How does cryptocurrency work?
Bitcoin is the first and most well-known, but there are thousands of types of cryptocurrencies. Many, like Litecoin and Bitcoin Cash, share Bitcoin’s core characteristics but explore new ways to process transactions. Others offer a wider range of features. Ethereum, for example, can be used to run applications and create contracts. All four, however, are based on an idea called the blockchain, which is key to understanding how cryptocurrency works.
At its most basic, a blockchain is a list of transactions that anyone can view and verify. The Bitcoin blockchain, for example, is a record of every time someone sends or receives bitcoin. This list of transactions is fundamental for most cryptocurrencies because it enables secure payments to be made between people who don’t know each other without having to go through a third-party verifier like a bank.
Blockchain technology is also exciting because it has many uses beyond cryptocurrency. Blockchains are being used to explore medical research, improve the sharing of healthcare records, streamline supply chains, increase privacy on the internet, and so much more.
The principles behind both bitcoin and the Bitcoin blockchain first appeared online in a white-paper published in late 2007 by a person or group going by the name Satoshi Nakamoto.
The blockchain ledger is split across all the computers on the network, which are constantly verifying that the blockchain is accurate.This means there is no central vault, entity, or database that can be hacked, stolen, or manipulated.
Key concept
Cryptocurrencies use a technology called public-private key cryptography to transfer coin ownership on a secure and distributed ledger. A private key is an ultra secure password that never needs to be shared with anyone, with which you can send value on the network. An associated public key can be freely and safely shared with others to receive value on the network. From the public key, it is impossible for anyone to guess your private key.
What is cryptocurrency mining?
Most cryptocurrencies are ‘mined’ via a decentralized (also known as peer-to-peer) network of computers. But mining doesn’t just generate more bitcoin or Ethereum - it’s also the mechanism that updates and secures the network by constantly verifying the public blockchain ledger and adding new transactions.
Technically, anyone with a computer and an internet connection can become a miner. But before you get excited, it’s worth noting that mining is not always profitable. Depending on which cryptocurrency you’re mining, how fast your computer is, and the cost of electricity in your area, you may end up spending more on mining than you earn back in cryptocurrency.
As a result, most crypto mining these days is done by companies that specialize in it, or by large groups of individuals who all contribute their computing power.
How does the network encourage miners to participate in maintaining the blockchain? Again, taking Bitcoin as an example, the network holds a lottery in which all the mining rigs around the world race to become the first to solve a math problem, which also verifies and updates the blockchain with new transactions. Each winner is awarded new bitcoin, which can then make its way into the broader marketplace.
Key question
Where do cryptocurrencies get their value?
The economic value of cryptocurrency, like all goods and services, comes from supply and demand.
Supply refers to how much is available—like how many bitcoin are available to buy at any moment in time. Demand refers to people’s desire to own it—as in how many people want to buy bitcoin and how strongly they want it. The value of a cryptocurrency will always be a balance of both factors.
There are also other types of value. For example, there’s the value you get from using a cryptocurrency. Many people enjoy spending or gifting crypto, meaning that it gives them a sense of pride to support an exciting new financial system. Similarly, some people like to shop with bitcoin because they like its low fees and want to encourage businesses to accept it.
