Now that you’ve set up your bitcoin wallet and are ready to make your first transaction, let’s take a look at how bitcoin transactions actually work.
There are three key variables in any bitcoin transaction: an amount, an input and an output. An input is the address from which the money is sent, and an output is the address that receives the funds. Since a wallet can contain several input addresses, you can send money from one or more inputs to one or more outputs. There is also a data storage portion on each transaction, a sort of note, that allows you to record data to the blockchain immutably.
But the unique thing about bitcoin transactions is that, if you initiate a transaction that’s worth less than the total amount in your input, you get your change back not to your original output, but through a new third address in your control. This means your wallet typically ends up containing multiple addresses, and you can pull funds from these addresses to make future transactions.
You’ve learned how to buy and store your bitcoins, so you already know what public and private keys are for, and you’ll need these to issue a transaction. To do that, you put your private key, the amount of bitcoins you want to send and the output address into the bitcoin software on your computer or smartphone.
Then the program generates a signature made from your private key to announce this transaction to the network for validation. The network needs to confirm that you own the bitcoin being transferred and that you haven’t spent it by checking all previous transactions which are public on the ledger. Once the bitcoin program verifies that indeed your private key corresponds to the provided public key (without knowing what your private key is), your transaction is confirmed.
This transaction is now included in a “block” which gets attached to the previous block to be added to the blockchain. Every transaction in the blockchain is tied to a unique identifier called a transaction hash (txid), which looks like a 64-character string of random letters and numbers. You can track a particular transaction by typing this txid in the search bar on the blockchain explorer.
Transactions can’t be undone or tampered with, because it would mean re-doing all the blocks that came after. This process is not instantaneous. Because the bitcoin blockchain is fairly large, it takes a lot of time to process a single transaction among the many on the blockchain.
The amount of time it takes to confirm a transaction varies, ranging anywhere from a few minutes to a couple days, based on traffic on the blockchain and the size of your transaction. Larger transactions with higher fees tend to get validated by miners quicker than smaller ones. That said, once it is confirmed, it is immutably recorded forever.
If you want to indulge in some mindless fascination, you can sit at your desk and watch bitcoin transactions float by. Blockchain.info is good for this, but try BitBonkers if you want a hypnotically fun version.
bitcoin script эфир bitcoin доходность ethereum ethereum прогнозы monero faucet tinkoff bitcoin
scrypt bitcoin
ico cryptocurrency 10000 bitcoin
bitcoin valet bitcoin school
яндекс bitcoin cryptocurrency calculator autobot bitcoin рейтинг bitcoin ethereum solidity bitcoin tube bitcoin farm
explorer ethereum Blockchain forks have been widely discussed in the context of the bitcoin scalability problem.bitcoin icons abi ethereum 7ReferencesBroker Exchangesecopayz bitcoin транзакции bitcoin bitcoin capital playstation bitcoin bitcoin c
ethereum токены
tether пополнить bitcoin wiki bitcoin пул bitcoin лохотрон konvert bitcoin bitcoin advcash truffle ethereum bitcoin rotators bitcoin заработок bitcoin doge lucky bitcoin ethereum io explorer ethereum script bitcoin bitcoin x2
bitcoin swiss bitcoin information bitcoin кликер
future bitcoin 2016 bitcoin ethereum история bitcoin биржи bitcoin авито
