Рейтинг Bitcoin



bitcoin торрент

monero ico

bitcoin compromised

bitcoin instaforex bitcoin auction bitcoin kaufen fake bitcoin project ethereum книга bitcoin secp256k1 bitcoin

casper ethereum

блоки bitcoin перспективы bitcoin statistics bitcoin платформы ethereum доходность bitcoin bitcoin blockchain bitcoin click bitcoin продам nodes bitcoin golden bitcoin tether пополнить количество bitcoin bitcoin шифрование blitz bitcoin bitcoin phoenix

ethereum swarm

настройка monero bitcoin реклама miner monero bitcoin location block bitcoin clame bitcoin cryptocurrency magazine algorithm bitcoin Credit cards offer important beneficial features, such as the ability to borrow money, protection against fraud, reward points, and vastly wider acceptance among merchants. While a few major retailers, including Overstock.com (OSTK) and Newegg, have started to accept bitcoin, most have yet to make it a payment option. However, using credit cards carries the risk of incurring late fees, interest charges, foreign transaction fees, and potentially adverse effects on your credit score.Benefits and Risks of Trading Forex With BitcoinWhisper is an encrypted messaging protocol that allows nodes to send messages directly to each other in a secure way and that also hides the sender and receiver from third party snoopers.

bitcoin eu

ethereum coin habrahabr bitcoin зарабатывать bitcoin

ios bitcoin

bitcoin japan bitcoin mining

bitcoin faucet

bitcoin сервисы xronos cryptocurrency yota tether майнеры monero

game bitcoin

10 bitcoin bitcoin spend bitcoin мерчант connect bitcoin bitcoin background bitcoin plugin loan bitcoin antminer bitcoin bitcoin habr linux ethereum продам bitcoin cryptocurrency tech список bitcoin bitcoin get

ethereum wallet

bitcoin сатоши bitcoin cnbc bitcoin testnet график ethereum вывод monero monero ico получить bitcoin blocks bitcoin bitcoin center будущее bitcoin tether android

bitcoin ico

ethereum пул

ethereum news

qiwi bitcoin продам bitcoin ethereum metropolis эмиссия ethereum хешрейт ethereum topfan bitcoin китай bitcoin byzantium ethereum bitcoin statistic pool bitcoin

bitcoin multibit

bitcoin google pos bitcoin bitcoin заработка fast bitcoin пример bitcoin bitcoin iq bitcoin machine bitcoin alert bitcoin официальный

mining bitcoin

ethereum биткоин bitcoin fan bitcoin коллектор mainer bitcoin bitcoin прогноз protocol bitcoin bag bitcoin ethereum com запуск bitcoin

boom bitcoin

mindgate bitcoin

обзор bitcoin abi ethereum bitcoin отзывы tether clockworkmod

bitcoin клиент

bitcoin vip bitcoin abc epay bitcoin

ethereum биржа

cryptocurrency capitalization Image for postmikrotik bitcoin tether пополнение майнер bitcoin bitcoin программирование bitcoin scam программа ethereum bitcoin carding bitcoin bounty bitcoin покупка bitcoin реклама

tether верификация

ethereum купить bitcoin friday bitcoin earning bitcoin рейтинг bio bitcoin clame bitcoin master bitcoin взлом bitcoin vk bitcoin ютуб bitcoin 0 bitcoin app bitcoin bitcoin exchanges bitcoin шахты кошельки bitcoin bitcoin книга metal bitcoin bitcoin комбайн

bitcoin мерчант

tether валюта lealana bitcoin

торрент bitcoin

fake bitcoin

bitcoin основы

форки ethereum bitcoin информация bitcoin mercado

github ethereum

запросы bitcoin bitcoin создать fire bitcoin bitcoin primedice bitcoin продам tether limited фото bitcoin автосборщик bitcoin golden bitcoin tether ico

buy tether

pay bitcoin invest bitcoin bitcoin пулы bitcoin лохотрон bitcoin 4000 bitcoin stock bitcoin кредит bitcoin vk ethereum вики claymore ethereum bitcoin шахта bitcoin автомат supernova ethereum Allows instant transactions across geographies. And these are barrier-free, without intermediaries.bitcoin knots bitcoin community book bitcoin vk bitcoin monero вывод payeer bitcoin график ethereum direct bitcoin криптовалюта tether

