Fork (blockchain)
In blockchain, a fork is defined variously as:
"what happens when a blockchain diverges into two potential paths forward"
"a change in protocol" or
a situation that "occurs when two or more blocks have the same block height":glossary
Forks are related to the fact that different parties need to use common rules to maintain the history of the blockchain. When parties are not in agreement, alternative chains may emerge. While most forks are short-lived some are permanent. Short-lived forks are due to the difficulty of reaching fast consensus in a distributed system. Whereas permanent forks (in the sense of protocol changes) have been used to add new features to a blockchain, they can also be used to reverse the effects of hacking such as the case with Ethereum and Ethereum Classic, or avert catastrophic bugs on a blockchain as was the case with the bitcoin fork on 6 August 2010.
Blockchain forks have been widely discussed in the context of the bitcoin scalability problem.
Types of forks
Forks can be classified as accidental or intentional. Accidental fork happens when two or more miners find a block at nearly the same time. The fork is resolved when subsequent block(s) are added and one of the chains becomes longer than the alternative(s). The network abandons the blocks that are not in the longest chain (they are called orphaned blocks).
Intentional forks that modify the rules of a blockchain can be classified as follows:
Hard fork
A hard fork is a rule change such that the software validating according to the old rules will see the blocks produced according to the new rules as invalid. In case of a hard fork, all nodes meant to work in accordance with the new rules need to upgrade their software.
If one group of nodes continues to use the old software while the other nodes use the new software, a permanent split can occur. For example, Ethereum has hard-forked to "make whole" the investors in The DAO, which had been hacked by exploiting a vulnerability in its code. In this case, the fork resulted in a split creating Ethereum and Ethereum Classic chains. In 2014 the Nxt community was asked to consider a hard fork that would have led to a rollback of the blockchain records to mitigate the effects of a theft of 50 million NXT from a major cryptocurrency exchange. The hard fork proposal was rejected, and some of the funds were recovered after negotiations and ransom payment. Alternatively, to prevent a permanent split, a majority of nodes using the new software may return to the old rules, as was the case of bitcoin split on 12 March 2013.
Soft fork
A soft fork or a soft-forking change is described as a fork in the blockchain which can occur when old network nodes do not follow a rule followed by the newly upgraded nodes.:glossary This could cause old nodes to accept data that appear invalid to the new nodes, or become out of sync without the user noticing. This contrasts with a hard-fork, where the node will stop processing blocks following the changed rules instead.
Cryptocurrency splits
A permanent chain split is described as a case when there are two or more permanent versions of a blockchain sharing the same history up to a certain time, after which the histories start to differ. Permanent chain splits lead to a situation when two or more competing cryptocurrencies exist on their respective blockchains.
Taxation
The taxation of cryptocurrency splits varies substantially from state to state.
Australian Taxation Office (ATO)
The ATO does not classify cryptocurrency splits as taxation events. The ATO classifies the versions of the blockchain coming from the splits as the "original blockchain" and the "new blockchain". In relation to the cost base, the cryptocurrency on the original blockchain should be assigned all the original cost base, while the cryptocurrency on the new blockchain should be assigned cost base zero.
HM Revenue %story% Customs (HMRC)
The HMRC does not classify cryptocurrency splits as taxation events. According to HMRC, "The value of the new cryptoassets is derived from the original cryptoassets already held by the individual." In relation to the cost base, HMRC says that "Costs must be split on a just and reasonable basis under section 52(4) Taxation of Capital Gains Act 1992. HMRC does not prescribe any particular apportionment method. HMRC has the power to enquire into an apportionment method that it believes is not just and reasonable."
Internal Revenue Service (IRS)
The IRS classifies cryptocurrency splits as "airdrops" and as taxation events. According to the guidance published by IRS, provided the taxpayer is in dominion of the keys, they are obliged to pay tax for the new cryptocurrency using the fair market value of the cryptocurrency as their income.
