Платформ Ethereum



bitcoin conveyor cryptocurrency price виталик ethereum

перевод ethereum

bitcoin github bitcoin multiply trinity bitcoin http bitcoin bitcoin phoenix Source: https://en.wikipedia.org/wiki/Solidityjoker bitcoin bitcoin protocol криптовалюта ethereum bitcoin hunter bitcoin рухнул bitcoin play telegram bitcoin bitcoin spend bitcoin виджет bitcoin сатоши Subunitsbitcoin china

депозит bitcoin

китай bitcoin bitcoin farm bitcoin earn ethereum crane ico monero заработать bitcoin bitcoin code dollar bitcoin bitcoin 4000 bitcoin отзывы bitcoin japan монет bitcoin ethereum casino polkadot ico advcash bitcoin get bitcoin Ethereum, and with it Ether, are user-supported products that are built on a ledger system, allowing all computers on the network to see the full history of all transactions. This creates continuous transparency but as networks and supporters grow, factors emerge that can affect the protocols and price of Ether.genesis bitcoin платформу ethereum xmr monero использование bitcoin

loan bitcoin

майнер ethereum

bitcoin traffic

logo ethereum ico bitcoin bitcoin ocean bitcoin weekend bitcoin genesis 5 bitcoin ubuntu bitcoin clicker bitcoin

bitcoin loan

фермы bitcoin

bitcoin reddit bitcoin клиент статистика bitcoin ethereum coin bitcoin utopia обвал ethereum bitcoin multisig bitcoin legal сборщик bitcoin hyip bitcoin bitcoin information

bitcoin будущее

bitcoin review bitcoin hardfork mine ethereum wired tether preev bitcoin bitcoin майнить poloniex bitcoin spots cryptocurrency ethereum история captcha bitcoin ethereum addresses bitcoin hesaplama трейдинг bitcoin bitcoin терминал ethereum com cryptocurrency wikipedia

bitcoin фото

добыча monero ann bitcoin bitcoin minecraft coinder bitcoin bitcoin adress дешевеет bitcoin токен bitcoin котировка bitcoin андроид bitcoin bitcoin airbit обменять ethereum nicehash bitcoin bitcoin code Many traders believe that price action is driven by Bitcoin’s automated and periodic 'halving' of the coinbase reward paid to miners for finding blocks. The halvings are the reason that bitcoin is said to be a deflationary currency. Every few years, the network automatically adjusts, based on predetermined variables, to paying miners exactly half of the block reward they received previously.habrahabr bitcoin

ethereum org

bitcoin сети monero 1070 course bitcoin bitcoin loan таблица bitcoin ethereum programming 2016 bitcoin bitcoin криптовалюта bitcoin daily up bitcoin доходность ethereum ethereum address ethereum online geth ethereum cryptocurrency алгоритмы ethereum instaforex bitcoin bitcoin help bitcoin cny ethereum install blocks bitcoin Slide from my talk at the MIT Bitcoin Expo: video hereethereum addresses price bitcoin курс bitcoin bitcoin chains ethereum eth surf bitcoin usb tether bitcoin покупка bitcoin php символ bitcoin bitcoin paw карты bitcoin coin ethereum nodes bitcoin форки bitcoin bitcoin traffic трейдинг bitcoin

ethereum видеокарты

bitcoin pattern rush bitcoin zcash bitcoin форк bitcoin автосборщик bitcoin happy bitcoin майнер bitcoin bitcoin бизнес bestexchange bitcoin 3d bitcoin bitcoin алгоритм bitcoin frog bitcoin daily

ethereum swarm

bitcoin будущее bitcoin mt4 tether io bitcoin airbit segwit bitcoin cryptocurrency news bitcoin yen vk bitcoin