портал bitcoin

котировки ethereum bitcoin вебмани Transactions are grouped into blocks and then a string of characters must be guessed by the miners on the network. These characters are known as the 'hash' of the block. Each block contains the hash of the previous block, as well as a new hash that needs to be guessed.bitcoin майнер accepts bitcoin bitcoin отзывы создатель bitcoin monero прогноз fork bitcoin bitcoin комбайн

bitcoin flapper

bitcoin украина bitcoin capitalization

bitcoin registration

клиент bitcoin прогнозы bitcoin bitcoin сокращение bitcoin инструкция bitcoin автоматически bitcoin магазин autobot bitcoin

bitcoin бизнес

обвал ethereum bitcoin co bitcoin conf box bitcoin обмен monero wallet tether майнинга bitcoin bitcoin converter ethereum ротаторы bitcoin wm bitcoin gif loan bitcoin bitcoin список platinum bitcoin лото bitcoin bitcoin комиссия кости bitcoin таблица bitcoin monero xmr

bitcoin magazine

bitcoin client credit bitcoin Although cryptocurrency transactions are anonymous, the transactions may be posted to a public ledger, like Bitcoin’s blockchain. A blockchain is a public list of records that shows when someone transacts with cryptocurrency. Depending on the cryptocurrency, the information added to the blockchain can include information like the transaction amount. The information also can include the sender’s and recipient’s wallet addresses — a long string of numbers and letters linked to a digital wallet that stores cryptocurrency. Both the transaction amount and wallet addresses could be used to identify who the actual people using it are.видео bitcoin monero сложность ethereum info Economic Argument 2ethereum programming bitcoin sec bitcoin conveyor plus500 bitcoin calculator ethereum е bitcoin bitcoin вклады 1080 ethereum котировки ethereum weekend bitcoin bitcoin neteller ethereum contracts

пример bitcoin

ninjatrader bitcoin machine bitcoin bitcoin инструкция bitcoin talk

bitcoin обменять

bitcoin график bitcoin wmx No centralized controlbitcoin foundation bitcoin department faucet cryptocurrency пул ethereum ethereum explorer bistler bitcoin bank cryptocurrency bitcoin аналитика poloniex ethereum cryptocurrency logo currency bitcoin продам ethereum tor bitcoin bitcoin btc exchanges bitcoin bitcoin keywords protocol bitcoin ethereum transaction bitcoin перспективы отзывы ethereum casino bitcoin

ютуб bitcoin

dark bitcoin moneybox bitcoin kurs bitcoin dark bitcoin bitcoin download reklama bitcoin maps bitcoin код bitcoin multiply bitcoin wei ethereum

crococoin bitcoin

registration bitcoin bitcoin png fast bitcoin bitcoin euro tether bootstrap bitcoin get краны ethereum bitcoin cards pokerstars bitcoin

алгоритм monero

bitcoin masters ethereum сайт why cryptocurrency bitcoin cryptocurrency bitcoin минфин bitcoin клиент The first node to solve this problem gets new Bitcoins. Mining uses a lot of electricity, so the miners need to be rewarded!us bitcoin ninjatrader bitcoin bitcoin пул bitcoin goldmine ecopayz bitcoin bitcoin nyse bitcoin хешрейт conference bitcoin elysium bitcoin

rotator bitcoin

ethereum com future bitcoin wallet tether sell bitcoin bitcoin check bitcoin расшифровка сайте bitcoin

bitcoin mixer

ethereum stats all cryptocurrency cpa bitcoin electrum bitcoin что bitcoin bitcoin base monero usd demo bitcoin

analysis bitcoin

create bitcoin bitcoin crash

bitcoin зарегистрироваться

bitcoin crypto bitcoin ico вклады bitcoin difficulty monero bitcoin keys майнинга bitcoin форки ethereum

ethereum пулы

carding bitcoin bitcoin simple bitcoin протокол приложение tether best cryptocurrency ethereum dark bitcoin qiwi доходность ethereum

account bitcoin

ethereum упал bitcoin blocks windows bitcoin bitcoin antminer matteo monero cz bitcoin big bitcoin san bitcoin arbitrage bitcoin ethereum хардфорк monero прогноз bitcoin fortune bitcoin cap bitcoin vps банкомат bitcoin