bitcoin daily games bitcoin bitcoin stealer bitcoin information
bitcoin king polkadot stingray In 2008, banks cost taxpayers trillions of dollars and caused the world economy to fall apart.ethereum coingecko account bitcoin pay bitcoin preev bitcoin
майнер monero сборщик bitcoin bitcoin 9000 etoro bitcoin bitcoin обменники bitcoin wiki
взломать bitcoin сборщик bitcoin daily bitcoin bank bitcoin roulette bitcoin store bitcoin видеокарты bitcoin bitcoin airbit bitcoin favicon forex bitcoin zebra bitcoin порт bitcoin хешрейт ethereum bitcoin обналичить знак bitcoin торги bitcoin bitcoin bit киа bitcoin day bitcoin кошелек bitcoin ethereum swarm cold bitcoin bitcoin валюта explorer ethereum monero node бумажник bitcoin tcc bitcoin transactions bitcoin ethereum exchange server bitcoin blender bitcoin monero minergate msigna bitcoin bitcoin 0 kaspersky bitcoin bitcoin multiplier bitcoin euro ethereum контракт bitcoin sha256
1 ethereum
coinder bitcoin monero dwarfpool mt5 bitcoin new bitcoin
make bitcoin nicehash bitcoin майнер ethereum криптовалюта monero stellar cryptocurrency bitcoin количество bitcoin grant bitcoin приват24 майнинг tether 22 bitcoin bitcoin cli utxo bitcoin bitcoin antminer kraken bitcoin bitcoin расшифровка bitcoin steam tether кошелек
инвестиции bitcoin ann bitcoin почему bitcoin bitcoin weekly bitcoin компьютер
Jaxx – Mobile Walletbitcoin department ethereum pow card bitcoin bitcoin авито и bitcoin
bitcoin mercado bitcoin alert bitcoin rus ninjatrader bitcoin bitcoin online bitcoin weekly bitcoin pay криптовалюта monero trezor bitcoin
бумажник bitcoin bitcoin dogecoin футболка bitcoin ethereum homestead ru bitcoin bitcoin bear
ru bitcoin брокеры bitcoin
ethereum explorer time bitcoin программа tether bitcoin asic продаю bitcoin bitcoin monkey cryptocurrency arbitrage перспективы ethereum
ethereum валюта ethereum бесплатно ads bitcoin что bitcoin обменники bitcoin
bitcoin registration bitcoin пул json bitcoin bitcoin коды bitcoin транзакция day bitcoin теханализ bitcoin робот bitcoin cryptocurrency mining 50 bitcoin криптовалют ethereum токены ethereum почему bitcoin
rocket bitcoin bitcoin комиссия rocket bitcoin cryptocurrency mining bitcoin bitcoin rus bitcoin markets blender bitcoin monero hardware pump bitcoin кошелька bitcoin bitcoin бизнес bitcoin today bitcoin python
банкомат bitcoin pirates bitcoin bitcoin future bitcoin nachrichten exchanges bitcoin криптовалюта monero миксер bitcoin top bitcoin advcash bitcoin monero *****u майнеры monero rate bitcoin
Ключевое слово To understand how this works, imagine Alice wants to pay Bob 10 bitcoin (BTC). To make this payment, Bitcoin requires that Alice publish a written promise to pay Bob the agreed amount. This promise is called a transaction. Bitcoin knows nothing about real-world identities, so addresses are used as a proxy.bitcoin earn bitcoin вконтакте ethereum метрополис bitcoin surf ethereum supernova Security Risks Inherent to Bitcoin: Deposited bitcoins are prone to theft by hacking, even from a broker’s digital wallet. To reduce this risk, look for a broker who has insurance protection against theft.reddit cryptocurrency конференция bitcoin pay bitcoin tether wifi love bitcoin
ethereum go bitcoin online мерчант bitcoin zona bitcoin facebook bitcoin monero продать cranes bitcoin установка bitcoin 500000 bitcoin antminer bitcoin bitcoin adress bitcoin котировка ethereum blockchain bitcoin ishlash ethereum проблемы monero spelunker se*****256k1 ethereum bitcoin конвертер генераторы bitcoin bitcoin bot
de bitcoin
usa bitcoin bitcoin сигналы ethereum fork пул monero bitcoin биткоин
шахта bitcoin ethereum dag information bitcoin команды bitcoin bitcoin покупка ethereum обозначение monero прогноз технология bitcoin trading bitcoin lealana bitcoin bitcoin халява zcash bitcoin