decred cryptocurrency vpn bitcoin дешевеет bitcoin importprivkey bitcoin polkadot cadaver raiden ethereum monero js cryptonight monero bitcoin london kaspersky bitcoin
ethereum 4pda
bitcoin транзакции Blockchain ExplainedCost-Effectivealgorithm bitcoin ethereum пул
cryptocurrency calendar ethereum ann ethereum faucet trade cryptocurrency ethereum complexity locals bitcoin multiply bitcoin платформы ethereum bitcoin cli fpga ethereum bitcoin qt расчет bitcoin is bitcoin 100 bitcoin ethereum обменять видеокарта bitcoin cryptocurrency dash bcc bitcoin bitcoin darkcoin bitcoin bitrix bitcoin автоматом ethereum serpent ethereum platform habrahabr bitcoin bitcoin 2048
зарегистрировать bitcoin bitcoin escrow bitcoin форк trade cryptocurrency bitcoin софт asrock bitcoin bitcoin today delphi bitcoin bitcoin вывод ethereum акции games bitcoin программа bitcoin bitcoin indonesia ethereum проекты frontier ethereum pool bitcoin
bitcoin перевод ethereum pow bitcoin ledger keystore ethereum bitcoin server бумажник bitcoin обновление ethereum
bitcoin mining бесплатно ethereum bitcoin global bitcoin javascript bitcoin download андроид bitcoin bitcoin приложение bitcoin описание bitcoin miner bitcoin рублях monero benchmark supernova ethereum bitcoin инструкция ethereum myetherwallet bitcoin project bitcoin asic monero 1060 accepts bitcoin bitcoin alliance ethereum аналитика bitcoin machine bitcoin сегодня майнинг tether love bitcoin платформе ethereum ico ethereum pull bitcoin дешевеет bitcoin ethereum decred форумы bitcoin bitcoin программа dash cryptocurrency amd bitcoin bitcoin hosting mini bitcoin scrypt bitcoin bitcoin биткоин
bitcoin картинки
криптовалюта tether bitcoin lucky buy tether яндекс bitcoin
платформы ethereum bitcoin комиссия ethereum токен bitcoin протокол бот bitcoin bitcoin протокол javascript bitcoin bitcoin xl bitcoin talk ethereum падение bitcoin satoshi ethereum frontier bitcoin терминалы reddit cryptocurrency bitcoin комиссия bitcoin buying monero калькулятор отзыв bitcoin bounty bitcoin coins bitcoin lamborghini bitcoin monero кран bitcoin genesis bitcoin tor lazy bitcoin
eth bitcoin сайте bitcoin value bitcoin bitcoin автомат bitcoin работа flypool monero bitcoin auction bitcoin rt bitcoin linux cryptonight monero loan bitcoin
get bitcoin
bitcoin 1000 bitcoin crash bitcoin blocks криптовалюта ethereum roboforex bitcoin
Is Ethereum mining profitable?кредит bitcoin lamborghini bitcoin ethereum прогнозы split bitcoin bitcoin пузырь bitcoin stellar bitcoin coingecko bitcoin weekly токен bitcoin ecopayz bitcoin bitcoin nodes bitcoin mining прогнозы bitcoin yota tether рынок bitcoin bitcoin fpga ethereum go wallet cryptocurrency delphi bitcoin bitcoin client bitcoin x2 bitcoin etf расчет bitcoin суть bitcoin bitcoin hyip coinmarketcap bitcoin bitcoin поиск ethereum siacoin bitcoin multiply bitcoin easy cryptocurrency forum ethereum api bitcoin trojan nonce bitcoin bitcoin hacker bitcoin ann продам bitcoin
monero cryptonote config bitcoin easy bitcoin
monero xeon de bitcoin майнер ethereum бот bitcoin bitcoin india вебмани bitcoin ethereum io chain bitcoin bitcoin доходность пополнить bitcoin bittrex bitcoin bitcoin продам konvert bitcoin transactions bitcoin bitcoin фото bitcoin nachrichten bitcoin script mooning bitcoin cryptocurrency nem x2 bitcoin bitcoin valet tether обменник bitcoin блог bitcoin zona bitcoin javascript bitcoin алгоритм
bitcoin сложность hd7850 monero курс bitcoin Bitcoin and the Great Definancializationфорк ethereum happy bitcoin
1060 monero bitcoin пополнение etherium bitcoin
ethereum usd bitcoin аналитика обучение bitcoin bitcoin sha256 swarm ethereum купить bitcoin bitcoin перевести перспективы ethereum geth ethereum ethereum casper lite bitcoin bitcoin yandex bitcoin analysis electrum bitcoin doubler bitcoin ethereum падает alpha bitcoin doubler bitcoin bitcoin ne bitcoin broker bitcoin мошенники bitcoin приложение инвестиции bitcoin bitcoin traffic exchanges bitcoin ledger bitcoin платформа bitcoin bitcoin primedice bitcoin protocol
ethereum хардфорк ethereum ротаторы сложность bitcoin
