What is Bitcoin?
With the Bitcoin price so volatile everyone is curious. Bitcoin, the category creator of blockchain technology, is the World Wide Ledger yet extremely complicated and no one definition fully encapsulates it. By analogy it is like being able to send a gold coin via email. It is a consensus network that enables a new payment system and a completely digital money.
It is the first decentralized peer-to-peer payment network that is powered by its users with no central authority or middlemen. Bitcoin was the first practical implementation and is currently the most prominent triple entry bookkeeping system in existence.
Beware of the confusingly similar Bcash, BCH, Bitcoin Cash project.
Who created Bitcoin?
The first Bitcoin specification and proof of concept was published in 2009 by an unknown individual under the pseudonym Satoshi Nakamoto who revealed little about himself and left the project in late 2010. The Bitcoin community has since grown exponentially.
Satoshi's anonymity often raises unjustified concerns because of a misunderstanding of Bitcoin's open-source nature. Everyone has access to all of the source code all of the time and any developer can review or modify the software code. As such, the identity of Bitcoin's inventor is probably as relevant today as the identity of the person who invented paper.
Who is involved in Bitcoin?
Over $1B of investment into Bitcoin and blockchain companies has taken place resulting in thousands of companies and hundreds of thousands of individuals involved from around the world.
Who controls the Bitcoin network?
Nobody owns the Bitcoin network much like no one owns the technology behind email or the Internet. Bitcoin transactions are verified by Bitcoin miners which has an entire industry and Bitcoin cloud mining options. While developers are improving the software they cannot force a change in the Bitcoin protocol because all users are free to choose what software and version they use.
In order to stay compatible with each other, all users need to use software complying with the same rules. Bitcoin can only work correctly with a complete consensus among all users. Therefore, all users and developers have a strong incentive to protect this consensus.
How does Bitcoin work?
From a user perspective, Bitcoin is nothing more than a mobile app or computer program that provides a personal Bitcoin wallet and enables a user to send and receive bitcoins.
Behind the scenes, the Bitcoin network is sharing a massive public ledger called the "block chain". This ledger contains every transaction ever processed which enables a user's computer to verify the validity of each transaction. The authenticity of each transaction is protected by digital signatures corresponding to the sending addresses therefore allowing all users to have full control over sending bitcoins.
Thus, there is no fraud, no chargebacks and no identifying information that could be compromised resulting in identity theft. To learn more about Bitcoin, you can consult the original Bitcoin whitepaper, read through the extremely thorough Frequently Asked Questions, listen to a Bitcoin podcast or read the latest Bitcoin news.
Sponsors for free Bitcoins
Many people new to Bitcoin are curious about how to get some. Bitcoin faucets, places where bitcoins are given away for free, have been a part of spreading Bitcoin since the earliest days. But one problem is running out of bitcoins to give! That is why we have figured out a sustainable way to give away free bitcoins with sponsors.
fpga ethereum bitcoin футболка
тинькофф bitcoin
bitcoin nyse кошельки ethereum bitcoin payoneer кошелька bitcoin автомат bitcoin майнер ethereum To understand the foundations of crypto finance technology, you first need to know what Bitcoin is – and why it exists.se*****256k1 bitcoin bitcoin visa bitcoin youtube bcc bitcoin bitcoin cny
bitcoin пополнить
bitcoin книги bitcoin pay flash bitcoin king bitcoin bitcoin debian bitcoin token стоимость monero tether скачать china bitcoin
bitcoin pdf monero pools moneypolo bitcoin lottery bitcoin bitcoin knots bittorrent bitcoin 4pda tether bitcoin payza tether mining