cryptocurrency gold

circle bitcoin takara bitcoin обменник bitcoin pools bitcoin Refer to the video to see how a block is structured. The hash of the previous block, transaction data, and the nonce consolidate the header of the block. They are together passed through a hashing function and then the hash value is generated.Special Considerationsbitcoin bank bitcoin ios 10000 bitcoin обои bitcoin After 21 million coins are mined, no one will generate new blocksbitcoin комиссия bitcoin отзывы bitcoin conveyor

casinos bitcoin

monero прогноз ethereum chaindata ethereum classic bitcoin вебмани bitcoin pay

ethereum install

bitcoin grant ethereum addresses korbit bitcoin падение bitcoin криптовалюту bitcoin cryptocurrency calendar bitcoin лайткоин pow bitcoin ava bitcoin

direct bitcoin

bitcoin india The blockchain Bitcoin uses is supported by a consensus mechanism called 'Proof-of-Work' (PoW). The puzzle is so difficult that no human being could solve it on their own, which is why people need to use their computational power instead.lamborghini bitcoin bitcoin passphrase bitcoin сатоши oil bitcoin токен ethereum coingecko ethereum

miningpoolhub monero

byzantium ethereum ethereum chaindata bitcoin сбербанк

халява bitcoin

bitcoin nyse кошелька ethereum playstation bitcoin bitcoin spinner ethereum пулы security bitcoin bitcoin это

bitcoin мавроди

laundering bitcoin bitcoin tm genesis bitcoin bitcoin таблица Again, A is sending 0.0025 bitcoin, or BTC (approximately equivalent to 20 dollars) to B. This time, the transaction is recorded into a blockchain. Here, each node has a copy of the ledger (data), and cryptography protects transactions against any changes by making them immutable.999 bitcoin сайте bitcoin 16 bitcoin Bitcoin Cash is thus able to process transactions more quickly than the Bitcoin network, meaning that wait times are shorter and transaction processing fees tend to be lower. The Bitcoin Cash network can handle many more transactions per second than the Bitcoin network can. However, with the faster transaction verification time comes downsides as well. One potential issue with the larger block size associated with BCH is that security could be compromised relative to the Bitcoin network. Similarly, bitcoin remains the most popular cryptocurrency in the world as well as the largest by market cap, so users of BCH may find that liquidity and real-world usability is lower than for bitcoin.ethereum пул

bitcoin казино

ethereum raiden location bitcoin

bit bitcoin

ethereum stats куплю bitcoin A distributed ledger is a database that is shared among the users of the blockchain networkbitcoin xbt bitcoin крах bitcoin fees bitcoin зебра bitcoin обменник bitcoin wmx bitcoin монет direct bitcoin nya bitcoin bitcoin utopia block bitcoin bitcoin playstation bitcoin stellar bitcoin get график bitcoin bitcoin valet bitcoin online space bitcoin bitcoin dat torrent bitcoin магазин bitcoin bitcoin multisig bitcoin roll заработать bitcoin bitcoin widget bitcoin вконтакте paidbooks bitcoin bitcoin background взлом bitcoin bubble bitcoin cryptocurrency calculator bitcoin xt bitcoin knots bitcoin group bitcoin india bonus bitcoin armory bitcoin pos bitcoin exchange ethereum

bitcoin today

bitcoin casascius

tether валюта карта bitcoin пополнить bitcoin ethereum картинки In August 2018, the Bank of Thailand announced its plans to create its own cryptocurrency, the Central Bank Digital Currency (CBDC).

рубли bitcoin

bitcoin king bitcoin trading ethereum телеграмм ethereum продать ethereum project деньги bitcoin copay bitcoin trade bitcoin bitcoin суть ultimate bitcoin bitcoin зарегистрировать bitcoin проблемы ethereum node проект bitcoin ann ethereum bitcoin mt4 bitcoin миллионеры mac bitcoin ethereum обвал 100 bitcoin bitcoin обменник dat bitcoin ethereum programming wikipedia cryptocurrency рейтинг bitcoin

earn bitcoin

nanopool ethereum create bitcoin bitcoin poloniex 1 bitcoin Next, we’ll discuss what happens when a user sends a transaction to the Bitcoin network.bitcoin video bitcoin daily сети ethereum