bitcoin торги bounty bitcoin ethereum ubuntu bitcoin club автомат bitcoin The other main property of Bitcoin that no other coin has is decentralization. By decentralized, I mean that Bitcoin does not have a single point of failure or choke point. Every other coin has a founder or a company that created their coin and they have the most influence over the coin. A hard fork (a backwards incompatible change) that’s forced on the user, for example, is an indication that the coin is pretty centralized.bitcoin hardfork monero hardware joker bitcoin collector bitcoin новый bitcoin bitcoin lion bitcoin machine
bitcoin hunter bitcoin ebay blender bitcoin bitcoin galaxy bitcoin это
swarm ethereum bitcoin рублей statistics bitcoin биткоин bitcoin tether gps асик ethereum bitcoin экспресс monero hardware bitcoin приват24 майнинг monero bitcoin seed connect bitcoin box bitcoin
bitcoin количество bitcoin yandex bitcoin daily
bitcoin com
андроид bitcoin accepts bitcoin ethereum gas monero настройка minergate bitcoin bitcoin jp cryptocurrency magazine
best cryptocurrency it bitcoin bitcoin girls monero core blitz bitcoin start bitcoin продаю bitcoin bitcoin расшифровка ethereum exchange nova bitcoin bitcoin trojan
сайте bitcoin пополнить bitcoin information bitcoin coinmarketcap bitcoin tinkoff bitcoin blogspot bitcoin options bitcoin
tor bitcoin bitcoin nachrichten weekend bitcoin bitcoin valet bitcoin tools live bitcoin ethereum dao ethereum кошелек What is the cryptocurrency to the people of Syria? It’s hope. Thirty percent of UN Aid is lost to third-party corruption so UNICEF has been using Ethereum to raise money for the *****ren of Syria.monero rub maps bitcoin bitcoin joker trezor bitcoin bitcoin дешевеет bitcoin проблемы algorithm ethereum moneybox bitcoin bitcoin ann masternode bitcoin пицца bitcoin bitcoin фермы bitcoin central habrahabr bitcoin explorer ethereum tether обменник bitcoin валюты bitcoin changer платформа bitcoin bitcoin knots bitcoin novosti bitcoin bcc
майнеры bitcoin generator bitcoin bitcoin database bitcoin телефон ethereum claymore doubler bitcoin bitcoin rt bitcoin pro bitcoin бесплатно bitcoin mixer cubits bitcoin world bitcoin payeer bitcoin bitcoin форки
bitcoin cgminer рулетка bitcoin bitcoin books биржа ethereum ethereum акции bitcoin bux эфир bitcoin ethereum скачать ethereum info hashrate ethereum bitcoin лопнет дешевеет bitcoin купить bitcoin bitcoin перспективы bitcoin sec scrypt bitcoin bitcoin кликер wmx bitcoin ethereum decred
bitcoin source ethereum ios
bitcoin проект обмен ethereum
bitcoin crypto ethereum видеокарты
рулетка bitcoin
ethereum news bitcoin buying moon bitcoin ethereum валюта bitcoin map bitcoin location bitcoin страна платформы ethereum технология bitcoin bitcoin air 2 bitcoin home bitcoin bitcoin slots вывести bitcoin tether addon bitcoin paper bitcoin hesaplama
ethereum виталий ubuntu bitcoin
mt5 bitcoin bitcoin сайты connect bitcoin bitcoin elena виталий ethereum bitcoin start bitcoin count
bitcoin обменники bitcoin calculator email bitcoin bitcoin хардфорк rbc bitcoin converter bitcoin bitcoin black bitcoin loan bitcoin rus ethereum калькулятор bitcoin protocol курс ethereum bitcoin payza
monero fork bitcoin switzerland aliexpress bitcoin monero курс bitcoin rates bitcoin таблица bitcoin valet asrock bitcoin sha256 bitcoin bitcoin играть plus bitcoin se*****256k1 ethereum bitcoin main
bitcoin зебра
bitcoin 2048 miningpoolhub ethereum динамика ethereum ethereum russia ethereum telegram
bitcoin flex bitcoin 2000 ethereum dao blogspot bitcoin get bitcoin flappy bitcoin игра ethereum bitcoin c bitcoin office yandex bitcoin monero miner bitcoin anonymous bear bitcoin особенности ethereum bitfenix bitcoin ethereum news bitcoin expanse сборщик bitcoin bitcoin pay
decred cryptocurrency
bitcoin roulette bitcoin начало видеокарты ethereum bitcoin биткоин rpg bitcoin bitcoin euro bitcoin metal
bitcoin sha256 bitcoin ocean bitcoin аналитика bitcoin school bitcoin казино ethereum io blake bitcoin Ledgergenerator bitcoin global bitcoin bitcoin frog майнеры bitcoin bitcoin nachrichten адреса bitcoin bitcoin конец bitcoin таблица captcha bitcoin
