public repositories for use by any Sia node software.
With the consensus code now managed by the Foundation, the task of implementing and orchestrating hardforks becomes its responsibility as well. When the Foundation determines that a hardfork is necessary (whether through internal discussion or via community petition), a formal proposal will be drafted and submitted for public review, during which arguments for and against the proposal may be submitted to a public repository. During this time, the hardfork code will be implemented, either by Foundation employees or by external contributors working closely with the Foundation. Once the implementation is finished, final arguments will be heard. The Foundation board will then vote whether to accept or reject the proposal, and announce their decision along with appropriate justification. Assuming the proposal was accepted, the Foundation will announce the block height at which the hardfork will activate, and will subsequently release source code and signed binaries that incorporate the hardfork code.
Regardless of the Foundation's decision, it is the community that ultimately determines whether a fork is accepted or rejected – nothing can change that. Foundation node software will never automatically update, so all forks must be explicitly adopted by users. Furthermore, the Foundation will provide replay and wipeout protection for its hard forks, protecting other chains from unintended or malicious reorgs. Similarly, the Foundation will ensure that any file contracts formed prior to a fork activation will continue to be honored on both chains until they expire.
Finally, the Foundation also intends to pursue scalability solutions for the Sia blockchain. In particular, work has already begun on an implementation of Utreexo, which will greatly reduce the space requirements of fully-validating nodes (allowing a full node to be run on a smartphone) while increasing throughput and decreasing initial sync time. A hardfork implementing Utreexo will be submitted to the community as per the process detailed above.
As this is the most important responsibility of the Foundation, it will receive a significant portion of the Foundation’s budget, primarily in the form of developer salaries and contracting agreements.

Support community services

We intend to allocate 25% of the Foundation Fund towards the community. This allocation will be held and disbursed in the form of siacoins, and will pay for grants, bounties, hackathons, and other community-driven endeavours.
Any community-run service, such as a Skynet portal, explorer or web wallet, may apply to have its costs covered by the Foundation. Upon approval, the Foundation will reimburse expenses incurred by the service, subject to the exact terms agreed to. The intent of these grants is not to provide a source of income, but rather to make such services "break even" for their operators, so that members of the community can enrich the Sia ecosystem without worrying about the impact on their own finances.

Ensure easy acquisition and storage of siacoins

Most users will acquire their siacoins via an exchange. The Foundation will provide support to Sia-compatible exchanges, and pursue relevant integrations at its discretion, such as Coinbase's new Rosetta standard. The Foundation may also release DEX software that enables trading cryptocurrencies without the need for a third party. (The Foundation itself will never operate as a money transmitter.)
Increasingly, users are storing their cryptocurrency on hardware wallets. The Foundation will maintain the existing Ledger Nano S integration, and pursue further integrations at its discretion.
Of course, all hardware wallets must be paired with software running on a computer or smartphone, so the Foundation will also develop and/or maintain client-side wallet software, including both full-node wallets and "lite" wallets. Community-operated wallet services, i.e. web wallets, may be funded via grants.
Like core software maintenance, this responsibility will be funded in the form of developer salaries and contracting agreements.

Protect the ecosystem

When it comes to cryptocurrency security, patching software vulnerabilities is table stakes; there are significant legal and social threats that we must be mindful of as well. As such, the Foundation will earmark a portion of its fund to defend the community from legal action. The Foundation will also safeguard the network from 51% attacks and other threats to network security by implementing softforks and/or hardforks where necessary.
The Foundation also intends to assist in the development of a new FOSS software license, and to solicit legal memos on various Sia-related matters, such as hosting in the United States and the EU.
In a broader sense, the establishment of the Foundation makes the ecosystem more robust by transferring core development to a more neutral entity. Thanks to its funding structure, the Foundation will be immune to various forms of pressure that for-profit companies are susceptible to.

Drive adoption of Sia

Although the overriding goal of the Foundation is to make Sia the best platform it can be, all that work will be in vain if no one uses the platform. There are a number of ways the Foundation can promote Sia and get it into the hands of potential users and developers.
In-person conferences are understandably far less popular now, but the Foundation can sponsor and/or participate in virtual conferences. (In-person conferences may be held in the future, permitting circumstances.) Similarly, the Foundation will provide prizes for hackathons, which may be organized by community members, Nebulous, or the Foundation itself. Lastly, partnerships with other companies in the cryptocurrency space—or the cloud storage space—are a great way to increase awareness of Sia. To handle these responsibilities, one of the early priorities of the Foundation will be to hire a marketing director.

Fund Management

The Foundation Fund will be controlled by a multisig address. Each member of the Foundation's board will control one of the signing keys, with the signature threshold to be determined once the final composition of the board is known. (This threshold may also be increased or decreased if the number of board members changes.) Additionally, one timelocked signing key will be controlled by David Vorick. This key will act as a “dead man’s switch,” to be used in the event of an emergency that prevents Foundation board members from reaching the signature threshold. The timelock ensures that this key cannot be used unless the Foundation fails to sign a transaction for several months.
On the 1st of each month, the Foundation will use its keys to transfer all siacoins in the Fund to two new addresses. The first address will be controlled by a high-security hot wallet, and will receive approximately one month's worth of Foundation expenditures. The second address, receiving the remaining siacoins, will be a modified version of the source address: specifically, it will increase the timelock on David Vorick's signing key by one month. Any other changes to the set of signing keys, such as the arrival or departure of board members, will be incorporated into this address as well.
The Foundation Fund is allocated in SC, but many of the Foundation's expenditures must be paid in USD or other fiat currency. Accordingly, the Foundation will convert, at its discretion, a portion of its monthly withdrawals to fiat currency. We expect this conversion to be primarily facilitated by private "OTC" sales to accredited investors. The Foundation currently has no plans to speculate in cryptocurrency or other assets.
Finally, it is important that the Foundation adds value to the Sia platform well in excess of the inflation introduced by the block subsidy. For this reason, the Foundation intends to provably burn, on a quarterly basis, any coins that it cannot allocate towards any justifiable expense. In other words, coins will be burned whenever doing so provides greater value to the platform than any other use. Furthermore, the Foundation will cap its SC treasury at 5% of the total supply, and will cap its USD treasury at 4 years’ worth of predicted expenses.
 
Addendum: Hardfork Timeline
We would like to see this proposal finalized and accepted by the community no later than September 30th. A new version of siad, implementing the hardfork, will be released no later than October 15th. The hardfork will activate at block 293220, which is expected to occur around 12pm EST on January 1st, 2021.
 
Addendum: Inflation specifics
The total supply of siacoins as of January 1st, 2021 will be approximately 45.243 GS. The initial subsidy of 1.57 GS thus increases the supply by 3.47%, and the total annual inflation in 2021 will be at most 10.4% (if zero coins are burned). In 2022, total annual inflation will be at most 6.28%, and will steadily decrease in subsequent years.
 