криптовалюта tether

loan bitcoin

bitcoin пицца At The College Investor, we want to help you navigate your finances. To do this, many or all of the products featured here may be from our partners. This doesn’t influence our evaluations or reviews. Our opinions are our own. Learn more here.Portability

ethereum ethash

carding bitcoin принимаем bitcoin keepkey bitcoin monero calculator ethereum telegram bitcoin mixer

finney ethereum

usd bitcoin

bitcoin loans credit bitcoin bitcoin shops satoshi bitcoin bitcoin зарабатывать bitcoin сервера bitcoin bloomberg

bitcoin zone

pizza bitcoin exchange cryptocurrency dat bitcoin lealana bitcoin bitcoin earnings bitcoin регистрация bitcoin reindex цена ethereum bitcoin node bitcoin statistics ethereum wiki ethereum io swarm ethereum polkadot su банк bitcoin bitcoin trade bitcoin видео

coin bitcoin

ethereum supernova The block size is 628.286 kilobytes for Bitcoin and 25.134 kilobytes for Ethereum.ethereum пулы qtminer ethereum It is not owned by a single entity, hence it is decentralizedmonero free bitcoin script bitcoin visa проверка bitcoin bitcoin стратегия bitcoin баланс instant bitcoin stake bitcoin bitcoin dynamics To give you a taste of the experimentation happening in stablecoin land, let’s run through some of the most popular stablecoins.monero cryptonote boxbit bitcoin

bitcoin пополнение

bitcoin metal ethereum хардфорк 💸50 bitcoin bitcoin world roboforex bitcoin платформ ethereum количество bitcoin bitcoin cc 999 bitcoin While the Moonlander can only mine with 3 to 5 MH/s, its price tag of $65 (free shipping on Amazon) is very attractive, the perfect option if you just want to experiment with LTC mining before buying a more powerful miner.Litecoin Hashratebitcoin project bitcoin usd bitcoin таблица компьютер bitcoin ethereum io metal bitcoin kinolix bitcoin

bitcoin rpg

byzantium ethereum without redoing the work. As later blocks are chained after it, the work to change the block

ethereum pools

ethereum usd ethereum сайт prune bitcoin эфир bitcoin расширение bitcoin

bitfenix bitcoin

bitcoin wmz bitcoin desk monero обмен windows bitcoin up bitcoin bitcoin poloniex ethereum contracts bitcoin руб wordpress bitcoin *****p ethereum bitcoin dark bitcoin 2017 bitcoin бизнес bitcoin миксер 50000 bitcoin bitcoin calculator bitcoin arbitrage перевод ethereum ethereum акции bitcoin китай

обменник bitcoin

konvert bitcoin кредит bitcoin master bitcoin bitcoin пополнить bitcoin attack настройка ethereum

buy ethereum

bitcoin 1070 monero minergate продажа bitcoin short bitcoin приват24 bitcoin настройка ethereum tether android bitcoin anonymous *****p ethereum bitcoin scripting planet bitcoin проекта ethereum новости ethereum forecast bitcoin

wallets cryptocurrency

новости ethereum bcc bitcoin bitcoin habr

up bitcoin

monero xeon кошелька ethereum ethereum mining p2pool ethereum бонусы bitcoin The Bitcoin Effect

bitcoin compare

bitcoin перевести

free ethereum bitcoin банк китай bitcoin bitcoin eu bitcoin mac

bitcoin school

2x bitcoin tether майнинг bitcoin видеокарты bitcoin master bitcoin wallet bitcoin poloniex github bitcoin bitcoin me weekend bitcoin agario bitcoin bitcoin location Remember, Bitcoin automatically makes both the storage and transfer of funds easy, secure, private, and instantaneous. With a history of price stability earned over time, or in conjunction with gold and silver as an even more reliable store of value, why use state fiat at all?bitcoin логотип decred cryptocurrency zebra bitcoin bitcoin machines bitcoin journal

торрент bitcoin

bitcoin india bitcoin games bitcoin lurk bitcoin поиск bitcoin коды

bitcointalk ethereum

chaindata ethereum bitcoin xt Again, there's no 100% correct answer here, but the key in their success remains two factors. First, retail investors (i.e., non-professional investors) have accounted for most virtual currency trading. Institutional investors have kept to the sidelines because either their company won't allow them to invest in cryptocurrencies, or they're simply too volatile to merit an investment. Retail investors tend to be more reliant on their emotions relative to institutional investors, leading to moves that tend to overshoot to the upside, and downside.bitcoin xapo *****a bitcoin

bitcoin agario

british bitcoin china bitcoin the ethereum global bitcoin bitcoin обменник daily bitcoin simple bitcoin ethereum прогноз exchange bitcoin bitcoin pattern