bitcoin donate bitcoin usd бонусы bitcoin bitcoin официальный bitcoin betting bitcoin fpga bitcoin транзакция usb bitcoin project ethereum bitcoin банкомат bitcoin greenaddress
bitcoin mt4 sberbank bitcoin bitcoin 2016 bitcoin cgminer bitcoin nyse *****a bitcoin erc20 ethereum bloomberg bitcoin monero cryptonote
bitcoin scam bitcoin nvidia автомат bitcoin ethereum покупка bitcoin вклады майнить bitcoin андроид bitcoin reverse tether bitcoin qr bitcoin cost
bitcoin adress machine bitcoin реклама bitcoin сбербанк bitcoin daemon monero bitcoin ключи транзакции monero ethereum bitcointalk blacktrail bitcoin cryptocurrency это bitcoin серфинг http bitcoin bitcoin galaxy bitcoin synchronization bitcoin bcc ethereum info cryptocurrency analytics bitcoin node monero форк bitcoin gold bitcoin it ethereum добыча bitcoin trade bitcoin apple monero пулы исходники bitcoin bitcoin прогнозы программа ethereum кошелек bitcoin падение ethereum dapps ethereum by bitcoin переводчик bitcoin ethereum chaindata circle bitcoin flash bitcoin bitcoin проверить bitcoin machine all cryptocurrency neo bitcoin bitcoin data monero transaction bitcoin обзор bonus bitcoin bitcoin bcc bitcoin signals 2018 bitcoin polkadot store The electricity the hacker needs to solve the problem costs more than what the Bitcoin in the block is worth;Only Bob can do this because only he has the private key that can create a valid signature for the transaction.bitcoin mail
4pda bitcoin cryptocurrency gold bitcoin зарегистрироваться icons bitcoin kong bitcoin казино ethereum проекта ethereum bitcoin vip bitcoin цена ethereum контракт
bitcoin хайпы bitcoin motherboard калькулятор monero loans bitcoin bitcoin ротатор air bitcoin оборот bitcoin ethereum краны monero node monero 1060 bitcoin форки вывести bitcoin
polkadot bitcoin yandex bitcoin synchronization bitcoin etf ставки bitcoin bitcoin frog bitcoin paw конвертер bitcoin
bitcoin доходность bitcoin комментарии
seed bitcoin bitcoin blog bitcoin окупаемость legal bitcoin
ethereum пулы сервер bitcoin
ethereum видеокарты The Commodities Futures Trading Commission (CFTC) has a bigger potential footprint in bitcoin regulation, given its designation of the cryptocurrency as a 'commodity.' While it has yet to draw up comprehensive bitcoin regulations, its recent efforts have focused on monitoring the nascent futures market. It has also filed charges in several bitcoin-related schemes, which underlines its intent to exercise jurisdiction over cryptocurrencies whenever it suspects there may be fraud.bitcoin poloniex bitcoin vector monero wallet bitcoin monkey
pirates bitcoin bitcoin ethereum time bitcoin ethereum io bitcoin оборот bcc bitcoin bitcoin wmx ethereum mine bitcoin теория ethereum капитализация bitcoin rigs bitcoin charts токен bitcoin bitcoin grafik mastering bitcoin создать bitcoin ethereum dark
эпоха ethereum создатель ethereum invest bitcoin poker bitcoin All these incidents and the public panic that ensued drove the value of bitcoins versus fiat currencies down rapidly. However, bitcoin-friendly investors viewed those events as evidence that the market was maturing, driving the value of bitcoins versus the dollar markedly back up in the short period immediately following the news events. airbit bitcoin
monero poloniex ethereum 1070 bitcoin goldman ethereum io gek monero ethereum miners bitcoin login
xmr monero кошелек bitcoin
ann monero
bitcoin school monero fork ethereum transaction bitcoin png bitcoin trezor alpha bitcoin bitcoin pps ethereum addresses
автомат bitcoin bitcoin футболка
monero windows bitcoin приложения
0 bitcoin бумажник bitcoin nodes bitcoin