Conclusion

We see the establishment of the Foundation as an important step in the maturation of the Sia project. It provides the ecosystem with a sustainable source of funding that can be exclusively directed towards achieving Sia's ambitious goals. Compared to other projects with far deeper pockets, Sia has always punched above its weight; once we're on equal footing, there's no telling what we'll be able to achieve.
Nevertheless, we do not propose this change lightly, and have taken pains to ensure that the Foundation will act in accordance with the ideals that this community shares. It will operate transparently, keep inflation to a minimum, and respect the user's fundamental role in decentralized systems. We hope that everyone in the community will consider this proposal carefully, and look forward to a productive discussion.
submitted by lukechampine to siacoin [link] [comments]

Gridcoin 5.0.0.0-Mandatory "Fern" Release

https://github.com/gridcoin-community/Gridcoin-Research/releases/tag/5.0.0.0
Finally! After over ten months of development and testing, "Fern" has arrived! This is a whopper. 240 pull requests merged. Essentially a complete rewrite that was started with the scraper (the "neural net" rewrite) in "Denise" has now been completed. Practically the ENTIRE Gridcoin specific codebase resting on top of the vanilla Bitcoin/Peercoin/Blackcoin vanilla PoS code has been rewritten. This removes the team requirement at last (see below), although there are many other important improvements besides that.
Fern was a monumental undertaking. We had to encode all of the old rules active for the v10 block protocol in new code and ensure that the new code was 100% compatible. This had to be done in such a way as to clear out all of the old spaghetti and ring-fence it with tightly controlled class implementations. We then wrote an entirely new, simplified ruleset for research rewards and reengineered contracts (which includes beacon management, polls, and voting) using properly classed code. The fundamentals of Gridcoin with this release are now on a very sound and maintainable footing, and the developers believe the codebase as updated here will serve as the fundamental basis for Gridcoin's future roadmap.
We have been testing this for MONTHS on testnet in various stages. The v10 (legacy) compatibility code has been running on testnet continuously as it was developed to ensure compatibility with existing nodes. During the last few months, we have done two private testnet forks and then the full public testnet testing for v11 code (the new protocol which is what Fern implements). The developers have also been running non-staking "sentinel" nodes on mainnet with this code to verify that the consensus rules are problem-free for the legacy compatibility code on the broader mainnet. We believe this amount of testing is going to result in a smooth rollout.
Given the amount of changes in Fern, I am presenting TWO changelogs below. One is high level, which summarizes the most significant changes in the protocol. The second changelog is the detailed one in the usual format, and gives you an inkling of the size of this release.

Highlights

Protocol

Note that the protocol changes will not become active until we cross the hard-fork transition height to v11, which has been set at 2053000. Given current average block spacing, this should happen around October 4, about one month from now.
Note that to get all of the beacons in the network on the new protocol, we are requiring ALL beacons to be validated. A two week (14 day) grace period is provided by the code, starting at the time of the transition height, for people currently holding a beacon to validate the beacon and prevent it from expiring. That means that EVERY CRUNCHER must advertise and validate their beacon AFTER the v11 transition (around Oct 4th) and BEFORE October 18th (or more precisely, 14 days from the actual date of the v11 transition). If you do not advertise and validate your beacon by this time, your beacon will expire and you will stop earning research rewards until you advertise and validate a new beacon. This process has been made much easier by a brand new beacon "wizard" that helps manage beacon advertisements and renewals. Once a beacon has been validated and is a v11 protocol beacon, the normal 180 day expiration rules apply. Note, however, that the 180 day expiration on research rewards has been removed with the Fern update. This means that while your beacon might expire after 180 days, your earned research rewards will be retained and can be claimed by advertising a beacon with the same CPID and going through the validation process again. In other words, you do not lose any earned research rewards if you do not stake a block within 180 days and keep your beacon up-to-date.
The transition height is also when the team requirement will be relaxed for the network.

GUI

Besides the beacon wizard, there are a number of improvements to the GUI, including new UI transaction types (and icons) for staking the superblock, sidestake sends, beacon advertisement, voting, poll creation, and transactions with a message. The main screen has been revamped with a better summary section, and better status icons. Several changes under the hood have improved GUI performance. And finally, the diagnostics have been revamped.

Blockchain

The wallet sync speed has been DRASTICALLY improved. A decent machine with a good network connection should be able to sync the entire mainnet blockchain in less than 4 hours. A fast machine with a really fast network connection and a good SSD can do it in about 2.5 hours. One of our goals was to reduce or eliminate the reliance on snapshots for mainnet, and I think we have accomplished that goal with the new sync speed. We have also streamlined the in-memory structures for the blockchain which shaves some memory use.
There are so many goodies here it is hard to summarize them all.
I would like to thank all of the contributors to this release, but especially thank @cyrossignol, whose incredible contributions formed the backbone of this release. I would also like to pay special thanks to @barton2526, @caraka, and @Quezacoatl1, who tirelessly helped during the testing and polishing phase on testnet with testing and repeated builds for all architectures.
The developers are proud to present this release to the community and we believe this represents the starting point for a true renaissance for Gridcoin!

Summary Changelog

Accrual

Changed

Most significantly, nodes calculate research rewards directly from the magnitudes in EACH superblock between stakes instead of using a two- or three- point average based on a CPID's current magnitude and the magnitude for the CPID when it last staked. For those long-timers in the community, this has been referred to as "Superblock Windows," and was first done in proof-of-concept form by @denravonska.

Removed

Beacons

Added

Changed

Removed

Unaltered

As a reminder:

Superblocks

Added

Changed

Removed

Voting

Added

Changed

Removed

Detailed Changelog

[5.0.0.0] 2020-09-03, mandatory, "Fern"

Added

Changed

Removed

Fixed

submitted by jamescowens to gridcoin [link] [comments]

Technical: Taproot: Why Activate?

This is a follow-up on https://old.reddit.com/Bitcoin/comments/hqzp14/technical_the_path_to_taproot_activation/
Taproot! Everybody wants it!! But... you might ask yourself: sure, everybody else wants it, but why would I, sovereign Bitcoin HODLer, want it? Surely I can be better than everybody else because I swapped XXX fiat for Bitcoin unlike all those nocoiners?
And it is important for you to know the reasons why you, o sovereign Bitcoiner, would want Taproot activated. After all, your nodes (or the nodes your wallets use, which if you are SPV, you hopefully can pester to your wallet vendoimplementor about) need to be upgraded in order for Taproot activation to actually succeed instead of becoming a hot sticky mess.
First, let's consider some principles of Bitcoin.
I'm sure most of us here would agree that the above are very important principles of Bitcoin and that these are principles we would not be willing to remove. If anything, we would want those principles strengthened (especially the last one, financial privacy, which current Bitcoin is only sporadically strong with: you can get privacy, it just requires effort to do so).
So, how does Taproot affect those principles?

Taproot and Your /Coins

Most HODLers probably HODL their coins in singlesig addresses. Sadly, switching to Taproot would do very little for you (it gives a mild discount at spend time, at the cost of a mild increase in fee at receive time (paid by whoever sends to you, so if it's a self-send from a P2PKH or bech32 address, you pay for this); mostly a wash).
(technical details: a Taproot output is 1 version byte + 32 byte public key, while a P2WPKH (bech32 singlesig) output is 1 version byte + 20 byte public key hash, so the Taproot output spends 12 bytes more; spending from a P2WPKH requires revealing a 32-byte public key later, which is not needed with Taproot, and Taproot signatures are about 9 bytes smaller than P2WPKH signatures, but the 32 bytes plus 9 bytes is divided by 4 because of the witness discount, so it saves about 11 bytes; mostly a wash, it increases blockweight by about 1 virtual byte, 4 weight for each Taproot-output-input, compared to P2WPKH-output-input).
However, as your HODLings grow in value, you might start wondering if multisignature k-of-n setups might be better for the security of your savings. And it is in multisignature that Taproot starts to give benefits!
Taproot switches to using Schnorr signing scheme. Schnorr makes key aggregation -- constructing a single public key from multiple public keys -- almost as trivial as adding numbers together. "Almost" because it involves some fairly advanced math instead of simple boring number adding, but hey when was the last time you added up your grocery list prices by hand huh?
With current P2SH and P2WSH multisignature schemes, if you have a 2-of-3 setup, then to spend, you need to provide two different signatures from two different public keys. With Taproot, you can create, using special moon math, a single public key that represents your 2-of-3 setup. Then you just put two of your devices together, have them communicate to each other (this can be done airgapped, in theory, by sending QR codes: the software to do this is not even being built yet, but that's because Taproot hasn't activated yet!), and they will make a single signature to authorize any spend from your 2-of-3 address. That's 73 witness bytes -- 18.25 virtual bytes -- of signatures you save!
And if you decide that your current setup with 1-of-1 P2PKH / P2WPKH addresses is just fine as-is: well, that's the whole point of a softfork: backwards-compatibility; you can receive from Taproot users just fine, and once your wallet is updated for Taproot-sending support, you can send to Taproot users just fine as well!
(P2WPKH and P2WSH -- SegWit v0 -- addresses start with bc1q; Taproot -- SegWit v1 --- addresses start with bc1p, in case you wanted to know the difference; in bech32 q is 0, p is 1)
Now how about HODLers who keep all, or some, of their coins on custodial services? Well, any custodial service worth its salt would be doing at least 2-of-3, or probably something even bigger, like 11-of-15. So your custodial service, if it switched to using Taproot internally, could save a lot more (imagine an 11-of-15 getting reduced from 11 signatures to just 1!), which --- we can only hope! --- should translate to lower fees and better customer service from your custodial service!
So I think we can say, very accurately, that the Bitcoin principle --- that YOU are in control of your money --- can only be helped by Taproot (if you are doing multisignature), and, because P2PKH and P2WPKH remain validly-usable addresses in a Taproot future, will not be harmed by Taproot. Its benefit to this principle might be small (it mostly only benefits multisignature users) but since it has no drawbacks with this (i.e. singlesig users can continue to use P2WPKH and P2PKH still) this is still a nice, tidy win!
(even singlesig users get a minor benefit, in that multisig users will now reduce their blockchain space footprint, so that fees can be kept low for everybody; so for example even if you have your single set of private keys engraved on titanium plates sealed in an airtight box stored in a safe buried in a desert protected by angry nomads riding giant sandworms because you're the frickin' Kwisatz Haderach, you still gain some benefit from Taproot)
And here's the important part: if P2PKH/P2WPKH is working perfectly fine with you and you decide to never use Taproot yourself, Taproot will not affect you detrimentally. First do no harm!