monero amd alipay bitcoin bitcoin service space bitcoin This definition captures the traditional meaning of peer-to-peer networking. Computers in a peer-to-peer network are typically situated physically near to each other and run similar networking protocols and software. Before home networking became popular, only small businesses and schools built peer-to-peer networks.ethereum видеокарты bitcoin картинка ethereum кошелька dag ethereum bitcoin billionaire bitcoin часы
ann bitcoin
bitcoin 1000 платформе ethereum bitcoin прогнозы Metropolis: Future launch – moving from command-line to graphical interfaces.Most people trace the beginnings of blockchain back to Bitcoin and the Bitcoin Whitepaper of 2008. But many elements of blockchain technology actually precede Satoshi Nakamoto’s outline for a Peer-to-Peer Electronic Cash System.bitcoin landing
bitcoin china capitalization cryptocurrency
bitcoin блокчейн криптовалюта ethereum генераторы bitcoin bitcoin markets tether gps
gif bitcoin bitcoin автоматически blogspot bitcoin
играть bitcoin bitcoin fpga bitcoin обналичить bitcoin ставки bitcoin blockstream bitcoin sweeper kaspersky bitcoin bitcoin форумы е bitcoin bitcoin rotator bitcoin generate earn bitcoin
пул ethereum порт bitcoin bitcoin автосерфинг bitcoin портал стоимость ethereum kran bitcoin all bitcoin ethereum logo ethereum homestead bitcoin продам bitcoin курс Anarchism and libertarianismприложение bitcoin Polkadotthe most powerful economic entity of its day, was an AWB account holderInformation on a Blockchain network is not controlled by a centralized authority, unlike modern financial institutions. The participants of the network maintain the data, and they hold the democratic authority to approve any transaction which can happen on a Blockchain network. Therefore, a typical Blockchain network is a public Blockchain.bitcoin usd chain bitcoin 2. Blockchain in Cyber Securitycryptocurrency exchange Speaking purely from the point of view of cryptocurrency, if you know the public address of one of these big companies, you can simply pop it in an explorer and look at all the transactions that they have engaged in. This forces them to be honest, something that they have never had to deal with before.Miningethereum картинки china bitcoin bio bitcoin etoro bitcoin
bitcoin бизнес uk bitcoin programming bitcoin mining bitcoin ethereum faucet bitcoin sec bitcoin update habrahabr bitcoin ethereum wallet win bitcoin paypal bitcoin робот bitcoin ethereum dark ethereum ios bitcoin kz bitcoin 2018 icons bitcoin bitcoin кошельки bitcoin китай вклады bitcoin ethereum обменять fees, transaction fees, and a 1.5% withdrawal fee. Overall, the advantages ofSome months ago, Apple removed all bitcoin wallet apps from its App Store. However, on 2nd June, the company rescinded this policy, once again paving the way for wallet apps on iOS devices. These are already starting to appear, with Blockchain, Coinbase and others apps now available. We can expect many more to arrive in coming months too.Blockchain Certification Training Courseethereum dag In the Bitcoin network, anyone can join the network and become a bookkeeping service provider i.e., a validator. All validators are allowed in the race to become the block producer for the next block, yet only the first to complete a computationally heavy task will win. This feature is called Proof of Work (PoW).The probability of any single validator to finish the task first is equal to the percentage of the total network computation power, or hash power, the validator has. For instance, a validator with 5% of the total network computation power will have a 5% chance of completing the task first, and therefore becoming the next block producer.Since anyone can join the race, competition is prone to increase. In the early days, Bitcoin mining was mostly done by personal computer CPUs.As of today, Bitcoin validators, or miners, have opted for dedicated and more powerful devices such as machines based on Application-Specific Integrated Circuit ('ASIC').Proof of Work secures the network as block producers must have spent resources external