xbt bitcoin zona bitcoin майнинг bitcoin monero windows миллионер bitcoin bitcoin автосерфинг bitcoin перспективы 2016 bitcoin ethereum википедия ethereum web3 Late in 2017, a senior official from Zimbabwe’s central bank stated that bitcoin was not 'actually legal.' While the extent to which it can and cannot be used is not yet clear, the central bank is apparently undertaking research to determine the risks. CoinDesk recently produced a podcast series about the future of bitcoin in Africa, including in Zimbabwe. In 2009, Satoshi Nakamoto launched bitcoin as the world’s first cryptocurrency. The code is open source, which means it can be modified by anyone and freely used for other projects. Many cryptocurrencies have launched with modified versions of this code, with varying levels of success.Crypto trading should be used as a way to support the technology and not as a quick way to get rich!bitcoin fan основатель bitcoin ethereum контракты компания bitcoin bitcoin лайткоин ethereum swarm daemon monero bitcoin wmx bestexchange bitcoin вложения bitcoin ethereum addresses криптовалюту bitcoin the ethereum Precious metals: Some cryptocurrencies are tied to the value of precious metals such as gold or silver.bitcoin отзывы добыча bitcoin jaxx bitcoin bitcoin 123 dog bitcoin forex bitcoin bitcoin отзывы cryptocurrency charts статистика ethereum ethereum core greenaddress bitcoin bitcoin magazin bitcoin sweeper ethereum клиент exchange cryptocurrency inside bitcoin q bitcoin bitcoin primedice bitcoin box основатель ethereum bitcoin bitcoin options
ann ethereum
bitcoin анализ escrow bitcoin bitcoin тинькофф bitcoin fox bitcoin rotator tether js bitcoin настройка bitcoin эфир bitcoin eobot bitcoin all microsoft ethereum отзыв bitcoin ethereum pos bitcoin fast india bitcoin сервера bitcoin ethereum vk bitcoin миллионер bitcoin отзывы ethereum курсы
bitcoin команды bitcoin pps reddit cryptocurrency падение ethereum bitcoin legal bitcoin оборот
ru bitcoin bitcoin перспективы отзыв bitcoin bitcoin терминал бесплатные bitcoin бонус bitcoin pirates bitcoin monero proxy перевести bitcoin ethereum info Allows transactions across multiple cryptocurrencies. This helps you do easy currency conversions.bitcoin bitrix programming bitcoin bitcoin doubler bitcoin bitrix roulette bitcoin bitrix bitcoin bitcoin падение monero обменник bitcoin trezor bitcoin hub wallet cryptocurrency de bitcoin prune bitcoin trader bitcoin cryptocurrency charts
1000 bitcoin bitcoin шифрование bitcoin landing bitcoin калькулятор bitcoin change обзор bitcoin tether gps bitcoin world теханализ bitcoin bitcoin магазин
проверка bitcoin bitcoin neteller 123 bitcoin monero ann ethereum клиент wallets cryptocurrency
The fundamental challenge of any social system is that people are inclined to break the rules when it’s profitable and expedient. Unlike present-day financial systems, which are hemmed in by laws and conventions, the Bitcoin system formalizes human rules into a software network. But how does the system prevent human engineers from changing this system over time to benefit themselves?bitcoin accelerator настройка bitcoin bitcoin rotator bitcoin linux перевод ethereum decred cryptocurrency casino bitcoin
биржа ethereum
видеокарты ethereum ethereum php bitcoin карты dapps ethereum half bitcoin equihash bitcoin bitcoin ethereum kurs bitcoin Mobile onlybitcoin kurs bitcoin bloomberg bitcoin заработок korbit bitcoin
bitcoin pay рост ethereum bitcoin приложения bitcoin реклама bitcoin usa форк bitcoin
автомат bitcoin зарегистрироваться bitcoin криптовалюту bitcoin криптовалюта tether bitcoin презентация ethereum os ethereum описание express bitcoin usb bitcoin калькулятор ethereum monero miner ethereum 1070 bitcoin org calculator ethereum bitcoin genesis bitcoin анализ bitcoin unlimited The text refers to a headline in The Times published on 3 January 2009. This note has been interpreted as both a timestamp of the genesis date and a derisive comment on the instability caused by fractional-reserve banking.:18Touchscreen user interfaceсложность bitcoin asics bitcoin 1080 ethereum
bitcoin деньги фонд ethereum кошелек monero bitcoin 3 портал bitcoin ethereum продать bitcoin register bitcoin simple bitcoin heist
bitcoin перевод ethereum обменники monero pro abi ethereum froggy bitcoin будущее bitcoin cardano cryptocurrency bitcoin legal bitcoin реклама block ethereum explorer ethereum продать ethereum ico bitcoin bitcoin суть хайпы bitcoin antminer bitcoin кошельки ethereum ethereum калькулятор bitcoin calc видео bitcoin токен bitcoin invest bitcoin платформу ethereum ethereum 4pda Bitcoin vs. Ethereumbitcoin установка bitcoin aliens cryptocurrency reddit konverter bitcoin bitcoin carding bitcoin tm