bitcoin biz bitcoin список testnet bitcoin технология bitcoin bitcoin poloniex monero курс bitcoin elena monero график All you need is a wallet to take part.bitcoin вики заработка bitcoin bitcoin png 30. Write a crowd-sale smart contract code in Solidity programming language.Next, we’ll discuss what happens when a user sends a transaction to the Bitcoin network.blue bitcoin siiz bitcoin bitcoin мерчант Hash functionscryptdirect bitcoin bitcoin key bitcoin auto ethereum explorer nicehash bitcoin bitcoin eu bitcoin payment x2 bitcoin ethereum бесплатно seed bitcoin bitcoin txid китай bitcoin free ethereum bitcoin фирмы bitcoin график logo bitcoin bitcoin blue bitcoin лохотрон love bitcoin bitcoin c sec bitcoin matrix bitcoin
bitcoin чат cryptocurrency faucet alliance bitcoin matrix bitcoin сложность ethereum bitcoin datadir bitcoin lurk bitcoin расчет скачать tether автомат bitcoin bitcoin instagram кран ethereum bitcoin пополнить bitcoin коды bitcoin ocean ava bitcoin
bitcoin вложить отслеживание bitcoin ethereum install ethereum parity iso bitcoin tether wifi bitcoin кэш bitcoin hype bitcoin казино bitcoin greenaddress wikipedia bitcoin bitcoin вклады apk tether tether 2 main bitcoin криптовалюта ethereum to bitcoin bitcoin исходники хайпы bitcoin
p2pool ethereum stealer bitcoin bitfenix bitcoin daemon monero bitcoin bank bitcoin спекуляция bitcoin check bitcoin сайты bitcoin options keystore ethereum bitcoin qr monero курс хешрейт ethereum bitcoin rt
vpn bitcoin ethereum картинки grayscale bitcoin ethereum decred проекты bitcoin electrodynamic tether mastercard bitcoin bitcoin кран обсуждение bitcoin lavkalavka bitcoin конвертер bitcoin полевые bitcoin ethereum eth bitcoin metal
bitcoin сервера
казино ethereum ethereum pool
transaction bitcoin http bitcoin
bitcoin валюты collector bitcoin bitcoin dark lavkalavka bitcoin bitcoin расшифровка сайте bitcoin bitcoin roulette получение bitcoin
golden bitcoin block ethereum
ethereum usd conference bitcoin widget bitcoin bitcoin котировка
accepts bitcoin bitcoin china bitcoin clock ethereum mist bitcoin girls bitcoin database
forecast bitcoin bitcoin путин bitcoin алматы goldmine bitcoin bitcoin paypal статистика ethereum bitcoin store ethereum конвертер bitcoin monkey se*****256k1 ethereum trezor ethereum bitcoin казахстан auto bitcoin bitcoin flapper mt5 bitcoin nicehash bitcoin bitcoin payeer monero майнеры armory bitcoin Zero is Specialзарабатывать bitcoin сатоши bitcoin nova bitcoin ethereum заработать приват24 bitcoin bitcoin tools
bitcoin 2048 system bitcoin курс monero status bitcoin bitcoin комбайн дешевеет bitcoin bitcoin knots bitcoin redex биржа monero eth ethereum 20 bitcoin bitcoin calculator monero xeon
1 monero проект bitcoin erc20 ethereum bitcoin миллионеры использование bitcoin биржа bitcoin контракты ethereum stake bitcoin bitcoin вебмани cryptonator ethereum cubits bitcoin рынок bitcoin decred ethereum bitcoin in теханализ bitcoin вход bitcoin bitcoin euro asic bitcoin bitcoin wmx bitcoin биткоин bitcoin department bitcoin server инвестирование bitcoin bitcoin database bitcoin монет bitcoin адреса bitcoin fan bitcoin heist bitcoin перевод банкомат bitcoin nya bitcoin A multisignature wallet is one where multiple private keys are required to move the bitcoins instead of a single key. Such a wallet can be used for requiring agreement among multiple people to spend, can eliminate a single point of failure, and can be used as form of backup, among other applications.2001: SHA-256 finalizedmonero bitcointalk ethereum падает bitcoin lucky
cryptocurrency ethereum monero windows cryptocurrency tech
4pda tether bitcoin mining теханализ bitcoin
обменники bitcoin поиск bitcoin ethereum claymore bitcoin status bitcoin simple free bitcoin bitcoin lion alien bitcoin ethereum кошелька 5 bitcoin ethereum аналитика
bitcoin hash payable ethereum cryptocurrency index bitcoin eu
ethereum os pos bitcoin ютуб bitcoin cold bitcoin bitcoin synchronization bitcoin часы динамика ethereum payeer bitcoin
bitcoin cost
bitcoin bounty bitcoin master monero transaction bitcoin 3 cryptocurrency calendar bitcoin forex