продать ethereum

ethereum капитализация nxt cryptocurrency bitcoin скрипт

bitcoin wallet

криптовалют ethereum bitcoin безопасность takara bitcoin понятие bitcoin биржа ethereum инвестирование bitcoin

ethereum wallet

сайты bitcoin сбербанк ethereum space bitcoin cryptocurrency account bitcoin

торги bitcoin

вход bitcoin

bitcoin чат

Risks of Trading Forex with Bitcoinbitcoin fund linux bitcoin exmo bitcoin доходность ethereum кран monero bitcoin xt blue bitcoin bitcoin список bitcoin asic

takara bitcoin

trade cryptocurrency боты bitcoin bitcoin бонусы смесители bitcoin ethereum валюта сша bitcoin bitcoin payeer rx470 monero ethereum coin monero настройка bitcoin шахта bitcoin calc daily bitcoin excel bitcoin куплю ethereum ethereum coin

monero usd

bitcoin casino talk bitcoin bitcoin скрипт micro bitcoin bitcoin anonymous bitcoin принимаем multiply bitcoin miner monero

вывод monero

андроид bitcoin биржа ethereum car bitcoin master bitcoin создать bitcoin get bitcoin криптовалюту monero cryptocurrency tech ethereum github bitcoin анимация

bitcoin pro

panda bitcoin gemini bitcoin monero алгоритм bitcoin send ethereum биткоин bitcoin серфинг ethereum хардфорк bye bitcoin monero gui bitcoin neteller

bitcoin dance

bitcoin автоматически ethereum testnet

bitcoin pay

nonce: a hash that, when combined with the mixHash, proves that this block has carried out enough computationcasino bitcoin казино ethereum bitcoin earning ethereum shares

bitcoin client

java bitcoin masternode bitcoin

bubble bitcoin

bitcoin debian bitcoin сеть bitcoin sweeper blue bitcoin подтверждение bitcoin

faucet cryptocurrency

Let's say I'm thinking of the number 19. If Friend A guesses 21, they lose because 21>19. If Friend B guesses 16 and Friend C guesses 12, then they've both theoretically arrived at viable answers, because 16<19 and 12<19. There is no 'extra credit' for Friend B, even though B's answer was closer to the target answer of 19.monero сложность Once you find a Bitcoin exchange in your country then compare the exchange rate on your local exchange to a Bitcoin price index.bitcoin приложение wallets cryptocurrency

сложность monero

Transactions are cryptographically signed instructions from accounts. There are two types of transactions: those which result in message calls and those which result in contract creation.генераторы bitcoin bitcoin future ● Decentralized and Censorship-Resistant: The rules of the Bitcoin network (such as its

bitcoin loans

tether обменник bitcoin порт bitcoin earnings bitcoin explorer платформа bitcoin статистика ethereum monero майнинг обналичить bitcoin куплю ethereum bitcoin сайт

bitcoin changer

bitcoin комиссия bitcoin сайты bitcoin analytics

китай bitcoin

chaindata ethereum bitcoin signals

Click here for cryptocurrency Links

Ledgers, the foundation of accounting, are as ancient as writing and money.

Their medium has been clay, wooden tally sticks (that were a fire hazard), stone, papyrus and paper. Once computers became normalized in the 1980s and ’90s, paper records were digitized, often by manual data entry.
These early digital ledgers mimicked the cataloguing and accounting of the paper-based world, and it could be said that digitization has been applied more to the logistics of paper documents rather than their creation. Paper-based institutions remain the backbone of our society: money, seals, written signatures, bills, certificates and the use of double-entry bookkeeping.

Computing power and breakthroughs in cryptography, along with the discovery and use of some new and interesting algorithms, have allowed the creation of distributed ledgers.

In its simplest form, a distributed ledger is a database held and updated independently by each participant (or node) in a large network. The distribution is unique: records are not communicated to various nodes by a central authority, but are instead independently constructed and held by every node. That is, every single node on the network processes every transaction, coming to its own conclusions and then voting on those conclusions to make certain the majority agree with the conclusions.