Taproot and Your Contracts

No one is an island, no one lives alone. Give and you shall receive. You know: by trading with other people, you can gain expertise in some obscure little necessity of the world (and greatly increase your productivity in that little field), and then trade the products of your expertise for necessities other people have created, all of you thereby gaining gains from trade.
So, contracts, which are basically enforceable agreements that facilitate trading with people who you do not personally know and therefore might not trust.
Let's start with a simple example. You want to buy some gewgaws from somebody. But you don't know them personally. The seller wants the money, you want their gewgaws, but because of the lack of trust (you don't know them!! what if they're scammers??) neither of you can benefit from gains from trade.
However, suppose both of you know of some entity that both of you trust. That entity can act as a trusted escrow. The entity provides you security: this enables the trade, allowing both of you to get gains from trade.
In Bitcoin-land, this can be implemented as a 2-of-3 multisignature. The three signatories in the multisgnature would be you, the gewgaw seller, and the escrow. You put the payment for the gewgaws into this 2-of-3 multisignature address.
Now, suppose it turns out neither of you are scammers (whaaaat!). You receive the gewgaws just fine and you're willing to pay up for them. Then you and the gewgaw seller just sign a transaction --- you and the gewgaw seller are 2, sufficient to trigger the 2-of-3 --- that spends from the 2-of-3 address to a singlesig the gewgaw seller wants (or whatever address the gewgaw seller wants).
But suppose some problem arises. The seller gave you gawgews instead of gewgaws. Or you decided to keep the gewgaws but not sign the transaction to release the funds to the seller. In either case, the escrow is notified, and if it can sign with you to refund the funds back to you (if the seller was a scammer) or it can sign with the seller to forward the funds to the seller (if you were a scammer).
Taproot helps with this: like mentioned above, it allows multisignature setups to produce only one signature, reducing blockchain space usage, and thus making contracts --- which require multiple people, by definition, you don't make contracts with yourself --- is made cheaper (which we hope enables more of these setups to happen for more gains from trade for everyone, also, moon and lambos).
(technology-wise, it's easier to make an n-of-n than a k-of-n, making a k-of-n would require a complex setup involving a long ritual with many communication rounds between the n participants, but an n-of-n can be done trivially with some moon math. You can, however, make what is effectively a 2-of-3 by using a three-branch SCRIPT: either 2-of-2 of you and seller, OR 2-of-2 of you and escrow, OR 2-of-2 of escrow and seller. Fortunately, Taproot adds a facility to embed a SCRIPT inside a public key, so you can have a 2-of-2 Taprooted address (between you and seller) with a SCRIPT branch that can instead be spent with 2-of-2 (you + escrow) OR 2-of-2 (seller + escrow), which implements the three-branched SCRIPT above. If neither of you are scammers (hopefully the common case) then you both sign using your keys and never have to contact the escrow, since you are just using the escrow public key without coordinating with them (because n-of-n is trivial but k-of-n requires setup with communication rounds), so in the "best case" where both of you are honest traders, you also get a privacy boost, in that the escrow never learns you have been trading on gewgaws, I mean ewww, gawgews are much better than gewgaws and therefore I now judge you for being a gewgaw enthusiast, you filthy gewgawer).

Taproot and Your Contracts, Part 2: Cryptographic Boogaloo

Now suppose you want to buy some data instead of things. For example, maybe you have some closed-source software in trial mode installed, and want to pay the developer for the full version. You want to pay for an activation code.
This can be done, today, by using an HTLC. The developer tells you the hash of the activation code. You pay to an HTLC, paying out to the developer if it reveals the preimage (the activation code), or refunding the money back to you after a pre-agreed timeout. If the developer claims the funds, it has to reveal the preimage, which is the activation code, and you can now activate your software. If the developer does not claim the funds by the timeout, you get refunded.
And you can do that, with HTLCs, today.
Of course, HTLCs do have problems:
Fortunately, with Schnorr (which is enabled by Taproot), we can now use the Scriptless Script constuction by Andrew Poelstra. This Scriptless Script allows a new construction, the PTLC or Pointlocked Timelocked Contract. Instead of hashes and preimages, just replace "hash" with "point" and "preimage" with "scalar".
Or as you might know them: "point" is really "public key" and "scalar" is really a "private key". What a PTLC does is that, given a particular public key, the pointlocked branch can be spent only if the spender reveals the private key of the given public key to you.
Another nice thing with PTLCs is that they are deniable. What appears onchain is just a single 2-of-2 signature between you and the developemanufacturer. It's like a magic trick. This signature has no special watermarks, it's a perfectly normal signature (the pledge). However, from this signature, plus some datta given to you by the developemanufacturer (known as the adaptor signature) you can derive the private key of a particular public key you both agree on (the turn). Anyone scraping the blockchain will just see signatures that look just like every other signature, and as long as nobody manages to hack you and get a copy of the adaptor signature or the private key, they cannot get the private key behind the public key (point) that the pointlocked branch needs (the prestige).
(Just to be clear, the public key you are getting the private key from, is distinct from the public key that the developemanufacturer will use for its funds. The activation key is different from the developer's onchain Bitcoin key, and it is the activation key whose private key you will be learning, not the developer's/manufacturer's onchain Bitcoin key).
So:
Taproot lets PTLCs exist onchain because they enable Schnorr, which is a requirement of PTLCs / Scriptless Script.
(technology-wise, take note that Scriptless Script works only for the "pointlocked" branch of the contract; you need normal Script, or a pre-signed nLockTimed transaction, for the "timelocked" branch. Since Taproot can embed a script, you can have the Taproot pubkey be a 2-of-2 to implement the Scriptless Script "pointlocked" branch, then have a hidden script that lets you recover the funds with an OP_CHECKLOCKTIMEVERIFY after the timeout if the seller does not claim the funds.)

Quantum Quibbles!