to the network (i.e., money to pay electricity), and can provide proof to other participants that they did so.With various miners competing for block rewards, it becomes difficult for one single malicious party to gain network majority (defined as more than 51% of the network's hash power in the Nakamoto consensus mechanism). The ability to rearrange transactions via 51% attacks indicates another feature of the Nakamoto consensus: the finality of transactions is only probabilistic.Once a block is produced, it is then propagated by the block producer to all other validators to check on the validity of all transactions in that block. The block producer will receive rewards in the network’s native currency (i.e., bitcoin) as all validators approve the block and update their ledgers.bitcoin оплатить
bitcoin майнинга bitcoin openssl monero обменять fire bitcoin отзыв bitcoin продать ethereum bitcoin valet bitcoin обменять bitcoin акции flash bitcoin ethereum code bitcoin earn bitcoin 99 ethereum android bitcoin s bitcoin луна
fire bitcoin dance bitcoin bitcoin машина zona bitcoin bitcoin motherboard bitcoin завести bitcoin pools bitcoin stellar elena bitcoin bitcoin автосерфинг late as 1820, Adam Smith in The Wealth of Nations praised the money ofобвал ethereum
bitcoin переводчик я bitcoin
инвестиции bitcoin usdt tether moon ethereum биржи monero bitcoin партнерка bitcoin пожертвование bitcoin habr eos cryptocurrency бесплатный bitcoin ethereum charts bitcoin расшифровка ad bitcoin ethereum project кран bitcoin rinkeby ethereum транзакции ethereum bitcoin green euro bitcoin iso bitcoin tera bitcoin bitcoin litecoin bitcoin халява карты bitcoin alpari bitcoin алгоритмы ethereum bitcoin комиссия аккаунт bitcoin bcc bitcoin bitcoin отзывы ethereum russia цена ethereum bitcoin transaction bitcoin анимация
bitcoin конверт bitcoin boxbit куплю bitcoin decred ethereum bitcoin youtube bitcoin ваучер эфир ethereum fenix bitcoin bitcoin bloomberg roll bitcoin рост bitcoin
tether верификация bitcoin trade bitcoin buying bitcoin презентация bitcoin лого bitcoin advertising bitcoin symbol happy bitcoin
cubits bitcoin ethereum форум bitcoin 3 tether скачать
bitcoin открыть monero алгоритм In Ethereum you set up a smart contract by creating a new account with some code in it, and uploading it to the Ethereum blockchain in a transaction.картинка bitcoin bitcoin mt4 bitcoin пулы ethereum course bitcoin wmz
заработок ethereum bitcoin клиент ethereum pool bitcoin miner okpay bitcoin bitcoin вконтакте bitcoin cloud bitcoin транзакция bitcoin bear bitcoin это ethereum заработать bitcoin qiwi coinmarketcap bitcoin bitcoin оборот hd bitcoin bitcoin instagram
bitcoin вконтакте
ферма ethereum курса ethereum nodes bitcoin cronox bitcoin bitcoin transaction monero hardware truffle ethereum использование bitcoin продам bitcoin bitcoin status
bitcoin обозреватель cranes bitcoin store bitcoin bitcoin автомат карты bitcoin bitcoin database bitcoin сервисы bitcoin neteller bitcoin change bitcoin circle all cryptocurrency wallet cryptocurrency приват24 bitcoin пожертвование bitcoin bitcoin оборудование
youtube bitcoin bitcoin ether дешевеет bitcoin bitcoin instant bitcoin flip golang bitcoin bitcoin миксер компания bitcoin перевод bitcoin мавроди bitcoin Blockchains can serve as a fully transparent and accessible system of record for regulators. The can also be coded to authorize transactions which comply with regulatory reporting.кошельки bitcoin Can Someone Spend Bitcoin Twice?hosting bitcoin iso bitcoin blacktrail bitcoin ethereum контракты bitcoin lottery golang bitcoin bitcoin landing bitcoin конвертер gui monero cubits bitcoin best bitcoin ethereum node bitcoin film bitcoin основы coingecko bitcoin
wiki ethereum monero coin сервера bitcoin bitcoin easy market bitcoin анализ bitcoin bitcoin котировка british bitcoin film bitcoin валюта bitcoin bitcoin китай excel bitcoin bitcoin 2x ethereum pools wirex bitcoin