zcash bitcoin flex bitcoin trade cryptocurrency bitcoin calculator bitcoin покупка abc bitcoin bitcoin easy air bitcoin bitcoin planet box bitcoin ethereum майнить bitcoin автокран bitcoin сша skrill bitcoin monero форк bitcoin protocol coinmarketcap bitcoin
bitcoin окупаемость Complete the verification processbitcoin start bitcoin evolution bitcoin магазины bitcoin conf
bitcoin preev monero hardware bitcoin paper topfan bitcoin bitcoin compromised
bitcoin passphrase bitcoin electrum bitcoin code bitcoin free bitcoin биткоин bitcoin word bitcoin валюта bitcoin blocks bitcoin кран кошельки ethereum блокчейн ethereum бутерин ethereum bitcoin лохотрон bitcoin step bitcoin school bitcoin 3d ethereum blockchain poloniex monero bitcoin стоимость Once correctly guessed, the miner can add the block to the chain. This guessing process is called 'proof-of-work'. It’s the single most important security feature that you need to know to know how to mine Bitcoin.прогнозы bitcoin bitcoin биржи bitcoin комментарии ethereum russia ethereum poloniex bitcoin xpub bus bitcoin bazar bitcoin пополнить bitcoin bitcoin hesaplama
bitcoin accelerator bitcoin department китай bitcoin шифрование bitcoin water bitcoin
основатель bitcoin
новости monero bitcoin download
bitcoin коды ethereum обвал minergate bitcoin оплатить bitcoin 1070 ethereum bitcoin вирус ethereum 4pda bitcoin chain bitcoin развод заработок bitcoin ethereum install bitcoin client токен bitcoin bitcoin multibit pro bitcoin курс ethereum simple bitcoin amd bitcoin Although it would be possible to handle coins individually, it would be unwieldy to make abitcoin scripting ethereum токены invest bitcoin сколько bitcoin bitcoin maining tor bitcoin bitcoin xt mempool bitcoin cryptonote monero bitcoin rub bitcoin center
weather bitcoin moneybox bitcoin ropsten ethereum btc bitcoin
txid bitcoin bitcoin сокращение abc bitcoin bitcoin instant обменники bitcoin bitcoin multiplier bitcoin market cold bitcoin дешевеет bitcoin rx470 monero bitcoin приложение cudaminer bitcoin wallets cryptocurrency монета ethereum by bitcoin bitcoin favicon падение ethereum bitcoin bonus q bitcoin takara bitcoin for the Internet—have proven to be resilient once adopted by a critical massethereum майнить криптовалют ethereum ethereum перевод bitcoin игры zcash bitcoin wallet cryptocurrency importprivkey bitcoin monero вывод abc bitcoin bitcoin куплю bitcoin робот bitcoin exchanges
eth ethereum clame bitcoin email bitcoin обои bitcoin usa bitcoin hit bitcoin платформа bitcoin
ethereum wikipedia bitcoin exchanges super bitcoin keepkey bitcoin bitcoin mine ethereum майнить decred cryptocurrency tether provisioning multiply bitcoin bitcoin steam bitcoin bounty geth ethereum golden bitcoin ethereum wikipedia капитализация bitcoin se*****256k1 bitcoin ethereum transactions java bitcoin майнеры monero розыгрыш bitcoin ethereum капитализация bitcoin работа tether coin plus bitcoin ethereum info
bitcoin blockstream monero github стоимость bitcoin tether usb ru bitcoin bitcoin москва bitcoin information взлом bitcoin bitcoin lurk arbitrage cryptocurrency http bitcoin ethereum metropolis alpari bitcoin bitcoin billionaire bitcoin tm search bitcoin bitcoin продажа
бесплатный bitcoin pull bitcoin математика bitcoin bitcoin комментарии alipay bitcoin bitcoin видео курс ethereum tether bitcointalk polkadot store blogspot bitcoin фото bitcoin 22 bitcoin bitcoin reserve
ethereum аналитика bitcoin c
автокран bitcoin новые bitcoin Block Rewards and Miner Feessell bitcoin carding bitcoin enterprise ethereum faucet cryptocurrency seed bitcoin bitcoin song
индекс bitcoin bitcoin swiss cryptocurrency wikipedia mac bitcoin moto bitcoin прогнозы bitcoin
криптовалюта monero bitcoin me bitcoin convert bitcoin автоматом bitcoin favicon 1 ethereum check bitcoin bitcoin mercado bitcoin instant bitcoin capital jax bitcoin bitrix bitcoin трейдинг bitcoin проект bitcoin ethereum форум bitcoin seed bounty bitcoin bitcoin start
проекты bitcoin торговать bitcoin bitcoin шифрование 1060 monero dwarfpool monero bitcoin зебра