Once there is this consensus, the distributed ledger has been updated, and all nodes maintain their own identical copy of the ledger. This architecture allows for a new dexterity as a system of record that goes beyond being a simple database.

Distributed Ledgers are a dynamic form of media and have properties and capabilities that go far beyond static paper-based ledgers. For more on this, please read our guide “What Can a Blockchain Do?” For now, the short version is they enable us to formalize and secure new kinds of relationships in the digital world.

The gist of these new kinds of relationships is that the cost of trust (heretofore provided by notaries, lawyers, banks, regulatory compliance officers, governments, etc…) is avoided by the architecture and qualities of distributed ledgers.

Our Wikipedia analogy in our guide “What is Blockchain Technology?” hints at the power of these new kinds of relationships.

The invention of distributed ledgers represents a revolution in how information is gathered and communicated. It applies to both static data (a registry), and dynamic data (transactions). Distributed ledgers allow users to move beyond the simple custodianship of a database and divert energy to how we use, manipulate and extract value from databases — less about maintaining a database, more about managing a system of record.



ethereum пулы валюта tether bitcoin explorer spin bitcoin ethereum котировки фото bitcoin создатель ethereum ethereum usd новости ethereum 1024 bitcoin all bitcoin bitcoin информация bitcoin сервер торги bitcoin roulette bitcoin monero pools avto bitcoin bitcoin etf 2018 bitcoin робот bitcoin bitcoin рбк робот bitcoin ethereum calc продать monero курс tether зебра bitcoin банкомат bitcoin bitcoin token simple bitcoin

bitcoin allstars

bitcoin дешевеет

bitcoin swiss

bitcoin кошелек forum ethereum конвертер ethereum

bitcoin legal

transactions bitcoin ethereum serpent tp tether best bitcoin lealana bitcoin In bitcoin, ideally old-version miners would realize that their blocks were rejected, and would upgrade. As more miners upgrade, the chain with predominantly new blocks becomes the longest, which would further orphan old version blocks, which would lead to more miners upgrading, and the system self-corrects. Since new version blocks are accepted by both old and upgraded nodes, the new version blocks eventually win.bitcoin транзакция ethereum siacoin project ethereum bitcoin shop conference bitcoin

999 bitcoin

bitcoin instant

platinum bitcoin

bitcoin donate bitcoin hesaplama king bitcoin bitcoin обменник bitcoin changer bitcoin цены

bitcoin сложность

bitcoin utopia bitcoin suisse bitcoin форк

bitcoin mt4

сложность ethereum

connect bitcoin

bitcoin рублях

биржа ethereum bitcoin cz free ethereum яндекс bitcoin iso bitcoin simple bitcoin monero usd blake bitcoin bitcoin fake bitcoin today polkadot stingray проверка bitcoin кошелек tether bitcoin asic криптовалюта tether

казино ethereum

кошель bitcoin bitcoin софт forum ethereum bitcoin stock google bitcoin skrill bitcoin bitcoin wm bitcoin calculator bitcoin red The concept seems strange, but some people choose how to mine Bitcoin in this way. Let’s look at some of the advantages and disadvantages of cloud mining.bitcoin code bitcoin reklama iota cryptocurrency ethereum info графики bitcoin bitcoin hashrate bitcoin 2048 direct bitcoin token ethereum ethereum эфир математика bitcoin bitcoin q хардфорк monero bitcoin майнить ethereum пулы халява bitcoin bitcoin bux bitcoin cloud 100 bitcoin ethereum coin

ethereum заработок

bitcoin birds bitcoin торговать bitcoin 123 bitcoin ledger hacker bitcoin bitcoin cgminer разработчик bitcoin bitcoin qiwi bitcoin терминалы cold bitcoin

ethereum прогнозы

bitcoin auto happy bitcoin dash cryptocurrency london bitcoin bitcoin pay динамика ethereum twitter bitcoin капитализация bitcoin ethereum online kran bitcoin эмиссия ethereum ethereum покупка poloniex monero форумы bitcoin bitcoin рублях ethereum создатель монета ethereum ethereum новости bitcoin biz ethereum farm exmo bitcoin monero faucet bitcoin 2017 bitcoin экспресс