Compare Crypto Exchanges Side by Side With Othersbitcoin click cryptocurrency magazine monero client bitcoin капитализация time bitcoin ethereum twitter etf bitcoin bitcoin money my ethereum In other words, suppose that the Bitcoin network is limited to 250 transactions per minute, which is low. Those transactions could average $100 or $1 million, or any number. If they average $100 each, it means only $25,000 in transaction value is performed per minute. If they average $1 million each, it means $250 million in transaction value is performed per minute. If Bitcoin grows in use as a store of value, the transaction fees and inherent limitations prioritize the largest and most important transactions: the major settlement transactions.Upon suitable verification and authentication of the transaction by the decentralized Ripple network, Paul will receive the XRP tokens. He will have the option to convert it back to USD's or any other currency of his choice, or even retain it as XRP tokens. The verification process is faster than those of bitcoin and traditional money transfer systems.5видео bitcoin ethereum chaindata
проекта ethereum bitcoin запрет
bitcoin алматы
kinolix bitcoin usdt tether теханализ bitcoin best bitcoin maps bitcoin
bitcoin timer bitcoin crash арбитраж bitcoin monero майнеры обменять ethereum форумы bitcoin
zcash bitcoin
bitcoin расшифровка
я bitcoin bitcoin plugin get bitcoin up bitcoin
bitcoin пул bitcoin aliexpress bitcoin монет cranes bitcoin ethereum contract checker bitcoin bitcoin millionaire ethereum обозначение bitcoin protocol dat bitcoin ico cryptocurrency
bitcoin pps register bitcoin карта bitcoin bitcoin masters bitcoin start bitcoin torrent cryptocurrency ann monero кредит bitcoin bitcoin rpg forex bitcoin cryptocurrency calculator bitcoin news metatrader bitcoin
bitcoin change программа tether hourly bitcoin иконка bitcoin hash bitcoin bitcoin пицца bitcoin фильм monero minergate roll bitcoin
bitcoin rotators bitcoin service roboforex bitcoin bitcoin подтверждение bitcoin 99 In March, the bitcoin transaction log, called the blockchain, temporarily split into two independent chains with differing rules on how transactions were accepted. For six hours two bitcoin networks operated at the same time, each with its own version of the transaction history. The core developers called for a temporary halt to transactions, sparking a sharp sell-off. Normal operation was restored when the majority of the network downgraded to version 0.7 of the bitcoin software. The Mt. Gox exchange briefly halted bitcoin deposits and the exchange rate briefly dipped by 23% to $37 as the event occurred before recovering to previous level of approximately $48 in the following hours. In the US, the Financial Crimes Enforcement Network (FinCEN) established regulatory guidelines for 'decentralized virtual currencies' such as bitcoin, classifying American bitcoin miners who sell their generated bitcoins as Money Service Businesses (or MSBs), that may be subject to registration and other legal obligations.generator bitcoin tether usdt xbt bitcoin хешрейт ethereum
новости bitcoin bitcoin moneybox Compatibility for the winзарабатывать bitcoin tera bitcoin abi ethereum
bitcoin bitrix bitcoin buying topfan bitcoin bitcoin novosti кошель bitcoin bitcoin видеокарты clicks bitcoin bitcoin вывести bitcoin видеокарты математика bitcoin bitfenix bitcoin bitrix bitcoin bitcoin 50 вложения bitcoin nanopool monero пул monero 1000 bitcoin bitcoin стратегия x bitcoin ethereum addresses шифрование bitcoin ethereum chart bitcoin preev
фарминг bitcoin Before we get some ether, we need a place to put it. This brings us to the idea of an Ethereum 'wallet.' Like its real-world counterpart, an ethereum wallet is made for storing value. (It is common practice to use lower case for 'ethereum' or 'ether' when referring to the currency, but upper for the network or protocol.)ann bitcoin bitcoin core кости bitcoin обмен ethereum обмен tether обмен tether reddit ethereum bitcoin sha256 исходники bitcoin bitcoin 100 bitcoin фарм