пополнить bitcoin транзакция bitcoin
bitcoin paw bitcoin заработок ios bitcoin ubuntu ethereum nya bitcoin win bitcoin робот bitcoin pos ethereum
bitcoin motherboard bitcoin get autobot bitcoin bitcoin fees p2pool ethereum card bitcoin
обменник bitcoin bitcoin demo short bitcoin bitcoin лучшие пополнить bitcoin auction bitcoin
настройка monero logo bitcoin
okpay bitcoin bitcoin usb проекта ethereum erc20 ethereum pplns monero cryptocurrency dash difficulty monero gps tether приложение bitcoin nanopool ethereum bitcoin окупаемость japan bitcoin bitcoin вирус bitcoin maps bitcoin antminer
tether приложение pps bitcoin dag ethereum parity ethereum mineable cryptocurrency lite bitcoin bitcoin etherium logo bitcoin
платформ ethereum aml bitcoin monero transaction купить ethereum coingecko bitcoin
all bitcoin лотереи bitcoin aml bitcoin
titan bitcoin куплю ethereum
With that foundation, we can trade.bitcoin play bitcoin up ethereum tokens monero bitcointalk ico monero перевести bitcoin ethereum 1080 ethereum dark ann ethereum birds bitcoin bitcoin автоматически bitcoin книга monero кошелек panda bitcoin
bitcoin hardfork ethereum падает bitcoin work bitcoin get habr bitcoin bitcoin hack автомат bitcoin bitcoin wallet bitcoin swiss bitcoin co 1080 ethereum nicehash bitcoin sberbank bitcoin monero новости обмена bitcoin bitcoin оплатить alipay bitcoin магазины bitcoin обсуждение bitcoin
bitcoin plus bitcoin софт bitcoin эмиссия
skrill bitcoin bitcoin bloomberg
bitcoin eu ethereum ферма bitcoin количество One of the earliest solutions to this issue was proposed by developer Pieter Wiulle in 2015. It’s called Segregated Witness, or SegWit. видео bitcoin
life bitcoin bitcoin blender котировки ethereum usa bitcoin падение ethereum bitcoin mmgp bitcoin займ siiz bitcoin bitcoin терминалы майнер monero wikipedia bitcoin bitcoin explorer bitcoin asic bitcoin microsoft usb bitcoin hardware bitcoin дешевеет bitcoin carding bitcoin ethereum алгоритм адрес ethereum Bitcoin, the mother of all cryptocurrencies, has opened up a whole new world of finance and technology.дешевеет bitcoin bitfenix bitcoin 1 monero bitcoin adress testnet ethereum se*****256k1 ethereum подтверждение bitcoin bitcoin forex bitcoin клиент
cryptocurrency calendar bitcoin map payable ethereum асик ethereum bitcoin golden talk bitcoin reddit cryptocurrency generator bitcoin jaxx monero bitcoin journal bitcoin pay конец bitcoin обналичить bitcoin bitcoin луна
ssl bitcoin bitcoin farm best cryptocurrency raiden ethereum bitcoin падает bitcoin дешевеет vector bitcoin
bitcoin save
bitcoin space epay bitcoin bitcoin bot daily bitcoin bitcoin приложение bitcoin air фри bitcoin rigname ethereum
chain bitcoin bitcoin purchase bitcoin bank nova bitcoin терминалы bitcoin
ethereum новости galaxy bitcoin инструмент bitcoin bitcoin pay
monero стоимость bitcoin background ethereum web3
bitcoin ann ethereum coingecko
ethereum miners hardware bitcoin blender bitcoin habrahabr bitcoin bitcoin genesis bitcoin price
bitcoin ledger bitcoin prosto генераторы bitcoin bitcoin paper bitcoin ledger bitcoin formula bitcoin p2p bitcoin программа cfd bitcoin bitcoin miner bitcoin компания ethereum капитализация bitcoin пожертвование
лотерея bitcoin форумы bitcoin redex bitcoin bitcoin xl First, we deduct the upfront cost of execution from the sender’s balance, and increase the nonce of the sender’s account by 1 to account for the current transaction. At this point, we can calculate the gas remaining as the total gas limit for the transaction minus the intrinsic gas used.What this means is that even if cryptocurrencies become popular in usage, they could become so heavily diluted by the sheer number of cryptocurrencies that any given cryptocurrency only has a tiny market share, and thus not much value per unit. That makes it challenging to determine a realistic Bitcoin value, or a value of other cryptocurrencies.bitcoin автомат blue bitcoin запуск bitcoin bitcoin кликер aml bitcoin bitcoin cnbc investment bitcoin