checker bitcoin bitcoin client монет bitcoin It looks something like this: John transfers 200 ETH. The payment gets verified and he gets the ownership of the house.проект ethereum Managed/unmanaged exchange ratesрост bitcoin mine ethereum биржа bitcoin bitcoin create film bitcoin cryptocurrency wikipedia coin bitcoin freeman bitcoin программа tether ico monero ubuntu bitcoin bitcoin мошенники tinkoff bitcoin tether mining Currently the average block has a gas limit of 1,500,000 Gas, and the network has an average Gas Price of 0.000 000 022 ETH, meaning that a miner might make 0.033 ETH in a ‘full’ block as the Gas reward. Note that the Gas from contracts are payments of existing ETH, not new ETH being created.monero форк On 3 March 2014, Flexcoin announced it was closing its doors because of a hack attack that took place the day before. In a statement that once occupied their homepage, they announced on 3 March 2014 that 'As Flexcoin does not have the resources, assets, or otherwise to come back from this loss , we are closing our doors immediately.' Users can no longer log into the site.bitcoin loan ethereum стоимость polkadot store bitcoin спекуляция bitcoin автосборщик dag ethereum уязвимости bitcoin миксер bitcoin ethereum форум p2pool ethereum bitcoin flex tether верификация bitcoin цены rbc bitcoin bitcoin lurk casinos bitcoin bitcoin telegram bitcoin pay bitcoin trust
bitcoin nodes проверка bitcoin логотип bitcoin программа tether bitcoin scam выводить bitcoin bitcoin 2010
atm bitcoin bitcoin shops bitcoin etherium
bitcoin avalon bitcoin office bitcoin book p2p bitcoin bitcoin etherium tether пополнение bitcoin mac alpha bitcoin rush bitcoin
bitcoin 3 captcha bitcoin bitcoin currency
bitcoin testnet check bitcoin
plasma ethereum bitcoin scam bitmakler ethereum reverse tether играть bitcoin
bitcoin atm bitcoin пицца эмиссия bitcoin capitalization bitcoin site bitcoin
cryptocurrency calendar индекс bitcoin monero rur maps bitcoin ethereum метрополис monero сложность ethereum telegram monero кран
bitcoin ротатор ethereum пул
locals bitcoin
брокеры bitcoin 1000 bitcoin Let TX be the block's transaction list, with n transactions. For all i in 0...n-1, set S = APPLY(S,TX). If any application returns an error, or if the total gas consumed in the block up until this point exceeds the GASLIMIT, return an error.ethereum регистрация bitcoin nasdaq ethereum упал
ethereum supernova
компания bitcoin bitcoin trade нода ethereum bitcoin майнер bitcoin pps bitcoin рубли credit bitcoin теханализ bitcoin bitcoin рухнул cryptocurrency gold p2p bitcoin ethereum com ethereum markets ethereum сложность express bitcoin анимация bitcoin statistics bitcoin
tera bitcoin monero купить ethereum io cryptocurrency news bitcoin atm bitcoin pizza bitcoin microsoft хабрахабр bitcoin динамика ethereum bitcoin adress bitcoin king bitcoin knots кредит bitcoin основатель ethereum agario bitcoin bitcoin aliexpress bitcoin torrent
bitcoin conveyor bitcoin обозреватель electrum ethereum
the ethereum bitcoin игры king bitcoin ethereum miner
bitcoin conveyor bitcoin koshelek wifi tether monero прогноз анализ bitcoin keystore ethereum 4000 bitcoin bitcoin fox store bitcoin bitcoin capitalization ropsten ethereum
alipay bitcoin stellar cryptocurrency pro100business bitcoin lurkmore bitcoin проверка bitcoin bitcoin работать monero форк bitcoin видео cryptocurrency prices ico cryptocurrency заработать ethereum перспективы bitcoin вклады bitcoin bitcoin nachrichten bitcoin растет использование bitcoin bitcoin zebra mt5 bitcoin ethereum 1070 bitcointalk ethereum bitcoin traffic bitcoin cards bitcoin king
statistics bitcoin Cryptographic smart contracts were introduced to the world by Ethereum in August 2014. Its smart contracts are programmed applications that can create markets, store registries, direct transactions, among other things. The full potential for its applications is unknown.In bitcoin mining terms, that metaphorical undisclosed number in the envelope is called the target hash.Before you buy something with cryptocurrency, know a seller’s reputation, where the seller is located, and how to contact someone if there is a problem.metropolis ethereum Also, Bitcoin isn't domestic to the US or any other country. It's a worldwide community, as can be seen in this map of Bitcoin nodes.bitcoin tube заработка bitcoin bitcoin mail Etherminebitcoin demo ethereum покупка кости bitcoin bitcoin swiss nanopool ethereum bitcoin проблемы математика bitcoin monero cryptonote хардфорк bitcoin система bitcoin bitcoin ru сайт bitcoin ethereum os bitcoin сбербанк bitcoin forex bitcoin crush bitcoin start exchange ethereum bitcoin скачать bitcoin asic bitcoin doubler blocks bitcoin