bitcoin casascius

tether верификация ethereum платформа программа ethereum bitcoin получение bitcoin gif ethereum продам bitcoin карта bitcoin rt bitcoin maining wifi tether monero обмен обменник monero bitcoin 2000 bitcoin бесплатный

bitcoin goldman

bitcoin poloniex programming bitcoin инвестиции bitcoin cran bitcoin ethereum кошельки monero btc seed bitcoin gas ethereum monero bitcoin пирамида

cpa bitcoin

сложность monero

казино ethereum bitcoin 999 check bitcoin сети bitcoin coinder bitcoin tether программа ethereum stratum bitcoin программирование bitcoin перевод ethereum address

bitcoin перевод

bitcoin 123 bitcoin datadir

валюта monero

bitcoin nachrichten fire bitcoin bitcoin cryptocurrency bloomberg bitcoin

eth ethereum

обозначение bitcoin ethereum vk

bitcoin xpub

hashrate ethereum ethereum miners trinity bitcoin korbit bitcoin nodes bitcoin tether верификация

статистика ethereum

bitcoin miner ethereum сайт продам bitcoin динамика ethereum grayscale bitcoin polkadot cadaver grayscale bitcoin bitcoin lucky bitcoin 50 bitcoin терминалы зарабатывать bitcoin

cryptocurrency capitalisation

bitcoin qazanmaq

bitcoin 4000 parity ethereum all bitcoin bitcoin genesis bitcoin keywords p2pool bitcoin деньги bitcoin bitcoin usd hardware bitcoin ethereum валюта bitcoin сша bitcoin anonymous download tether bitcoin qr moneybox bitcoin ethereum асик продам ethereum new cryptocurrency

Click here for cryptocurrency Links

What is Cryptocurrency Mining?

Logan Ross
Contributor, Benzinga
January 19, 2021
Updated: January 26, 2021
Benzinga Money is a reader-supported publication. We may earn a commission when you click on links in this article. Learn more.
Want to jump straight to the answer? The best crypto platform for most people is definitely eToro.

You may have heard the term mining in relation to Bitcoin or cryptocurrency in general – but it isn’t quite obvious what it means in that context.

Mining in the crypto world is the process of keeping blockchain data in check. It involves hard work (done by computers) and results in a slow accumulation of resources – just like mining for minerals.

Anyone can become a miner, but mining is not for everyone. Over 70% of Bitcoin mining happens in China, where dirt cheap electricity makes running mining computers extremely profitable.

Should you become a miner? Or is there a better way to make money from mining?
Why Mine Cryptocurrency?
Before we dive into how mining works, let’s get some crypto basics out of the way.

The 1st important thing to keep in mind is that cryptocurrency transactions are recorded on a blockchain. A blockchain is a database shared by, and maintained by a community, as opposed to a centralized entity.

Blockchain. An umbrella term for a variety of technologies that distribute control across a large network of individual actors for security purposes.
Decentralized. Anything that is not controlled by a single, central entity or group.
Mining is the term used for the process of validating and recording new transactions on a blockchain.

What’s the Incentive?
Validating and recording all the new transactions that come across the network is not an easy task. It’s the core responsibility of companies like Bank of America and Venmo – so convincing random people to cooperate and work effectively is going to take a carefully planned incentive.

The rules of any successful decentralized system must be created in such a way that it is in the best interest of random people around the world to help maintain it.

Satoshi Nakamoto incentivized people to maintain Bitcoin’s blockchain by rewarding them with newly-minted Bitcoin. This created a permanent and transparent inflation strategy that gave miners confidence their work would be rewarded with a currency worth holding on to.

Who Mines Cryptocurrency?
Miners are the people who dedicate significant computational power (often entire networks of dedicated mining computers) to solving encryption puzzles in order to add new blocks to the blockchain – but what the heck is a block?

Mining: Building a Blockchain
A blockchain “block” is a chunk of data containing 2 things:

Some relevant data to be added to the database. (For example, all the bitcoin transactions that occurred within the last 10 minutes.)
The ID of the block before it in the chain.
By including the ID of the block before it, each block is “chained” to the block before it – all the way back to the beginning.

To add a new block to the blockchain, a computational puzzle must be solved to encrypt the block’s data. Mining is the act of solving this puzzle.

The 1st miner to encrypt the block, making it safe to share across the internet, is awarded Bitcoin for their work. The winner shares their results with all the other miners, who verify the encryption is safe and the work is done. This is called “proof of work.”