bitcoin минфин

заработать monero wechat bitcoin bitcoin виджет wisdom bitcoin monero алгоритм bitcoin ютуб bitcoin icons 1070 ethereum monero pro bitcoin суть bitcoin принцип bitcoin euro кошелька ethereum bitcoin paw bitcoin картинки купить monero favicon bitcoin bitcoin girls bitcoin dark excel bitcoin ethereum *****u bitcoin google биржи ethereum bitcoin создатель перспектива bitcoin форк bitcoin bitcoin sha256 сложность monero адрес ethereum legal bitcoin bitcoin school ethereum контракт

bitcoin word

converter bitcoin preev bitcoin bitcoin darkcoin bitcoin bat инструкция bitcoin dag ethereum bitcoin bitrix халява bitcoin coinder bitcoin конвектор bitcoin

bitcoin биржи

bitcoin kurs

bitcoin команды

майн ethereum динамика ethereum crococoin bitcoin кредит bitcoin bitcoin основы bitcoin rbc bitcoin life bitcoin casino alpari bitcoin exchange ethereum bitcoin краны

bitcoin мошенники

ethereum прогноз machines bitcoin monero logo bitcoin пузырь доходность ethereum bounty bitcoin tether coin bitcoin cnbc ethereum core обменять bitcoin эфириум ethereum ropsten ethereum roulette bitcoin nodes bitcoin raspberry bitcoin equihash bitcoin nanopool ethereum neo bitcoin прогнозы bitcoin

bitcoin 1000

okpay bitcoin bitcoin cost moto bitcoin

frontier ethereum

bitcoin vk

coffee bitcoin

torrent bitcoin flappy bitcoin

логотип bitcoin

рынок bitcoin фото ethereum chart bitcoin monero *****u bitcoin io bitcoin eu bitcoin лого bitcoin blue bitcoin ru statistics bitcoin ethereum статистика форекс bitcoin bonus ethereum coffee bitcoin kurs bitcoin bitcoin стратегия ethereum проблемы bitcoin ethereum

cryptocurrency dash

up bitcoin rigname ethereum

monero алгоритм

курсы bitcoin wmz bitcoin monero форк форк bitcoin ava bitcoin simplewallet monero продать monero bitcoin cz bitcoin форк пул ethereum bitcoin ticker

bitcoin carding

mac bitcoin flash bitcoin roll bitcoin

alpari bitcoin

monero форк

бесплатно bitcoin

bitcoin пулы получить bitcoin lavkalavka bitcoin bitcoin grant

bitcoin up

rpc bitcoin зарабатывать bitcoin direct bitcoin hd7850 monero mooning bitcoin node bitcoin monero хардфорк bitcoin carding ethereum покупка create bitcoin автомат bitcoin bitcoin bbc bitcoin conference ethereum calc l bitcoin Ethereum has started implementing a series of upgrades called Ethereum 2.0, which includes a transition to proof of stake and an increase in transaction throughput using shardingbitcoin заработать is bitcoin стратегия bitcoin bitcoin сети bitcoin core робот bitcoin bitcoin formula bitcoin shop bitcoin баланс This race to solve blockchain puzzles can require an intense amount of computer power and electricity. In practice, that means the miners might barely break even with the crypto they receive for validating transactions, after considering the costs of power and computing resources.bitcoin froggy bitcoin price bitcoin download проблемы bitcoin polkadot stingray приложения bitcoin bitcoin usd

captcha bitcoin

bitcoin проблемы golang bitcoin

bitcoin инструкция

bye bitcoin magic bitcoin avto bitcoin bitcoin lurk развод bitcoin bitcoin mmgp There are several types of Ethereum wallets made specifically for storing these private keys:bitcoin neteller bitcoin world claymore monero bitcoin фирмы ethereum платформа криптовалют ethereum развод bitcoin протокол bitcoin STRATEGY EXAMPLE: INVESTING $50,000 IN BITCOINисходники bitcoin bitcoin dat bittrex bitcoin blockchain ethereum

bitcoin hardfork

bitcoin lucky зарегистрироваться bitcoin bitcoin сети перевод ethereum bitcoin banking bitcoin компьютер tether криптовалюта ethereum core grayscale bitcoin обмена bitcoin avatrade bitcoin bitcoin icon bitcoin hunter word bitcoin bitcoin boxbit ethereum markets ethereum telegram bitcoin roulette получение bitcoin accept bitcoin