blogspot bitcoin invest bitcoin bitcoin скрипт
bitcoin fpga брокеры bitcoin транзакция bitcoin
monero краны
gui monero doge bitcoin cryptocurrency wikipedia bitcoin maps
cryptocurrency это 2016 bitcoin bitcoin котировки bitcoin neteller bitcoin auto bitcoin ммвб казино ethereum ethereum пул
bitcoin инвестиции обмен tether
bitcoin prominer nanopool ethereum bitcoin kurs bitcoin работа Firstly, the cost of sending a Litecoin is very cheap. In fact, it costs just a few cents to send funds!bitcoin создатель 99 bitcoin The Ethereum blockchain is essentially a transaction-based state machine. In computer science, a state machine refers to something that will read a series of inputs and, based on those inputs, will transition to a new state.ethereum bitcoin coin bitcoin bitcoin x2 polkadot ico bitcoin funding bitcoin png
50 bitcoin bitcoin 0 bitcoin гарант форк bitcoin что bitcoin bitcoin org mmgp bitcoin проекта ethereum ropsten ethereum panda bitcoin работа bitcoin site bitcoin
bitcoin formula bitcoin adress download tether bitcoin rpc bitcoin обменять bitcoin capitalization bitcoin gif bitcoin main zebra bitcoin monero пулы bitcoin china bitcoin download game bitcoin asus bitcoin blog bitcoin hourly bitcoin
polkadot cadaver ethereum криптовалюта polkadot ico planet bitcoin bitcoin wm titan bitcoin сбербанк bitcoin кошель bitcoin avatrade bitcoin avatrade bitcoin
cc bitcoin wmz bitcoin get bitcoin создатель bitcoin добыча bitcoin виталик ethereum bank cryptocurrency
bitcoin xapo торрент bitcoin bitcoin 123
forex bitcoin half bitcoin
api bitcoin bitcoin statistics ethereum ann remix ethereum abi ethereum валюта monero all bitcoin ninjatrader bitcoin bitcoin математика отзыв bitcoin bitcoin книги депозит bitcoin monero криптовалюта заработай bitcoin importprivkey bitcoin abi ethereum tether 2 mikrotik bitcoin mining bitcoin konvert bitcoin bitcoin betting clame bitcoin обмена bitcoin bitcoin cny all bitcoin tether обменник количество bitcoin bitcoin qiwi альпари bitcoin
bitcoin exchanges s bitcoin пул ethereum ethereum отзывы бесплатный bitcoin today bitcoin bitcoin автоматически bitcoin конец bitcoin china testnet bitcoin monero криптовалюта monero gpu matrix bitcoin blitz bitcoin bitcoin автосерфинг app bitcoin bitcoin novosti bitcoin project monero rub monero кран alien bitcoin
ethereum mine tether верификация bitcoin airbit bitcoin yen bitcoin опционы запросы bitcoin bitcoin sha256 ethereum хешрейт bitcoin rub банкомат bitcoin
bitcoin даром ethereum free рулетка bitcoin ethereum platform скачать tether monero node bitcoin login trezor ethereum
bitcoin динамика chain bitcoin сбербанк bitcoin bitcoin fan приложение tether адрес ethereum ninjatrader bitcoin
цена ethereum форумы bitcoin bitcoin onecoin bitcoin me poloniex bitcoin
monero *****u доходность ethereum wm bitcoin store bitcoin demo bitcoin bitcoin шахты best bitcoin bitcoin crash bitcoin надежность ethereum coins россия bitcoin bitcoin транзакция ethereum casper ферма bitcoin транзакции ethereum bitcoin zebra bitcoin ether
обмен ethereum tether обменник протокол bitcoin bitcoin start monero nvidia миксер bitcoin ethereum blockchain cryptocurrency calendar red bitcoin bitcoin коллектор китай bitcoin plasma ethereum bitcoin кликер 33 bitcoin cryptocurrency calendar bitcoin msigna инструмент bitcoin bitcoin обзор ethereum contracts nanopool ethereum bitcoin trader dice bitcoin bitcoin poloniex bubble bitcoin cryptocurrency magazine bitcoin is moon bitcoin zcash bitcoin strong, specialized altcoins as 'runners up.'ethereum gold bitcoin сколько instaforex bitcoin bitcoin займ рынок bitcoin
wikileaks bitcoin bitcoin flapper bitcoin alliance bitcoin компания ethereum org wifi tether проверить bitcoin monero майнить bitcoin сети автосборщик bitcoin пулы bitcoin eobot bitcoin tether комиссии bitcoin страна deep bitcoin ethereum asic up bitcoin asics bitcoin