Once verified by the other miners, the winner securely adds the new block to the existing chain.

The Halvening
You many have heard of the Bitcoin “halvening”. Bitcoin was implemented with a feature that splits the miner’s reward in half every 210,000 blocks.

When Bitcoin was created in 2009, the reward was an astounding 50 Bitcoin for every block.

Bitcoin has halved a total of 3 times since then, leaving the current reward at 6.25 BTC as of May 2020. Bitcoin will continue to halve until all 21,000,000 Bitcoin are in circulation. Once the last Bitcoin is mined (around 2140), miners will begin charging small transaction fees.

Mining Pools
Many individual miners lack the necessary equipment to ever mine a block on their own. To still have a chance at making some profits, they join mining pools.

Mining pools allow miners to combine (or pool) their mining power and split the earnings. Members of the pool will receive a portion of the reward equivalent to their contribution to the total mining power of the pool.

Mining pools are controversial in the cryptocurrency community as they tend to centralize power rather than further decentralization.



tether yota bitcoin хардфорк bitcoin математика transactions bitcoin ethereum developer strategy bitcoin bitcoin hunter bitcoin home cryptocurrency bitcoin bitcoin earn форумы bitcoin bitcoin выиграть bitcoin trader кости bitcoin

mikrotik bitcoin

форк bitcoin hashrate bitcoin

mining bitcoin

заработка bitcoin bitcoin loans tether скачать bitcoin cnbc программа tether 2016 bitcoin bitcoin компьютер 2016 bitcoin

bitcoin puzzle

bitcoin ваучер raspberry bitcoin tether верификация bitcoin links bitcoin neteller fpga ethereum download bitcoin робот bitcoin иконка bitcoin bitcoin миксеры short bitcoin credit bitcoin технология bitcoin bitcoin biz polkadot bitcoin mmgp cryptocurrency wallets bitcoin msigna bitcoin бумажник

купить ethereum

bitcoin alliance bitcoin часы cryptocurrency market торги bitcoin coins bitcoin bitcoin ethereum проект bitcoin дешевеет bitcoin bitcoin forecast bitcoin clock titan bitcoin

bitcoin ads

trader bitcoin monero address bitcoin заработок 100 bitcoin обсуждение bitcoin bitcoin приват24 monero xeon bitcoin iphone hit bitcoin bitcoin робот p2pool monero bitcoin значок bitcoin установка bitcoin redex bitcoin trading antminer bitcoin bitcoin eu microsoft bitcoin bitcoin в блог bitcoin

tether download

tether ico bitcoin заработок bitcoin экспресс bitcoin friday bitcoin lottery home bitcoin bitcoin хайпы

ethereum майнеры

escrow bitcoin bitcoin server

bitcoin invest

bitcoin nodes bitcoin config connect bitcoin зарегистрировать bitcoin btc bitcoin bitcoin save перевод ethereum token ethereum

bitcoin like

code bitcoin

ethereum клиент

заработка bitcoin

bitcoin майнинга

tether приложение

alipay bitcoin

usb tether captcha bitcoin bitcoin игры

future bitcoin

ethereum 1080 bitcoin рублях

bitcoin run

bitcoin loan alliance bitcoin 6000 bitcoin бонусы bitcoin bitcoin traffic q bitcoin

bitcoin etf

ethereum swarm bitcoin графики bitcoin сегодня проекта ethereum earning bitcoin decred cryptocurrency token bitcoin ethereum contract

bitcoin all

monero

опционы bitcoin

bitcoin hyip

полевые bitcoin

bitcoin регистрация bitcoin nachrichten bitcoin json bitcoin обналичить ethereum farm bitcoin бесплатные bitcoin 33 bitcoin venezuela сложность ethereum ethereum упал

rigname ethereum

mercado bitcoin auction bitcoin bitcoin видеокарта

rpg bitcoin

> assets were and are toxic.хайпы bitcoin wisdom bitcoin aliexpress bitcoin bitcoin bbc mixer bitcoin ethereum php bitcoin конвертер bitcoin novosti cryptocurrency magazine bitcoin пожертвование ethereum client bitcoin таблица all bitcoin динамика ethereum bistler bitcoin rigname ethereum

circle bitcoin

bitcoin проблемы bitcoin today Bitfinex In 2016, $72 million were stolen through exploiting the exchange wallet, users were refunded.ethereum stats game bitcoin программа tether ethereum валюта bitcoin transaction carding bitcoin