Now if you were really paying attention, you might have noticed this parenthetical:
(technical details: a Taproot output is 1 version byte + 32 byte public key, while a P2WPKH (bech32 singlesig) output is 1 version byte + 20 byte public key hash...)
So wait, Taproot uses raw 32-byte public keys, and not public key hashes? Isn't that more quantum-vulnerable??
Well, in theory yes. In practice, they probably are not.
It's not that hashes can be broken by quantum computes --- they're still not. Instead, you have to look at how you spend from a P2WPKH/P2PKH pay-to-public-key-hash.
When you spend from a P2PKH / P2WPKH, you have to reveal the public key. Then Bitcoin hashes it and checks if this matches with the public-key-hash, and only then actually validates the signature for that public key.
So an unconfirmed transaction, floating in the mempools of nodes globally, will show, in plain sight for everyone to see, your public key.
(public keys should be public, that's why they're called public keys, LOL)
And if quantum computers are fast enough to be of concern, then they are probably fast enough that, in the several minutes to several hours from broadcast to confirmation, they have already cracked the public key that is openly broadcast with your transaction. The owner of the quantum computer can now replace your unconfirmed transaction with one that pays the funds to itself. Even if you did not opt-in RBF, miners are still incentivized to support RBF on RBF-disabled transactions.
So the extra hash is not as significant a protection against quantum computers as you might think. Instead, the extra hash-and-compare needed is just extra validation effort.
Further, if you have ever, in the past, spent from the address, then there exists already a transaction indelibly stored on the blockchain, openly displaying the public key from which quantum computers can derive the private key. So those are still vulnerable to quantum computers.
For the most part, the cryptographers behind Taproot (and Bitcoin Core) are of the opinion that quantum computers capable of cracking Bitcoin pubkeys are unlikely to appear within a decade or two.
So:
For now, the homomorphic and linear properties of elliptic curve cryptography provide a lot of benefits --- particularly the linearity property is what enables Scriptless Script and simple multisignature (i.e. multisignatures that are just 1 signature onchain). So it might be a good idea to take advantage of them now while we are still fairly safe against quantum computers. It seems likely that quantum-safe signature schemes are nonlinear (thus losing these advantages).

Summary

I Wanna Be The Taprooter!

So, do you want to help activate Taproot? Here's what you, mister sovereign Bitcoin HODLer, can do!

But I Hate Taproot!!

That's fine!

Discussions About Taproot Activation

submitted by almkglor to Bitcoin [link] [comments]

[OWL WATCH] Waiting for "IOTA TIME" 14;

Disclaimer: This is my editing, so there could be some errors, misunderstandings or exaggerations.
Waiting for "IOTA TIME " (an era where IOTA defines nearly everything in terms of the block-chain world)

niels12어제 오후 4:51
IOTA funds are public: https://thetangle.org/address/IDNAFP9FWWKYGNDMKGJWZD9GATGRPTJYTYHLKFNDEQSISPSETLZQOSPGOHC99LMPXDEHSH9XYHNVOLUBBQPCEGHYK9 But they have probably other sources of income, like funding by government etc. And maybe also other IOTA funds on other addresses. I don't know.
Balance: 59.68 Ti


David Sønstebø어제 오후 9:41
I wonder how many times an out of context 2 year old private DM has to be addressed. At the time IOTA was approaching stagnation due to the actions of primarily CFB**, thus since we both started Jinn together which lead to IOTA,** I tried repeatedly to talk sense into him. I.E. "If you are going to torpedo all progress, let's just sell it all and start from scratch, fuck it" It's a figure of speech, while trying to talk sense into someone who insists that 1 + 1 = 3.59 My tax records show when I last sold iotas. February of 2018. Now stop reading into private DMs, especially ones taken out of context and especially those leaked by someone who's proclaimed he is going to ruin IOTA and my life. You need to go back to school if you think there is anything to 'speculate' on there.


dom어제 오후 4:15
u/unsy we will release the condensed version of them once we want to. Just because you so desperately desire them for whatever reason doesn't make us do it faster. Being in this space for so fucking long, last thing I want is to attempt to act in good faith again and then be screwed over by those trying to misconstrue reality and spread lies. We've been at that for too long. Once they are fully ready, and we have them in a format we like, we will publish them.


dom어제 오후 4:16
Our objective of the finance / legal department is to become one of the most trustworthy / transparent organizations in this space. Which is why we're setting up new and stricter policies in general


dom어제 오후 4:18
quite frankly, with everything that has happened up until now, I would certainly say that we are one of the most transparent organization (if we wanted it or not) u/unsy


dom어제 오후 4:21
u/unsy I am not worried about it. If we have problems, we always solve them - I think we've proven that by now. And as it stands right now with our current funding + our strategy, we are in good hands


David Sønstebø오늘 오전 6:41
Don't worry, a shitty FUD piece in a cryptoblog is nada
[오전 6:41]
We were once numero uno target by Jeffrey Epstein funded Joi Ito's MIT DCI
[오전 6:41]
This is nothing


------------------------------------------------------------------------------------

Antonio Nardella [IF]어제 오후 11:13
IMO the community has matured a lot, we have community and certified developers working with the IF in the X-Teams, there are new people coming in with direct interest in the tech (yeah, also spec is still popular) and from the chats that I've had, there are devs waiting for the breaking changes of Chrysalis P2, before starting to develop again.. But that's my assessment..


Jelle Millenaar [IF]어제 오후 9:15
Well, I can say the DID developments are going smooth. Starting publishing the first DIDs to the Tangle ;D


Jelle Millenaar [IF]어제 오후 9:15
And since I am totally not biased towards Identity, but its gonna be revolutionary ;D


Jelle Millenaar [IF]어제 오후 10:06
This is the perfect time to loose faith in the IOTA Foundations capability to deliver, especially after the network just received a major update with many improvements. Its just crypto being crypto,


dom오늘 오전 2:12
Yeh we'll go through it. This is the usual game...


Dominik Schiener
There is more tech maturity, more adoption and more progress than ever. We are one of the only projects which gets funding from government grants and corporations. Stop the attention grabbing headlines and get your sources right.


Long field
You can track their iota address, and I can tell they didn't sell any iota tokens in last two months


HusQy
IOTA is like a large decentralized network cable that connects any number of nodes with each other and that enables data and values ​​to be exchanged with one another, whereby the data is protected against manipulation and the value transactions against double spends. Thereon ...

... you can run any decentralized application (we call this layer) - e.g. a blockchain that stores certain data for as long as you want and limits the amount of data to be saved via fees like Bitcoin. Each of these uses inherit ...

... your security from the basic protocol and can specifically only save the data that is relevant for you (also decentralized). To say that IOTA is not a DLT is in principle not that wrong - it is a platform for DLTs and therefore much more powerful than all ...

... existing DLTs because it is much more flexible. For example, you can run Hashgraph in IOTA, or Bitcoin or whatever. And IOTA is the token that connects the entire ecosystem. This is of course "not yet" the case, but Chrysalis Part 2 is the first step.​


HusQy
@blocktrainerperhaps this explanation will enable you to understand where the journey is going. If a decentralized data storage is required, then you can build it with IOTA and it then has exactly the same properties in terms of permanent storage as Bitcoin.


Block trainer
We can also get a little more technical. The way you describe it, it sounds like an interoperability layer ... something like that here, which then equates to a polkadot etc.
📷

HusQy
In principle yes, only that it doesn't connect Bitcoin and ETH but "IOTA Smart Contracts" with "IOTA Storage" etc. It is not there to connect other projects but to offer the same as other projects, only faster and cheaper.

-------------------------------------------------------------------------------

Bitcoin Coach
And in 5 years there will be a completely new project, which then claims to be better than IOTA. And then should all the infrastructure be thrown overboard and the partners simply change the DLT?


HusQy
This is how technology works. It makes no sense to run the Internet on the basis of 64k modems just because many people have one at home. The change does not take place overnight but creeping and if you look at the BTC Dominance you can see that too.

Ultimately, everything will switch to the best technology and we'll see which that is :)


Block trainer
The "best" must also be defined. What are the classes to master?


HusQy
All classes. If there is a technology that can represent even one aspect better, then it is not yet good enough. Blockchain, for example, is a "degenerate" DAG with only one reference. The goal is that IOTA can also use blockchains if the use case requires it.


HusQy
The future is not "either DAG or blockchain" but both seamlessly linked within the same ecosystem. IOTA smart contracts use a blockchain, for example, but a separate chain for each smart contract and the blockchain is within the tangle.