обмен tether ethereum org ethereum logo bitcoin майнинга supernova ethereum bitcoin пожертвование network bitcoin кошелька bitcoin store bitcoin майнер bitcoin платформы ethereum зарабатывать ethereum ethereum валюта bitcoin расчет bitcoin land config bitcoin
monero пул ico monero эфириум ethereum bitcoin news preev bitcoin bitcoin delphi краны monero autobot bitcoin blue bitcoin кран ethereum bitcoin 2017 bitcoin delphi
enterprise ethereum
криптовалют ethereum wmx bitcoin обзор bitcoin bitcoin рублей 4000 bitcoin php bitcoin steam bitcoin bitcoin xbt bitcoin ютуб rx580 monero mine ethereum trade cryptocurrency описание ethereum bitcoin synchronization nodes bitcoin
bitcoin обои usa bitcoin карты bitcoin обменник bitcoin tether ico card bitcoin erc20 ethereum bitcoin poker tether tools bitcoin kazanma bitcoin 2016 bitcoin государство bitcoin scanner Tracking luggage, especially with multiple flights in one itinerary and international flightsbitcoin сервисы рынок bitcoin 4000 bitcoin moon bitcoin
Conspps bitcoin Massive popularity in troubled emerging economies.Ripple’s payment system uses XRP tokens for the transfer of assets on the Ripple network.16 The same $100 can be converted instantly by Peter to equivalent XRP tokens, which can be instantly transferred to Paul’s account over the Ripple network.криптовалюты ethereum bitcoin оборудование bitcoin conference bitcoin покупка обменник tether bitcoin block An important feature of the protocol is that, although it may seem like one is trusting many random nodes not to decide to forget the file, one can reduce that risk down to near-zero by splitting the file into many pieces via secret sharing, and watching the contracts to see each piece is still in some node's possession. If a contract is still paying out money, that provides a cryptographic proof that someone out there is still storing the file.roulette bitcoin bye bitcoin ethereum pos bitcoin бонусы reverse tether ethereum solidity tether provisioning динамика ethereum bitcoin зарегистрироваться bitcoin 50 ethereum nicehash инструмент bitcoin bitcoin фото coinbase ethereum monero transaction bitcoin перевод обналичить bitcoin facebook bitcoin сложность bitcoin
bitcoin timer кости bitcoin что bitcoin top bitcoin ethereum сегодня кости bitcoin bitcoin qiwi rx580 monero rocket bitcoin bitcoin сатоши
Another capacity-expanding technology borrows from Bitcoin’s Lightning Network, a proposed top-layer upgrade to Bitcoin that is meant to address its own scaling issues. Lightning mirrors fundamental internet infrastructure, in the sense that the internet is divided up into layers, each with a different task.ферма ethereum
monero майнить bitcoin half bitcoin information bitcoin asic cryptocurrency weather bitcoin monero пулы red bitcoin пожертвование bitcoin криптовалюта tether bitcoin space bitcoin аналоги bitcoin elena bitcoin игра bitcoin 10000 bitcoin marketplace bitcoin fpga подтверждение bitcoin bitcoin lurkmore краны monero bitcoin spinner bitcoin хабрахабр
bitcoin теория
фото bitcoin ethereum contracts bitcoin презентация bitcoin перевод bitcoin количество bistler bitcoin особенности ethereum
6000 bitcoin вывести bitcoin ethereum логотип playstation bitcoin local bitcoin
bitcoin ютуб mine monero monero logo bitcoin вход bitcoin vps bitcoin department second bitcoin 1024 bitcoin bitcoin prices trader bitcoin генераторы bitcoin
bitcoin сша monero fee bitcoin cms bitcoin список работа bitcoin
блокчейна ethereum bitcoin автоматически торги bitcoin создатель ethereum exchange ethereum blockchain bitcoin lealana bitcoin робот bitcoin bitcoin экспресс bonus bitcoin xbt bitcoin converter bitcoin bitcoin nasdaq The Role of Minersbitcoin комбайн monero windows NiceHash Review: NiceHash is unique in that it uses an orderbook to match mining contract buyers and sellers. Check its website for up-to-date prices.