bitcoin софт
ann ethereum bitcoin doubler bitcoin today battle bitcoin cryptocurrency ico bitcoin charts bitcoin invest
bitcoin mixer
captcha bitcoin bitcoin gambling bitcoin explorer
bitcoin cpu bitcoin update bitcoin программа ethereum криптовалюта bitcoin рухнул генераторы bitcoin bitcoin страна coinder bitcoin demo bitcoin 10000 bitcoin erc20 ethereum bitcoin математика капитализация ethereum bitcoin wikileaks ethereum обменники monero bitcointalk topfan bitcoin bitcoin игры bitcoin оборот bitcoin майнинг розыгрыш bitcoin вход bitcoin обмен monero box bitcoin coinmarketcap bitcoin monero pools bitcoin desk bitcoin buying bitcoin anonymous nicehash monero lealana bitcoin british bitcoin bitcoin vpn bitcoin neteller pool bitcoin обзор bitcoin bitcoin grant bitcoin сложность During the third year, with only 80 new coins and still $10,000 in new capital, each buyer can only get 8 coins, at an effective price point of $125 per coin.coinder bitcoin ethereum форк bitcoin x логотип ethereum bitcoin регистрации bitcoin index land bitcoin bitcoin mixer wallets cryptocurrency coin bitcoin bitcoin деньги difficulty ethereum ethereum ротаторы spots cryptocurrency bitcoin динамика cpuminer monero mine ethereum bitcoin algorithm q bitcoin bitcoin kurs заработать bitcoin bazar bitcoin bitcoin x2 bitcoin hunter bitcoin ann bitcoin кошелек half bitcoin bitcoin group ethereum price bitcoin комиссия monero pro ферма ethereum uk bitcoin
портал bitcoin bitcoin валюты ethereum 1070 bitcoin escrow panda bitcoin партнерка bitcoin bitcoin android cryptocurrency tech tether wallet ethereum вики bitcoin xbt запуск bitcoin история ethereum bitcoin work сколько bitcoin bitcoin wmx hack bitcoin reddit bitcoin bitcoin project php bitcoin bitcoin фарминг алгоритм monero ethereum 2017 bitcoin bitcoin википедия tx bitcoin bitcoin прогноз reddit bitcoin ethereum course bitcoin 4096 bitcoin online ethereum pow bitcoin com A more contemporary example of this constraint is Hong Kong’s current travails with its currency which is soft-pegged to the US dollar. Unfortunately for Hong Kong, the US dollar has strengthened considerably in recent years, and so the monetary authority has been faced with the unenviable challenge of meeting an appreciating price target. A capital outflow from HK to the US has compounded the difficulty.ethereum miners explorer ethereum ethereum история reverse tether bitcoin тинькофф bitcoin bbc bitcoin payoneer monero майнить rx560 monero bitcoin настройка ethereum mine ico bitcoin ethereum видеокарты статистика ethereum перевод ethereum x bitcoin exchanges bitcoin hashrate bitcoin l bitcoin ethereum windows bitcoin форумы bitcoin автосерфинг solo bitcoin bitcoin карты bitcoin registration bitcoin скачать bitcoin vip express bitcoin bitcoin easy bitcoin buying
bitcoin котировки moon bitcoin wallets cryptocurrency bitcoin dance отзыв bitcoin
bitcoin linux
config bitcoin hashrate bitcoin bitcoin сервера конец bitcoin
bitcoin linux bitcoin bounty
coin bitcoin usa bitcoin block bitcoin портал bitcoin ethereum логотип bitcoin bloomberg bitcoin миллионеры
golden bitcoin
bitcoin книга bitcoin news blocks bitcoin bitcoin work goldmine bitcoin zebra bitcoin cms bitcoin bitcoin игры bitcoin global usb tether bitcoin tm blogspot bitcoin dark bitcoin surf bitcoin monero bitcointalk bitcoin in пример bitcoin bitcoin мошенники перспективы ethereum blitz bitcoin ethereum вывод ethereum 1080 monero обмен bistler bitcoin in bitcoin bitcoin background bonus bitcoin monero обменять ethereum farm machines bitcoin bitcoin вконтакте ethereum pools bitcoin arbitrage reklama bitcoin vizit bitcoin kurs bitcoin bitcoin q carding bitcoin monero rur exchange ethereum bitcoin mercado bitcoin people ethereum flypool bitcoin 3d hosting bitcoin bitcoin перевод level of difficulty,bitcoin iphone 3d bitcoin bitcoin vector monero xmr bitcoin форки freeman bitcoin btc bitcoin monero майнер kaspersky bitcoin monero exchange cryptocurrency bitcoin депозит bitcoin bitrix bitcoin 100 sgminer monero bitcoin фирмы decred ethereum bitcoin protocol bitcoin комиссия форк bitcoin bux bitcoin mail bitcoin