Block trainer
According to the new definition, they are no longer saved ... A doublespent could change the reference retrospectively.


HusQy
That's not quite true. The tangle itself contains all information for all eternity and you cannot remove any information. Once the data has reached a certain age, it is no longer stored by every node in the network. But you can still ...

... still prove what happened in the part of the tangle that was "forgotten" by the nodes after a certain time. Now there are two ways to keep this evidence: 1. You save the evidence personally and can present it at any time. 2. Man ...​​

... writes a plug-in for the node, which monitors the Tangle for information of a certain type and keeps a copy of all car purchase-related data forever (or for at least 30 years, for example). All dealerships could then install this plugin and ...

... jointly store this data decentrally in order to query the information if necessary. However, you would only selectively save the data that interests you. The evidence they produce can still be verified by any node on the network.​​

If the server of a car dealership fails, it can download the data again from one of the other dealerships. Quasi like an application-related private blockchain which is secured by the Tangle. It is also conceivable that there are service providers for this ...

----------------------------------------------------------------------------------


HusQy
Data is only kept immutable. How do you intend to execute a token transaction over pure data? I'm simply sending the following two data transactions at the same time: 1. I'm sending $ 100 from address A to address B. 2. I'm sending $ 100 from address A to address C.


HusQy
In order to determine which transaction is successful / came first, you need consensus. Data transactions do not allow token transfer.


Block trainer
Why doesn't that allow token transfer? I can simply use it to sign my values. The question is about the meaning of the token. I can also sign that I have transferred € 10 for the petrol station. Or I transmit the proof via curled BTC ...


HusQy
Did I just describe you can publish two conflicting data transactions and no one knows which is the correct one: P


Block trainer
Unless you agree on a consensus. Time stamp + BTC (locked) in hash = value transmitted ... What else is the IOTA token for?


HusQy
Whether information is correct can only be seen in the context. Take a look at the difference between "data" and "information". For example, you can claim that you locked Bitcoin even though it didn't.


Block trainer
I may need a proof of this. See how, for example, BTC is unlocked in liquid or in the LN. The IOTA data layer is extremely similar to the principle of Lightning. Accordingly, the sending of tokens would be possible here, which means that I see the use case of the IOTA coin at risk


HusQy
Such a proof is impossible. The reason why this works with LN nodes is because LN nodes are Bitcoin nodes that know what is happening in the Bitcoin network and have "information" and not just "data": P What you are describing is technically impossible.


Block trainer
Data = information What can the LN not, what IOTA can sometimes?


HusQy
That's not rubbish. There is a huge difference between data and information, and inter-chain transactions are not possible because of that very difference. LN won't work - there are too many game theory problems: P​

--------------------------------------------------------------------------------------------

Dominik Schiener
There is more tech maturity, more adoption and more progress than ever. We are one of the only projects which gets funding from government grants and corporations. Stop the attention grabbing headlines and get your sources right.


Dominik Schiener
As an innovation leader in Europe, I certainly say we deserve to get grants. There is a below 7% success chance usually. And yes, everything is fully audited (by externals ofc), showing clearly how and that the money was used in achieving the milestones of the grant.

----------------------------------------------------------------------------------------------------------------------------------
submitted by btlkhs to Iota [link] [comments]

Not sure why this wasn't posted before: Olaf Carlson on Eth's crazy gas situation. DeFi choked every Dapp sector out, but Polkadot welcomes them.

For any new guys, Olaf Carlson runs the biggest crypto VC fund, Polychain Capital. He is bullish on Polkadot.
https://www.youtube.com/watch?v=92Bx7otttNY&t=2975s
Text:
Interviewer - "Let's talk about the fee issue on Ethereum. At the moment a simple trade on Uniswap can cost something like $40 and more complex transactions for yield farming are even more expensive. Do you think Ethereum will scale in time to retain all its market share in DeFi considering that the explosion is already here and already pushing Ethereum's limits?"
Olaf - "In short, I don't think it will be able to scale fast enough. Whether that just slows down the market or whether aspects of the market go to other chains its too early to say. DeFi is very exciting for Ethereum but in a weird way is actually really really bullish in my mind for systems like Polkadot or Dfinity that are from an engineering perspective just candidly far ahead of Ethereum. They don't have the network effects, users, wallet installs, or anything that Ethereum has, but Polkadot is live and working and scalable right now, today. And so I do think we'll see a lot of DeFi migrate from Ethereum to Polkadot in maybe the short term. Long term I'm hopeful that Ethereum can scale and upgrade and change. But that all said, what's much more exciting to me about these new systems launching that have either better scalability features or like Web Assembly or WASM based virtual machine compatibility so you can write programs in many different programming languages all of these sorts of features are exciting not just to narrowly compete in DeFi. It's exciting to me because it will enable new types of applications that simply aren't possible on Ethereum today. Much in the way that Ethereum enabled all sorts of applications that weren't possible on bitcoin. Today we know that what's exciting about Ethereum is not that it narrowly competes with bitcoin's value proposition but rather expanded the scope of what was possible for the entire crypto universe. And we got things like stablecoins, things like lending contracts, ICOs, DeFi. And I think that systems like Polkadot are going to once again expand the universe of what is possible. Its not a zero sum game where its narrowly like which chain is gonna win DeFi. I think that's a very myopic view and it shows a lack of imagination about how many different types of applications these smart contract type structures will affect. So I'm very optimistic about scalability across the entire ecosystem but I'm less confident about the short term timeline of Ethereum. I just think that DeFi is moving way faster - like by over ten times at least - maybe closer to 50 or 100 times faster than Ethereum core protocol development. And I see no reason for that to change. I don't think Ethereum core protocol development has ever been fast and I don't see any reason to think that it will get faster. And DeFi has always been fast and I don't see any reason that it will get slower. So you add that combination of factors and yeah I do think that you will see applications migrating to more scalable chains. [...] I'm having conversations now with teams that have yet to launch on Ethereum that are saying should we launch on Ethereum or should we launch on another chain? Because the fee situation is completely - its really bad - like I don't think... it's not like this is a bump in the road. It is existential for the entire landscape of applications we're talking about. Right now you have to be transacting at least a thousand dollars per transaction for any of this to make sense from a fee perspective. And I would say that's the absolute baseline [...] more realistically you have to be using five or ten thousand dollars to really accept the kind of fees we're talking about. And a lot of people are using five or ten thousand dollars but obviously that's pricing a huge number of people out of this market."
Some examples:
Due to insane gas prices, Trial of the Gods card minting and trading will be deferred until the release of Immutable X
I tried to buy 2 cards, worth $0.24 each. After gas, my transaction is $6.80!
Hi, new player using Metamask to buy a couple dollars worth of cards on the marketplace, but everytime the gas price is something of >$15.
$25 fee to buy a $2 card
$50 transaction fee to roll the dice
Minimum bet is now 3 ether to reduce gas cost as a %
Overall, all the fees came up to about $140. Fees for Coinbase was about $2 and the fee to create the bet was like $130
Some dapps like God's Unchained and Augur are looking into L2 solutions, but those come with massive risks from a company perspective. See the Lightning Network's astounding lack of adoption as the primary example. Other dapps are just calling it quits:
Incorrect Assumption #2: Scalability wouldn’t be a problem This was an explicit assumption in our presentations: usability was more important than scalability, and given that there were so many deployed L2 solutions on the market (like xDai), as soon as scalability became a problem we would all move there. This turned out a deadly assumption: as soon as we had our email sign-in solution ready, gas fees on Ethereum made the whole process unworkable.
Reading between the lines: Even if L2 solutions were perfect today, most (non DeFi) dapps are still dead if they stay on Ethereum. Users need to pay upwards of $20 to enter and exit that L2, and I'm not sure if that's changing anytime soon. Gas fees are just not viable for the vast majority of dapps until Eth 2.0, and the part of Eth 2.0 that brings scalability is not happening until 2023~
submitted by redditsucks_goruqqus to polkadot_market [link] [comments]

Lightning Network

Does anyone understand the lightning network well enough to explain it?
submitted by Veryuniquenames to Bitcoin [link] [comments]

Why Bitcoin Has a Volatile Value?