bitcoin suisse bitcoin mixer капитализация bitcoin отдам bitcoin bitcoin formula ethereum gas ethereum обозначение ethereum addresses bitcoin аналоги c bitcoin кости bitcoin bitcoin development bitcoin office bitcoin мошенничество bitcoin зебра bitcoin конвертер ethereum котировки программа tether robot bitcoin bitcoin безопасность why cryptocurrency bitcoin paypal ethereum обвал
monero faucet
nicehash bitcoin bitcoin etherium bitcoin donate forecast bitcoin chaindata ethereum bitcoin тинькофф Theft also occurs at sites where bitcoins are used to purchase illicit goods. In late November 2013, an estimated $100 million in bitcoins were allegedly stolen from the online illicit goods marketplace Sheep Marketplace, which immediately closed. Users tracked the coins as they were processed and converted to cash, but no funds were recovered and no culprits identified. A different black market, Silk Road 2, stated that during a February 2014 hack, bitcoins valued at $2.7 million were taken from escrow accounts.999 bitcoin bitcoin сервера p2pool monero bitcoin сервер bitcoin favicon алгоритмы ethereum email bitcoin mail bitcoin курса ethereum antminer ethereum bitcoin 20 view bitcoin armory bitcoin
bitcoin мониторинг bitcoin cash bitcoin cny magic bitcoin список bitcoin
краны monero ethereum ann bitcoin convert bitcoin ira nvidia monero wikileaks bitcoin bitcoin обозначение bitcoin cap bitcointalk monero описание bitcoin bitcoin paw ropsten ethereum mine ethereum ethereum gas abi ethereum цена ethereum casinos bitcoin уязвимости bitcoin icons bitcoin video bitcoin hosting bitcoin kurs bitcoin bitcoin карта краны monero монет bitcoin monero обменять the ethereum neo bitcoin приложения bitcoin bitcoin экспресс bitcoin passphrase monero dwarfpool cryptocurrency analytics daemon bitcoin coinder bitcoin asics bitcoin bitcoin qiwi bitcoin adress
monero 1070 bitcoin мастернода the ethereum bitcoin шрифт donate bitcoin bitcoin cli ферма bitcoin
bitcoin server отзывы ethereum bitcoin рухнул flappy bitcoin rx560 monero alien bitcoin ethereum проекты bitcoin keys bitcoin заработок bitcoin statistic cudaminer bitcoin difficulty bitcoin ethereum addresses bitcoin reddit bitcoin steam оплата bitcoin cryptocurrency wallets
перспективы ethereum monero майнинг coin bitcoin bitcoin uk акции ethereum monero купить tether обзор ethereum php кредит bitcoin bitcoin play
ethereum com кошелек bitcoin bitcoin котировки bitcoin страна coin bitcoin faucet ethereum bounty bitcoin автомат bitcoin bitcoin pps monero сложность mindgate bitcoin биржа monero bitcoin golden bitcoin express withdraw bitcoin bitcoin life de bitcoin icons bitcoin bitcoin программа bitcoin simple
ads bitcoin fasterclick bitcoin автосборщик bitcoin bitcoin сети microsoft bitcoin monero core bitcoin fpga
bitcoin onecoin bitcoin stock bitcoin javascript bitcoin сбербанк mining bitcoin bitcoin ebay bitcoin cz cryptocurrency trading трейдинг bitcoin bitcoin 100 location bitcoin ethereum bitcoin bitcoin вход bitcoin kran monero dwarfpool fork bitcoin monero ico bitcoin simple
криптовалюту bitcoin bitcoin asic майнер ethereum 1070 ethereum bitcoin википедия bitcoin выиграть сайте bitcoin bitcoin transaction Mining pools require less of each individual participant in terms of hardware and electricity costs and increase the chances of profitability. Whereas an individual miner might stand little chance of successfully finding a block and receiving a mining reward, teaming up with others dramatically improves the success rate.bitcoin серфинг казино ethereum decred cryptocurrency смесители bitcoin
майнинга bitcoin
ethereum debian новые bitcoin mooning bitcoin окупаемость bitcoin bitcoin коллектор протокол bitcoin monero usd ethereum dao bitcoin обвал top cryptocurrency bitcoin signals ethereum gold my ethereum транзакции bitcoin ethereum transactions
bitcoin кредит bitcoin links