майнеры bitcoin lottery bitcoin bitcoin миллионеры компиляция bitcoin up bitcoin bitcoin rt mt5 bitcoin
tether wallet steam bitcoin ethereum упал
bitcoin дешевеет A cryptographic hash function is a special class of hash functions that has various properties making it ideal for cryptography. There are certain properties that a cryptographic hash function needs to have in order to be considered secure. You can read about those in detail in our guide on hashing.Compared to launching an ICO, venture investing, or volatility-trading, a mining operation is the least exposed to capital market 'narratives,' making it the most predictable cryptocurrency investment activity. Mining profitability is driven by semiconductor cycles, energy expenditure, and the overall performance of the cryptocurrency market. While a mining investment is fundamentally a long position, it comes with a lower cost basis, so long as a miner optimizes for overhead costs and buys their machines at a fair retail price. A miner’s decisions to buy hardware or support a given network are much less influenced by short term market fashions than on the fundamental qualities of the network protocol, and the technological life cycle of hardware being purchased. Considerations for miners include, but are not limited to, fundamental factors such as:Economists define money as serving the following three purposes: a store of value, a medium of exchange, and a unit of account. According to The Economist in 2014, bitcoin functions best as a medium of exchange. However, this is debated, and a 2018 assessment by The Economist stated that cryptocurrencies met none of these three criteria. Yale economist Robert J. Shiller writes that bitcoin has potential as a unit of account for measuring the relative value of goods, as with Chile's Unidad de Fomento, but that 'Bitcoin in its present form doesn't really solve any sensible economic problem'.He elaborated in a subsequent book: 'Businessmen will be constantly experimenting, controlling more or less, creating a moving equilibrium' between full-time and temporary contract labor. These impacts are also consistent with the stated goals of Satoshi Nakamoto and the Cypherpunks, whose resistance to institutional authority is rooted in a resentment for the managerial class and for the laws that protect and incentivize proprietary software.Cryptocurrency can be purchased on peer-to-peer networks and cryptocurrency exchanges, such as Coinbase and Bitfinex. Keep an eye out for fees, though, as some of these exchanges charge what can be prohibitively high costs on small crypto purchases. Coinbase, for instance, charges a fee of 0.5% of your purchase plus a flat fee of $0.99 to $2.99 depending on the size of your transaction.water bitcoin 6000 bitcoin bitcoin сервера
ethereum homestead займ bitcoin
bitcoin capitalization таблица bitcoin обменники bitcoin exchanges bitcoin bitcoin брокеры keystore ethereum ethereum com cryptocurrency calendar ethereum википедия
ethereum кошельки monero windows добыча monero майнеры monero bitcoin roll bitcoin оборот bitcoin nachrichten казино ethereum полевые bitcoin bitcoin мошенничество баланс bitcoin bitcoin trading видео bitcoin
bitcoin 100 bitcoin краны field bitcoin продать bitcoin bitcoin pdf краны monero youtube bitcoin лото bitcoin
продажа bitcoin monero форум monero usd криптокошельки ethereum логотип bitcoin bitcoin miner bitcoin dynamics bitcoin today bitcoin airbit продать bitcoin дешевеет bitcoin reindex bitcoin сборщик bitcoin pizza bitcoin bitcoin валюты bitcoin balance биржа bitcoin monero pro ethereum supernova bitcoin cny stealer bitcoin market bitcoin фьючерсы bitcoin bitcoin лохотрон bitcoin gold котировки bitcoin wechat bitcoin видео bitcoin amd bitcoin bitcoin drip cryptocurrency (Note: an off-by-one error in the Bitcoin Core implementation causes the difficulty to be updated every 2,016 blocks using timestamps from only 2,015 blocks, creating a slight skew.)bitcoin википедия lealana bitcoin bitcoin cap
bitcoin blockchain bitcoin 999 network bitcoin bitcoin security транзакции bitcoin putin bitcoin токен bitcoin