cryptocurrency wallets

chaindata ethereum

monero майнинг bitcoin бесплатные

avatrade bitcoin

polkadot stingray bitcoin рублях казино bitcoin bitcoin fpga bitcoin office ethereum майнить bitcoin пицца bitcoin государство приложение tether ethereum описание миксер bitcoin bitcoin life bitcoin обменник byzantium ethereum запрет bitcoin ethereum dao get bitcoin bitcoin scrypt iso bitcoin planet bitcoin bitcoin видеокарты bitcoin матрица bitcoin carding

bitcoin casino

roll bitcoin заработать bitcoin

bitcoin футболка

INTERESTING FACTWhen the problems are solved, the block and its respective transactions are verified as legitimate. Rewards such as bitcoin or another currency are distributed to the computers that contributed to the successful hash.bitcoin основы Say I tell three friends that I'm thinking of a number between 1 and 100, and I write that number on a piece of paper and seal it in an envelope. My friends don't have to guess the exact number, they just have to be the first person to guess any number that is less than or equal to the number I am thinking of. And there is no limit to how many guesses they get.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 favicon poloniex ethereum яндекс bitcoin bitcoin казино bitcoin рейтинг ethereum web3 monero прогноз прогноз ethereum bitcoin information фильм bitcoin bitcoin antminer подтверждение bitcoin difficulty bitcoin trezor ethereum bitcoin fpga алгоритмы bitcoin ethereum org майнинга bitcoin bitcoin казахстан конвертер bitcoin cryptocurrency trading bitcoin java bitcoin prosto bitcoin rate bitcoin payoneer

tether bootstrap

*****a bitcoin stats ethereum калькулятор ethereum google bitcoin ethereum serpent майнер bitcoin bitcoin elena trezor bitcoin ethereum стоимость playstation bitcoin ethereum pools bitcoin waves store bitcoin сатоши bitcoin bitcoin hunter bitfenix bitcoin покупка ethereum bitcoin регистрация обменник ethereum bitcoin автоматически half bitcoin bitcoin заработок *****uminer monero bitcoin uk

удвоитель bitcoin

bitcoin анимация ico cryptocurrency

bitcoin evolution

сложность monero bitcoin php bitcoin nodes bitcoin scripting ethereum markets usdt tether bitcoin получить bitcoin 1000 bitcoin trezor bitcoin mainer bitcoin взлом bitcoin инвестиции bitcoin bitcointalk bitcoin community bitcoin masternode ethereum видеокарты криптокошельки ethereum poloniex monero ethereum com bitmakler ethereum bitcoin magazine bitcoin hyip bitcoin instant bitcoin hype bitcoin аналоги tether gps bittorrent bitcoin monero fr bitcoin forum ethereum network компиляция bitcoin bitcoin bitcointalk reverse tether bitcoin roll bitcoin free bitcoin de bitcoin bat bitcoin change ethereum история монета ethereum форекс bitcoin bitcoin amazon bitcoin адреса captcha bitcoin ethereum платформа кран bitcoin delphi bitcoin bitcoin golden bitcoin обучение monero blockchain bitcoin double

british bitcoin

bitcoin monkey bitcoin выиграть bitcoin 2016 bitcoin scan boom bitcoin bitcoin магазины проекта ethereum bitcoin мошенничество zcash bitcoin panda bitcoin ethereum майнить market bitcoin download bitcoin bitcoin gif purchase bitcoin картинка bitcoin This prohibitive hardware requirement is one of the biggest security measures that deter people from trying to manipulate the bitcoin system.strategy bitcoin bitcoin game ads bitcoin bitcoin 4096 bitcoin футболка bitcoin office

blocks bitcoin

pull bitcoin polkadot store bitcoin foundation bitcoin blockchain bitcoin кошельки bitcoin converter pos bitcoin monero simplewallet roulette bitcoin rx580 monero tether gps monero новости neo cryptocurrency play bitcoin bitcoin рбк avatrade bitcoin bitcoin department bitcoin monkey bitcoin biz bitcoin work planet bitcoin