лотерея bitcoin konvert bitcoin bitcoin fork бесплатно bitcoin tether android фермы bitcoin pro100business bitcoin ethereum телеграмм tether верификация local ethereum алгоритм bitcoin ethereum web3 config bitcoin bitcoin donate monero hashrate monero fr strategy bitcoin mine ethereum abi ethereum Both hot wallets and cold storage can be used together, just as a saving accounts and purse are often used by the same person. Cold storage funds are held securely, but are hard to access. Hot wallet funds are kept ready to spend at a moment’s notice, but are stored less securely.accepts bitcoin bitcoin миллионеры bitcoin kazanma bitcoin блоки top cryptocurrency topfan bitcoin bitcoin графики roll bitcoin
bitcoin conveyor ethereum pools bitcoin fan bitcoin explorer
bitcoin обозреватель withdraw bitcoin bitcoin fpga bitcoin nachrichten отзывы ethereum bitcoin bestchange trade cryptocurrency bitcoin создать xronos cryptocurrency ethereum видеокарты курсы bitcoin bitcoin удвоитель mine bitcoin bitcoin банкомат bitcoin start
billionaire bitcoin x bitcoin инструкция bitcoin акции bitcoin ico monero bitcoin price стратегия bitcoin bitcoin cards мавроди bitcoin bitcoin legal форум bitcoin андроид bitcoin auction bitcoin monero прогноз
bitcoin кран bitcoin счет bitcoin script bitcoin multiplier reward bitcoin bitcoin abc
ethereum info xmr monero bot bitcoin bitcoin заработок buy bitcoin
bitcoin free продать ethereum short bitcoin gui monero ethereum настройка wiki ethereum bitcoin goldmine добыча bitcoin tether программа ethereum капитализация bitcoin тинькофф перспектива bitcoin bitcoin алматы Open your mining software and check how many Megahashes per second it is doing (Mh/s).bitcoin security ethereum бесплатно bitcoin bounty презентация bitcoin ethereum цена abi ethereum пополнить bitcoin кости bitcoin купить monero криптовалюта tether пожертвование bitcoin bitcoin novosti bitcoin home
терминалы bitcoin bitcoin today Tradable just as all other cryptocurrencies are.exchange bitcoin bitcoin map bitcoin euro asics bitcoin charts bitcoin bitcoin group криптокошельки ethereum apk tether time bitcoin ethereum calculator bitcoin мерчант bitcoin favicon bitcoin котировка bitcoin ios bcc bitcoin bitcoin автоматический калькулятор monero email bitcoin bitcoin онлайн email bitcoin bitcoin galaxy
майн bitcoin bitcoin x2 micro bitcoin ethereum algorithm ethereum настройка автомат bitcoin monero rub прогноз ethereum bitcoin live ethereum ротаторы ethereum обвал
cryptocurrency trading cryptocurrency magazine miner bitcoin 1070 ethereum bitcoin сигналы ethereum solidity bitcointalk monero bitcoin kran ico ethereum ethereum myetherwallet
bitcoin котировки bitcoin script
оборудование bitcoin ethereum метрополис майн bitcoin testnet ethereum bitcoin 9000 bitcoin картинки майнинг tether bitcoin dollar salt bitcoin новости bitcoin widget bitcoin bitcoin fan coin bitcoin bitcoin оборудование the ethereum erc20 ethereum monero logo okpay bitcoin bitcoin start майнинг monero bitcoin пополнить
bitcoin today monero пулы Bitcoin Core is free and open-source software that serves as a bitcoin node (the set of which form the bitcoin network) and provides a bitcoin wallet which fully verifies payments. It is considered to be bitcoin's reference implementation. Initially, the software was published by Satoshi Nakamoto under the name 'Bitcoin', and later renamed to 'Bitcoin Core' to distinguish it from the network. It is also known as the Satoshi client.bitcoin magazin
пулы bitcoin
куплю bitcoin bitcoin халява bitcoin advcash 60 bitcoin программа tether ethereum 1070 habrahabr bitcoin bitcoin 4pda играть bitcoin 5 bitcoin ethereum stats auto bitcoin bitcoin capital 2018 bitcoin monero новости bistler bitcoin bitcoin ставки monero алгоритм ethereum btc pay bitcoin ethereum проекты bitcoin net bitcoin fork bitcoin machine bitcoin продать bitcoin компьютер платформы ethereum dorks bitcoin bitcoin автосерфинг приложение tether github ethereum addnode bitcoin monero обмен nova bitcoin bitcoin информация bitcoin explorer bitcoin conf
bitcoin grafik видео bitcoin fenix bitcoin Ethereum apps aim to give people more control over their online data. Using these apps is a matter of learning how to buy, store, and use its native token, ether. кран bitcoin ann ethereum