bitcoin авито
You’ve no doubt been waiting very patiently to find out one thing: is there a chance you’ll actually win some bitcoins?bitcoin coinmarketcap satoshi bitcoin debian bitcoin moneybox bitcoin
tcc bitcoin партнерка bitcoin bitcoin capitalization
bitcoin sberbank кошельки bitcoin ethereum api source bitcoin cryptocurrency market bitcoin expanse bitcoin example bitcoin quotes
bitcoin шахты mac bitcoin ethereum купить
криптовалюту monero bitcoin bonus monero кошелек tether верификация bitcoin виджет депозит bitcoin tether yota бонусы bitcoin bitcoin fire kupit bitcoin
bitcoin fan water bitcoin ethereum pow bitcoin agario ethereum myetherwallet 1 bitcoin сложность ethereum tether gps запросы bitcoin bitcoin airbit ethereum википедия poloniex monero ethereum gas
bitcoin foto bitcoin 4096 monero купить bitcoin продам bitcoin traffic bitcoin пополнение ecopayz bitcoin charts bitcoin bitcoin fpga
The apps built on Ethereum that offer this functionality are known as decentralized apps. Users need ether, Ethereum’s native token, to use them.взломать bitcoin
bitcoin main bitcoin etf
bitcoin desk bitcoin laundering bitcoin phoenix зарегистрироваться bitcoin bitcoin balance
lazy bitcoin
вебмани bitcoin tether 2 bitcoin автокран bus bitcoin The transfer limits of the day could have been exceededbitcoin earnings
что bitcoin bank cryptocurrency отзыв bitcoin bitcoin ebay ecopayz bitcoin bitcoin комбайн bitcoin pay
cryptonight monero
asic ethereum bitcoin конверт bitcoin сегодня Bitcoin mining is the process of creating new bitcoin by solving a computational puzzle.best bitcoin download tether bitcoin usd bitcoin 0 nvidia monero bitcoin cz видеокарты bitcoin ethereum доллар фонд ethereum bitcoin spend
трейдинг bitcoin
генератор bitcoin bitcoin xapo best bitcoin payeer bitcoin ethereum fork red bitcoin fork bitcoin bitcoin cny развод bitcoin ethereum install bitcoin 9000 алгоритмы ethereum
bitcoin bubble bitcoin телефон платформа bitcoin bitcoin status monero hashrate
инвестиции bitcoin bitcoin проверить l bitcoin bitcoin machines pull bitcoin autobot bitcoin bitcoin валюты bitcoin poloniex moto bitcoin bitcoin транзакция ethereum бутерин bitcoin банк bitcoin обмен работа bitcoin bitcoin зарегистрироваться cryptocurrency wallet bitcoin protocol дешевеет bitcoin
bitcoin коллектор cfd bitcoin bitcoin bonus bitcoin knots bitcoin motherboard биржа bitcoin bitcoin автокран
The more popular an exchange becomes, the easier it may draw in additional participants, to create a network effect. And by capitalizing on its market clout, it may set rules governing how other currencies are added. For example, the release of the Simple Agreement for Future Tokens (SAFT) framework seeks to define how ICOs could comply with securities regulations. Bitcoin’s presence on these exchanges implies a level of regulatory compliance, regardless of the legal gray area in which cryptocurrencies operate.bitcoin сколько bitcoin loan fasterclick bitcoin win bitcoin blocks bitcoin multiplier bitcoin In a nutshell, cryptocurrency mining is a term that refers to the process of gathering cryptocurrency as a reward for work that you complete. (This is known as Bitcoin mining when talking about mining Bitcoins specifically.) But why do people crypto mine? For some, they’re looking for another source of income. For others, it’s about gaining greater financial freedom without governments or banks butting in. But whatever the reason, cryptocurrencies are a growing area of interest for technophiles, investors, and cybercriminals alike.mmm bitcoin future bitcoin пул bitcoin carding bitcoin генераторы bitcoin stellar cryptocurrency курс ethereum ethereum вывод cryptocurrency calendar space bitcoin
криптовалюта ethereum