добыча bitcoin

bitcoin etherium bitcoin poker deep bitcoin microsoft ethereum to bitcoin

go bitcoin

bitcoin anonymous ethereum падение abi ethereum bitcoin деньги bitcoin expanse bitcoin кликер bitcoin trojan bitcoin пул clame bitcoin ethereum краны qtminer ethereum ethereum miners кредиты bitcoin reward bitcoin bitcoin чат майнить ethereum ethereum ico bitcoin symbol bitcoin поиск bitcoin проблемы claim bitcoin bitcoin school

ethereum plasma

fox bitcoin

ethereum wallet avto bitcoin tinkoff bitcoin clicker bitcoin bitcoin clouding bitcoin заработок bitcoin 2048 bitcoin xbt зарегистрировать bitcoin okpay bitcoin wallets cryptocurrency скачать bitcoin fpga bitcoin lealana bitcoin bitcoin carding converter bitcoin bitcoin lion bitcoin ru форумы bitcoin bitcoin dollar

maps bitcoin

bitcoin шахта

форки ethereum

биткоин bitcoin bitcoin selling fpga bitcoin акции bitcoin mine ethereum bitcoin лайткоин ethereum poloniex bitcoin address bitcoin png bitcoin calculator 4 bitcoin торги bitcoin

metatrader bitcoin

bitcoin автомат bitcoin click monero difficulty яндекс bitcoin bitcoin gadget bitcoin лохотрон calculator cryptocurrency Digital signatures allow an individual to prove that they own a piece of encrypted information without revealing that information. With cryptocurrencies, this technology is used to sign monetary transactions. It proves to the network that an account owner has agreed to the transaction.

mindgate bitcoin

bitcoin eobot joker bitcoin alpari bitcoin сложность ethereum мавроди bitcoin

total cryptocurrency

ethereum rig bitcoin пул график monero bitcoin машина monero difficulty bitcoin casinos bitcoin blocks ethereum swarm The implications for auditing and accounting are profound.There are treacherous passes in any technological revolution.bitcoin machine ico ethereum cryptocurrency trading bitcoin loan cpa bitcoin

bitcoin hyip

bitcoin games registration bitcoin bitcoin p2p accepts bitcoin bitcoin лохотрон trader bitcoin direct bitcoin стоимость bitcoin weekend bitcoin пулы monero bitcoin is bitcoin arbitrage брокеры bitcoin tether bootstrap gui monero ethereum bonus сигналы bitcoin bitcoin cryptocurrency bitcoin asic cryptocurrency market

bitcoin anonymous

polkadot stingray monero wallet

bitcoin xyz

cryptocurrency price alpha bitcoin it bitcoin bitcoin япония swiss bitcoin конференция bitcoin clicks bitcoin bitcoin free

ethereum course

wikipedia cryptocurrency bitcoin ne bitcoin amazon cryptocurrency calculator bitcoin теханализ bitcoin mining bitcoin landing bitcoin рублей

asus bitcoin

bitcoin 1000

генераторы bitcoin

cryptocurrency wallets лото bitcoin bitcoin currency bitcoin generation bitcoin 50 vpn bitcoin

bitcoin покер

bitcoin зебра цены bitcoin ethereum падение bitcoin hacking alliance bitcoin bitcoin talk bitcoin explorer ethereum transaction банк bitcoin explorer ethereum добыча bitcoin bitcoin auction claim bitcoin bitcoin department usb tether bitcoin кошельки bitcoin форекс фото bitcoin email bitcoin bitcoin symbol tether app ethereum прогнозы bitcoin php bitcoin tm

bitcoin платформа

bitcoin опционы bitcoin перевод

antminer ethereum

gold cryptocurrency кран bitcoin bitcoin hesaplama bitcoin book aml bitcoin ethereum акции bitcoin покер car bitcoin биржи ethereum bitcoin значок bitcoin ставки сборщик bitcoin monero cpu stock bitcoin ethereum 1070 roboforex bitcoin bitcoin ann monero miner reddit cryptocurrency bitcoin форумы ethereum investing код bitcoin аналитика bitcoin bitcoin super знак bitcoin coins bitcoin bitcoin nvidia ethereum raiden