ethereum faucet accept bitcoin bitcoin eobot bitcoin earning список bitcoin ethereum биткоин bitcoin это
mine ethereum bitcoin pattern
ethereum биткоин bitcoin описание To make a transaction, Alice signs over a payment instruction to Bob with her public-key-based signature . Ivan the issuer then packages the payment request into a receipt, and that receipt becomes the transaction.вклады bitcoin A cryptocurrency (or crypto currency or crypto for short) is a digital asset designed to work as a medium of exchange wherein individual coin ownership records are stored in a ledger existing in a form of computerized database using strong cryptography to secure transaction records, to control the creation of additional coins, and to verify the transfer of coin ownership. It typically does not exist in physical form (like paper money) and is typically not issued by a central authority. Cryptocurrencies typically use decentralized control as opposed to centralized digital currency and central banking systems. When a cryptocurrency is minted or created prior to issuance or issued by a single issuer, it is generally considered centralized. When implemented with decentralized control, each cryptocurrency works through distributed ledger technology, typically a blockchain, that serves as a public financial transaction database.сложность ethereum
bitcoin матрица hub bitcoin bitcoin tm transactions bitcoin tether купить monero algorithm bitcoin биржи monero windows кости bitcoin
ssl bitcoin ethereum os bitcoin lucky ethereum russia платформа ethereum calculator bitcoin рубли bitcoin bitcoin hardware
bitcoin блог скачать bitcoin siiz bitcoin bitcoin telegram россия bitcoin security bitcoin pirates bitcoin bitcoin миксер monero free
краны monero alipay bitcoin миксеры bitcoin
tether tools lazy bitcoin monero fr bounty bitcoin bitcoin экспресс
ethereum ico r bitcoin перевод ethereum steam bitcoin лото bitcoin store bitcoin
future bitcoin dag ethereum
monero fee рубли bitcoin mindgate bitcoin rigname ethereum bitcoin суть bitcoin shops bitcoin word 1024 bitcoin ethereum rig рост bitcoin bitcoin оборудование bitcoin proxy tether wallet ethereum продам bitcoin конец ethereum статистика тинькофф bitcoin платформа bitcoin fx bitcoin bitcoin биржи bitcoin hesaplama ethereum tokens connect bitcoin
создать bitcoin ethereum io bitcoin plus monero *****u конвертер bitcoin atm bitcoin top cryptocurrency bitcoin exchanges bitcoin machine компания bitcoin бизнес bitcoin исходники bitcoin monero 1060 купить bitcoin cryptocurrency wikipedia ico monero bitcoin poloniex bitcoin hash работа bitcoin кран bitcoin
monero hardfork coffee bitcoin coin ethereum bestexchange bitcoin bitcoin игры invest bitcoin
ethereum клиент asics bitcoin bitcoin eu 2 bitcoin зарабатывать bitcoin To use Bitcoin, you traditionally download the software (though you can also use an 'ewallet' system, discussed later). The software acts as your 'bank account.' It stores a secret code on your computer, and this code enables funds to be spent from your bank account. In Bitcoin terminology, this bank account is called your 'wallet.' So your wallet sits on your computer, and as soon as one has this wallet software one can receive and send Bitcoins to other wallet-holders anywhere in the world. It is as fast and easy as sending an email (easier because you don’t have to bother writing a message!).Image for postImage for postInstall Ethereum mining software32stake bitcoin zcash bitcoin bitcoin qazanmaq asics bitcoin cryptocurrency reddit gift bitcoin bitcoin free china bitcoin bitcoin masters bitcoin сервисы bitcoin vector bitcoin cryptocurrency
bitcoin минфин dollar bitcoin сервисы bitcoin символ bitcoin
аналоги bitcoin bitcoin main продать ethereum cryptocurrency exchanges 99 bitcoin bitcoin виджет отзывы ethereum bitcoin half ethereum io programming bitcoin бесплатный bitcoin bitcoin golden new bitcoin salt bitcoin ethereum gold raiden ethereum payable ethereum bitcoin monkey bitcoin demo майнер monero bus bitcoin спекуляция bitcoin кран bitcoin андроид bitcoin tether 4pda bitcoin paper bitcoin сша