Price fluctuations in the bitcoin spot rate on cryptocurrency exchanges are driven by many factors. Volatility is measured in traditional markets by the Volatility Index, also known as the CBOE Volatility Index (VIX). More recently, a volatility index for bitcoin has also become available. Known as the Bitcoin Volatility Index, it aims to track the volatility of the world's leading digital currency by market cap over various periods of time.
Bitcoin's value has been historically quite volatile. In a three-month span from October of 2017 to January of 2018, for instance, the volatility of the price of bitcoin reached to nearly 8%. This is more than twice the volatility of bitcoin in the 30-day period ending January 15, 2020. But why is bitcoin so volatile? Here are just a few of the many factors behind bitcoin's volatility.

Bad News Hurts Adoption Rate

News events that scare bitcoin users include geopolitical events and statements by governments that bitcoin is likely to be regulated. Bitcoin's early adopters included several bad actors, producing headline news stories that produced fear in investors.
Headline-making bitcoin news over the decade or so of the cryptocurrency's existence includes the bankruptcy of Mt. Gox in early 2014 and, more recently, that of the South Korean exchange Yapian Youbit. Other news stories which shocked investors include the high-profile use of bitcoin in drug transactions via Silk Road that ended with the FBI shutdown of the marketplace in October 2013.
All these incidents and the public panic that ensued drove the value of bitcoins versus fiat currencies down rapidly. However, bitcoin-friendly investors viewed those events as evidence that the market was maturing, driving the value of bitcoins versus the dollar markedly back up in the short period immediately following the news events.

Bitcoin's Perceived Value Sways

One reason why bitcoin may fluctuate against fiat currencies is the perceived store of value versus the fiat currency. Bitcoin has properties that make it similar to gold. It is governed by a design decision by the developers of the core technology to limit its production to a fixed quantity of 21 million BTC.
Since that differs markedly from fiat currency, which is dynamically managed by governments who want to maintain low inflation, high employment, and satisfactory growth through investment in capital resources, as economies built with fiat currencies show signs of strength or weakness, investors may allocate more or less of their assets into bitcoin.

Uncertainty of Future Bitcoin's Value

Bitcoin volatility is also driven in large part by varying perceptions of the intrinsic value of the cryptocurrency as a store of value and method of value transfer. A store of value is the function by which an asset can be useful in the future with some predictability. A store of value can be saved and exchanged for some good or service in the future.
A method of value transfer is any object or concept used to transmit property in the form of assets from one party to another. Bitcoin’s volatility at the present makes it a somewhat unclear store of value, but it promises nearly frictionless value transfer. As a result, we see that bitcoin's value can swing based on news events much as we observe with fiat currencies.

Large Currency Holder Risks

Bitcoin volatility is also to an extent driven by holders of large proportions of the total outstanding float of the currency. For bitcoin investors with current holdings above around $10M, it is not clear how they would liquidate a position that large into a fiat position without severely moving the market. Indeed, it may not be clear how they would liquidate a position of that size in a short period of time at all, as most cryptocurrency exchanges impose 24-hour withdrawal limits far below that threshold.
Bitcoin has not reached the mass market adoption rates that would be necessary to provide option value to large holders of the currency.

Security Breaches Cause Volatility

Bitcoin can also become volatile when the bitcoin community exposes security vulnerabilities in an effort to produce massive open source responses in the form of security fixes. This approach to security is paradoxically one that produces great outcomes, with many valuable open source software initiatives to its credit, including Linux. Bitcoin developers must reveal security concerns to the public in order to produce robust solutions.
It was a hack that drove the Yapian Youbit to bankruptcy, while many other cryptocurrencies have also made headlines for being hacked or having stashes of cryptocurrencies stolen. As an early example, in April 2014, the OpenSSL vulnerabilities attacked by the Heartbleed bug and reported by Google security's, Neel Mehta, drove Bitcoin prices down by 10% in a month.
Bitcoin and open source software development are built upon the same fundamental premise that a copy of the source code is available to users to examine. This concept makes it the responsibility of the community to voice concerns about the software design, just as it is the responsibility of the community to come to consensus about modifications to that underlying source code as well. Because of the open conversation and debate regarding the Bitcoin network, security breaches tend to be highly publicized.

High-Profile Losses Raise Fear

It is worth noting that the aforementioned thefts and the ensuing news about the losses had a double effect on volatility. They reduced the overall float of bitcoin, producing a potential lift on the value of the remaining bitcoin due to increased scarcity. However, overriding this lift was the negative effect of the news cycle that followed.
Notably, other bitcoin gateways looked to the massive failure at Mt. Gox as a positive for the long term prospects of bitcoin, further complicating the already complex story behind the currency’s volatility. As early adopting firms were eliminated from the market due to poor management and dysfunctional processes, later entrants learn from their errors and build stronger processes into their own operations, strengthening the infrastructure of the cryptocurrency overall.

High-Inflation Nations and Bitcoins

Bitcoin’s use case as a currency for developing countries that are currently experiencing high inflation is valuable when considering the volatility of bitcoin in these economies versus the volatility of bitcoin in USD. Bitcoin is much more volatile versus USD than the high-inflation Argentine peso versus the USD.
That being said, the near frictionless transfer of bitcoins across borders makes it a potentially highly attractive borrowing instrument for Argentineans, as the high inflation rate for peso-denominated loans potentially justifies taking on some intermediate currency volatility risk in a bitcoin-denominated loan funded outside Argentina.
Similarly, funders outside Argentina can earn a higher return under this scheme than they can by using other debt instruments, denominated in their home currency, potentially offsetting some of the risks of exposure to the high inflation Argentine market.

Tax Treatment Lifts Volatility

According to the Internal Revenue Service (IRS), bitcoin is actually considered an asset for tax purposes. This has had a mixed impact on bitcoin's volatility. On the upside, any statement recognizing the currency has a positive effect on the market valuation of the currency.
Conversely, the decision by the IRS to call it property had at least two negative effects. The first was the added complexity for users who want to use it as a form of payment. Under the new tax law, users would have to record the market value of the currency at the time of every transaction, no matter how small. This need for record keeping can understandably slow adoption as it seems to be too much trouble for what it is worth for many users.
Secondly, the decision to call the currency a form of property for tax purposes may be a signal to some market participants that the IRS is preparing to enforce stronger regulations later. Very strong regulation of the currency could cause the adoption rate of the currency to slow to the point where it is not able to achieve the mass adoption that is critical for its overall utility in society. Recent moves by the IRS are not clear as to their signaling motives and therefore have mixed signals to the market for bitcoin.
submitted by FormerSuggestion8 to Bitcoin [link] [comments]

Can Blockchain Gaming Drive Cryptocurrency Adoption?

Can Blockchain Gaming Drive Cryptocurrency Adoption?
The gaming industry, with its approximately 2.5 billion gamers worldwide, is a lucrative target and an immense field of application for blockchain itself, Bitcoin and other cryptocurrencies that could no doubt give a mighty push toward taking and making the technology mainstream. Honestly, this is not quite a news as the efforts to establish cryptocurrencies in the entertainment sector have gone a long way, with varying degrees of success.
by StealthEX
What they were, how it fared, and where things are going now – these questions deserve their own inquiry. So let’s take a look at how gaming facilitates cryptocurrency adoption, in what ways, and whether exposing the blockchain tech to a user base of a third of the world’s population would help oil the wheels of this sportster in a major way and ultimately cause a tectonic shift in the gaming industry itself.

A Little Bit of History

As Bitcoin kicked off in late 2008, with its first transaction hitting, or effectively starting, the blockchain in early January of 2009, it had taken well over two years till the cryptocurrency got involved in online gambling. It was the now-defunct mobile poker platform, Switchpoker, a developer of an online poker room that started to accept Bitcoin as a deposit and payment option. You can still find a topic on Bitcointalk.org about this news dated back to November 23, 2011.
In April 2012, Erik Voorhees, an American entrepreneur and early Bitcoin adopter, founded Satoshi Dice, arguably the oldest online cryptocasino on the block, which is still pretty much alive today, although Voorhees sold it in a year. What makes it truly intriguing is the fact that during its early years the casino was generating half of all the transactions on the Bitcoin network. In short, online gambling was critically important in Bitcoin’s infancy years as it helped promote cryptocurrency awareness that led to future growth and expansion into other areas.
Some folks are certainly going to argue that gambling is not the same thing as gaming. The commonly accepted view is that gaming is based on skill while gambling on chance. We won’t debate over this point. However, as every poker player knows, the outcome of a poker game depends not only on luck, but also on skill and expertise. Put simply, there are large gray areas and overlaps. All things considered, our exposition would be missing a big chunk of significant history without giving due credit to gambling and how it helped Bitcoin adoption.
Now that online gambling is off our chest, we can safely turn to gaming as it is understood in the industry, and look at how it helped the blockchain space. One of the first uses of Bitcoin in a major game that we are aware of started in 2014 with the launch of BitQuest, a Minecraft server that used Bitcoin for in-game transactions. Within the gaming environment you could buy valuable in-game stuff from other users with the so-called bits, small fractions of a Bitcoin, and earn them by completing in-game tasks or challenges like killing local monsters.
BitQuest closed the server in summer of 2019, and its brand name now belongs to a different entity not involved with gaming, but it still produced an impact. In essence, this effort successfully demonstrated how a cryptocurrency, in this case Bitcoin, can be used in lieu of a native in-game currency that players can earn, buy and spend as well as withdraw. This has serious implications for two main reasons. First, Bitcoin, unlike any other purely in-game currency, has uses outside the game and its ecosystem, and, second, its supply cannot be manipulated by the game developers, which makes the game by far more fair and square.
Needless to say, the example that BitQuest had set encouraged other market participants to look into Bitcoin as an alternative option for in-game currencies. Another popular Minecraft server, PlayMC, also introduced Bitcoin into its world in 2015, but ceased the operation just two years later. There were a few other servers experimenting with altcoins, more specifically, Dogecoin, but most of them disappeared from the scene shortly thereafter, failing to attract enough die-hard Minecraft fans.

What Has Changed?

With the arrival of smart contract-enabled blockchains such as Ethereum, EOS and TRON, the phrase “blockchain gaming” has taken on a more literal meaning as these blockchains allow games to be designed and played entirely on-chain in much the same manner trades are made on a decentralized exchange. While TRON stands for “The Real-time Operating system Nucleus”, there is an obvious reference to a once popular arcade game based on a titular 1982 science fiction film that ultimately garnered a cult following.
CryptoKitties is likely the most popular game ever released in the Ethereum ecosystem and probably in the whole crypto space so far. Its test version was made available on October 19, 2017, and it was an instant success. By the end of 2017 over 200,000 people signed up for the game, spending over $20 million in Ether. We won’t delve into its “gameplay” as it is beyond the scope of this article, and most certainly you are well familiar with it anyway. But what we absolutely should write about is the effect it made and the repercussions it produced.
It could be said that CryptoKitties was to the Ethereum blockchain what Satoshi Dice had been to Bitcoin in the early days of crypto. At the peak of its popularity the game reportedly accounted for 20-25% of all Ethereum’s traffic that clogged the entire Ethereum network, with transaction fees skyrocketing. No wonder lots of people got pissed off with this turn of events. However, despite all the rage and fury, CryptoKitties amply demonstrated what a success means in the blockchain gaming field, how it looks and feels in practice.
It is hard to estimate how much CryptoKitties contributed to cryptocurrency adoption. But given that a few hundred thousand people got involved in this game alone and many more with dozens of blockchain games that it has spawned, like Etherbots, Gods Unchained, The Six Dragons, etc, this indisputable triumph surely counts as a massive contribution by any definition or metric. Moreover, it also revealed the weaknesses of the contemporary blockchain solutions and what exactly should be done to overcome them.
Evolution never goes linearly. In fact, it generally doesn’t go in curves, circles, or zig zags, either. It always moves along very diverse routes, directions and entire dimensions like plants and animals, viruses and bacteria, and, well, dinosaurs and mammals. The evolution of gaming in crypto space is no different. СryptoKitties and other games share essentially the same tech under the hood – building games on some advanced general-purpose blockchain such as Ethereum. But it is not the only front that crypto gaming has been advancing on, nor is it the only way to introduce gaming to cryptocurrencies, and vice versa.
A more recent approach is based on designing either a standalone cryptocurrency or a token on a smart contract-enabled blockchain to be used across many games that support it as an in-game currency. As a result, gamers can enjoy true ownership of their in-game assets (the so-called non-fungible tokens, or NFTs), safe item trading outside the game, and cross-game compatibility. This path has been taken by such projects as Enjin (ENJ), GAME Credits (GAME), Decentraland (MANA), WAX (WAXP) and others, with their respective cryptocurrencies fueling a range of games.
A somewhat different avenue is taken by Funfair (FUN), Chromia (CHR) and Lucid Sight, which are offering platforms that blockchain games can be built on. Thus, Lucid Sight’s Scarcity Engine is focused more on game creators than end users, that is to say, gamers, allowing developers to integrate blockchain into their games. It aims to obliterate the difference between blockchain-based games and traditional gaming platforms. Funfair, on the other hand, leans more toward creating custom-built blockchain casinos, with its FUN token as a casino “chip”. So much for no more gambling, huh.
Our account of events would be incomplete if we didn’t mention yet another attempt to make use of Minecraft for the purpose of introducing cryptocurrencies to the gaming public. This time, a new Minecraft mod called SatoshiQuest has emerged. To participate in it, the gamers pay $1 in Bitcoin and get one in-game life. The pooled coins make up the loot, and the challenge is to find a minimum of 400 key fragments into which the keys to the Bitcoin wallet containing the prize are divided. And who said that evolution doesn’t loop?

Challenges and Future Prospects

The knockout popularity of СryptoKitties has clearly shown the scale of cryptocurrency mass adoption that blockchain gaming can trigger. As the game developers themselves put it, their “goal is to drive mainstream adoption of blockchain technology”. They believe that “the technology has immense benefits for consumers, but for those benefits to be realized, it needs to be experienced to be understood”. Speaking more broadly, as more people start using cryptocurrencies for gaming, they may eventually become interested in using their coins for purposes other than playing one game or another.
With that said, it is now as clear that there are two main barriers on the way there. The first is the limitations of the blockchain tech itself that essentially limits blockchain gaming to NFTs, in-game currencies, streamlined payments, and similar stuff. This is mostly a technical challenge anyway, and we could realistically expect it to be solved sooner or later. The other issue is applicable to the gaming industry as a whole. People en masse would only play games that are truly engaging and immersive, technical issues aside.
So the bottom line is that we need the convergence of these two vectors to make blockchain a dominating force in the gaming industry. First, the blockchain tech should have the capacity for running multiplayer games that major video game developers like Blizzard, Valve and Ubisoft produce, no trade-offs here. Then, we actually need the games like Warcraft, Counter-Strike or Far Cry that can be played on blockchain, to make it matter. Only after we get there, the gaming industry will likely become a primary driver behind cryptocurrency adoption.
What are your thoughts on how gaming facilitates cryptocurrency adoption? Tell us your ideas in the comments below.
And remember if you need to exchange your coins StealthEX is here for you. We provide a selection of more than 250 coins and constantly updating the list so that our customers will find a suitable option. Our service does not require registration and allows you to remain anonymous. Why don’t you check it out? Just go to StealthEX and follow these easy steps:
✔ Choose the pair and the amount for your exchange. For example BTC to ETH.
✔ Press the “Start exchange” button.
✔ Provide the recipient address to which the coins will be transferred.
✔ Move your cryptocurrency for the exchange.
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Follow us on Medium, Twitter, Facebook, and Reddit to get StealthEX.io updates and the latest news about the crypto world. For all requests message us via [[email protected]](mailto:[email protected]).
The views and opinions expressed here are solely those of the author. Every investment and trading move involves risk. You should conduct your own research when making a decision.
Original article was posted on https://stealthex.io/blog/2020/09/22/can-blockchain-gaming-drive-cryptocurrency-adoption/
submitted by Stealthex_io to StealthEX [link] [comments]

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submitted by yespicimlu to u/yespicimlu [link] [comments]

Welcome to /r/CashApp. Read this first!

No one representing Cash App will ever ask for your sign-in code over the phone, on social media, or through any other medium. No one representing Cash App will ever ask you to make a payment.
Welcome to the unofficial Cash App subreddit. This subreddit was created as a place to talk about Cash App and to get assistance for simple problems. The mod team of this subreddit do not represent Cash App or Square, Inc. If you require specific help with your account, you must contact the Cash App support team directly via the app (never via a support phone line you found via Google). Do not share your account details with anyone.

How to Get Help

For general advice about Cash App, please post here in /cashapp. Do not include cashtags or any other personal information in your posts.
If you need help regarding your account, contact support via the app itself. Tap your profile picture, then choose Support. Follow the menu. You can also check https://cash.app/help
If you are unable to get help via the app, you can try `@cashsupport` on Twitter. https://twitter.com/cashsupport
Due to increased volume, support wait times are higher than normal.
At the time of writing (August 2020), subreddit members are reporting wait times in the order of days/weeks.
Never call a support phone number you found on the internet. There is only one legitimate number and it has a recorded message telling you to use in-app support. All other numbers are fraudulent.
Never accept help via private messaging on social media, including here in /cashapp. If someone wishes to help you, they can do it in public.

Posting Rules

This subreddit welcomes discussions, news and general (non account-specific) questions about Cash App.
The following content is not permitted and will be removed. Accounts breaching these rules may be temporarily or permanently banned, at moderators’ discretion.

How to Post

  1. Use the search function. Most questions have been answered before.
  2. Check the FAQ below. It might just answer your question.
  3. Use a descriptive and succinct post title.
  4. If someone has helped you, please pay it forward. Stick around to help make this community better. 🙏

FAQ

I received something. Is it a scam?
Did you receive something that looks fishy? Cash App emails only ever come from cash.app or squareup.com domains. No one representing Cash App will never ask you for money or your sign in code for any reason. Cash App will never ask you for pins or passcodes. If you get an email, compare it to other emails you’ve received you know to be from Cash App. If the fonts or logos look different or strange, or there is poor grammar, then it’s certainly a scam. If you are still in doubt, post a screenshot (with cashtags and other personal info removed).
Clearance fees?
Cash App will never ask you for money. Any request to pay a fee is a scam. Whether it is called a clearance fee, verification fee, shipping fee, whatever. They are all scams.
I’ve been scammed/hacked!
Unfortunately there’s not much anybody here can do. You can try contacting Cash App support, however they are not likely to reimburse you for your losses. If the scam involved a payment from your linked debit card, you should also contact your card-issuing bank as they may be able to reverse the charge.
How do I prevent being scammed?
I sent money to the wrong person!
Find the payment in he payment history, tap into the details and request a refund. If this fails, contact support. See How to get help above.
I received money from a stranger.
Find the payment in the payment history, tap into the details and issue a refund. Thanks for being awesome!
The recipient say they didn’t receive my payment and want me to send it again.
This is probably a scam. Contact support. See How to get help above.
Why is there a Cash App charge on my bank statement? I don’t even use Cash App!
It is likely that your debit card number has been stolen & the thief has used it to fund a Cash App account. Contact your card-issuing bank immediately.
I haven’t received the cash card I ordered!
It can take several weeks to arrive. If you have not received it within 3-4 weeks, contact support. See How to get help above.
Is the app down right now?
Check the status page. https://status.cash.app/
Will people I pay be able to see my real name?
Your full name, as recorded in your profile in the app, will be presented to people you pay or request payments from. However, this name does not need to be the same as your real name. Like any company, they may be obliged to share your personal information with authorities.
I can’t scan the back of my driver’s licence.
Don’t try to fill the viewport with the card. Try zooming in or out. Look at the edge of the viewport. Each edge will have a blue line when it is correctly aligned. It will work when you manage to get 4 blue lines to appear at once.
My account is frozen with money inside!
Contact support. If that fails, you will have to wait for them to release the money. The time frame for a release is currently unknown.
Why was my account locked?
While it’s not possible to know for sure, some common reasons may be for challenging cash app transactions with your bank (“chargebacks”), performing fraud (“flipping”) and using bitcoin you purchased for illicit goods & services.
I’m under 18. How can I withdraw my money?
You must be 18 or above to use Cash App. You won’t be able to withdraw your funds by yourself. Your parents can negotiate to have the balance transferred to their own account.
Why haven’t I been verified for Bitcoin yet?
The wait for identity verification may take several weeks.
Where is the bitcoin/investing tab? I only have 3 tabs.
Bitcoin and stock investing is not available for UK accounts.
submitted by satsophone to CashApp [link] [comments]

Blockchain - How To Verify A Bitcoin Transaction And Get ... MASSIVE $633,535,330 BITCOIN TRANSACTION! Guess The FEE?  BTC Outperforms STOCKS! Andrew Chow: Partially Signed Bitcoin Transactions NBitcoin: How to make your first transaction with NBitcoin Bitcoin: How to Create a Raw Transaction - YouTube

Currently, I have online and offline armory set up to use the USB key as has been described here before. I just created a new android app that will peer with the bitcoin network, and allow you to scan a QR code representing ANY signed transaction, and broadcast it to the peers. This makes it so you can do this: Make an unsigned transaction in ... In addition Bitcoin currently has a limit of 7 transactions per second, the blocksize limit. This limit is related to the scalability of the system as a whole, and one option to achieve higher transaction volumes is to keep the blocksize limit as is and use off-chain transactions for lower-value transactions; with higher volumes fees for ... Other bitcoin trading platforms may limit a new user to one method of payment initially ... 11. “I am very intrigued by Bitcoin. It has all the signs. Paradigm shift, hackers love it, yet it’s derided as a toy. ... This requires the transaction to be lodged in two separate blockchains. The Bitcoin blockchain is a distributed network of ledgers containing Bitcoin transaction data. One block is one spreadsheet of about 3,600 transactions. The system of interconnected blocks is called a blockchain. All Bitcoin transaction details come in the form of cryptographically generated 64-character sequences generated by a hash function. Thus many commentators were surprised when it was noticed that there has been a steady increase in Bitcoin [BTC] transactions, despite the bear market. Encouraging Signs. While bitcoin, like every other crypto, has fallen by 80 percent compared to this time last year, the trades are rivaling that of the same time period, in terms of volume ...

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Blockchain - How To Verify A Bitcoin Transaction And Get ...

Andrew Chow, Bitcoin Core Contributor and University of Maryland student, spoke about BIP 174 Partially Signed Bitcoin Transactions. Andrew described the format itself, discussed the motivations ... DISCLAIMER: Trading Bitcoin is VERY risky, and 80% of traders don't make money. Make sure that you understand these risks if you are a beginner. I only recommend crypto trading to already ... Step by step guide on creating a raw transaction with bitcoin core client. createrawtransaction '[{"txid":"", "vout":}]' '{"1anyAddress":0.01,"1changeAddress... The Bitcoin Mempool, Difficulty Adjustment, Hashrate, Block Time, Block Reward, Transaction Fees and much more is explained simply in this video. Bitcoin onchain data: https://studio.glassnode.com ... How to make your first transaction with NBitcoin. Spoiler: I could not broadcast with random node, after further investigation, it seems that the union of French bitcoin noders are in a strike for ...

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