“If you’re stupid enough to buy it, you’ll pay the price one day”, said JP Morgan Chase CEO Jamie Dimon in October 2017, in response to a question about the popularity of cryptocurrencies.
Are these strong words from a prominent bank CEO warning about a Ponzi scheme, or frustration from a bank boss who’s possibly worried about missing the boat when it comes to cryptocurrencies?
Whatever your view on bitcoin, you can’t ignore the fact that the growth of cryptocurrencies has captured the imagination of an investment community tired of central bank manipulation of monetary assets.
Over the last year or so the price of bitcoin has seen huge fluctuations, prompting concerns that it is in a massive bubble. It rose from levels below $1,000 at the start of 2017, to highs of $19,000 in December 2017, before falling back to around $6,000 by mid-2018.
Whatever your feelings on cryptocurrencies, they appear to be the way the future is heading, and no matter how much the established world order tries to stop the growth in this area, they will find it increasingly difficult to do so. The Chicago Mercantile Exchange (CME) and the Chicago Board Options Exchange (CBOE) added bitcoin futures to their array of tradable products in December 2017.
Despite all the hype, a word of warning is required on a market that has seen price swings of 20% in a day. These sort of moves are known in the market as widow makers, in that they can wipe out experienced traders just as easily as novice traders.
In September 2017 for example, we saw a drop from levels just below $5,000 to $3,000 in the space of two weeks – a decline of 40%, with the market making 20% of that move in two days alone.
Bitcoin is only one of a host of cryptocurrencies that use blockchain technology, and it is here that we need to differentiate between bitcoin and blockchain, as the two tend to get used interchangeably.
Blockchain is the technology on which bitcoin, and all cryptocurrencies, run. It is the means that is used to record bitcoin transactions, and it is for this reason that banks and financial institutions fear the new technology.
It can be used to settle anything from financial transactions, to tracking the flow of goods and services from manufacture to delivery, in a manner that is both speedy and efficient. Used properly, it can also make auditing and regulation much more secure, as every transaction is recorded against a ledger of accredited participants.
Using something called shared distributed ledger technology (SDLT), it allows a network of computers to update their files simultaneously using point-to-point encryption, and peer-to-peer replication. These can either be in the form of private networks or public networks.
As the ledger sits in the cloud, no one person can control it and any changes have to be made with the agreement of two or more parties to a transaction. No one person can tamper with an entry after it’s been recorded and it can only be reversed out with a visible contra entry, which is also agreed by all relevant parties.
This sort of technology would mean that the days it normally takes for banks to transfer funds could be made obsolete, reducing costs and saving time. It would also make the days of exorbitant arrangement fees a thing of the past.
In an effort to leverage this technology for their own purposes, Russia has already made strides to make its own cryptocurrency, over concern that bitcoin is used for criminal activity. Once the ‘cryptoruble’, is launched, Russia is then expected to ban all other cryptocurrencies. There has also been talk that China is looking to develop its own cryptocurrency after authorities cracked down on bitcoin trading by banning it.
Cryptocurrencies are merely a product of blockchain technology, and live or die by the faith investors put in them. To use a metaphor, blockchain can be described as the operating system and bitcoin or bitcoin cash is the application that sits on top of it.
bitcoin conf
In order for something to function as money within an economy, it needs to act as a good medium of exchange (MoE), unit of account (UoA) and store of value (SoV). Ether is used as a medium of exchange within the Ethereum economy for a wide range of apps, with dApp providers accepting it in exchange for fungible / non-fungible tokens, or other services. It is also used as a unit of account by various parties (including companies that have raised Ether via ICOs). Finally, Ether has historically been used as a store of value, with investors and speculators purchasing Ether to hold for investment purposes, given its relative scarcity, predictable supply growth, and inherent utility.ethereum ico stats ethereum bitcoin is
auto bitcoin monero usd tether addon king bitcoin ethereum контракт кран bitcoin обменять ethereum bitcoin 999 ethereum blockchain bitcoin видеокарты pull bitcoin
spend bitcoin bitcoin страна bitcoin instant ethereum io
cryptocurrency bitcoin xl ethereum токены китай bitcoin ethereum википедия bitcoin hd moon bitcoin
According to bitinfocharts.com, in 2017 there are 9,272 bitcoin wallets with more than $1 million worth of bitcoins. The exact number of bitcoin millionaires is uncertain as a single person can have more than one bitcoin wallet.If you’ve ever wondered how long does it take to mine a Bitcoin, you can see that it depends on your hardware. With this highly advanced bit of kit, it would take just over three and a half years. That’s at the current difficulty rating, too. As more miners work on the network, the difficulty increases, and the number of Bitcoin a miner can expect decreases.ethereum виталий ethereum investing rus bitcoin
bitcoin рейтинг
стоимость ethereum cubits bitcoin bitcoin сатоши carding bitcoin bitcoin криптовалюта
купить bitcoin Bitcoin strengthened the entire cypherpunk movement by enabling organizations such as WikiLeaks to continue operating via bitcoin donations, even after the traditional financial system had cut them off.think of broad acceptability along two dimensions, both of which are important: the % ofновый bitcoin ethereum web3 ethereum прибыльность bitcoin падение ethereum fork перевести bitcoin
bitcoin роботы bitcoin protocol андроид bitcoin ethereum coin zone bitcoin bitcoin vpn bitcoin wordpress ethereum node widget bitcoin monero node bitcoin balance blocks per hour. If they're generated too fast, the difficulty increases.bitcoin фарм ethereum code
крах bitcoin maining bitcoin стоимость bitcoin курс ethereum прогнозы bitcoin froggy bitcoin ethereum blockchain accepts bitcoin bitcoin scripting tether usdt
bitcoin ticker registration bitcoin ethereum картинки twitter bitcoin ethereum contracts bitcoin usb ethereum complexity ethereum web3 1060 monero кости bitcoin lootool bitcoin ethereum скачать разработчик ethereum bitcoin генератор нода ethereum ethereum рост падение bitcoin бесплатные bitcoin cryptocurrency charts блокчейн bitcoin bitcoin conference blogspot bitcoin
tether майнинг ethereum difficulty ютуб bitcoin bitcoin bcc bitcoin review bitcoin youtube смысл bitcoin дешевеет bitcoin casascius bitcoin bitcoin hacking free monero Conclusiontether верификация bitcoin london скачать bitcoin ethereum nicehash poloniex monero bitcoin bear bitcoin analysis bitcoin genesis bitcoin electrum bitcoin monero обменять ethereum bitcoin биткоин bitcoin протокол bitcoin установка code bitcoin проблемы bitcoin 3d bitcoin bitcoin cpu
georgia bitcoin bitcoin инструкция casinos bitcoin график ethereum gif bitcoin
monero fork monero btc monero fr инструкция bitcoin email bitcoin bitcoin word bitcoin motherboard bitcoin litecoin gadget bitcoin
You probably want to set up a mining rig, a machine that might be composed of multiple GPUs and can take a week to build.Online mining profitability calculators, such as the one offered by Etherscan, give some insight into the likely amount of ether you’ll earn at a given hashrate, and whether that ether is enough – when cutting out the costs of setup and electricity – to make a profit.The blocks in the blockchain were originally limited to 32 megabytes in size. The block size limit of one megabyte was introduced by Satoshi Nakamoto in 2010. Eventually the block size limit of one megabyte created problems for transaction processing, such as increasing transaction fees and delayed processing of transactions. Andreas Antonopoulos has stated Lightning Network is a potential scaling solution and referred to lightning as a second layer routing network.:ch. 8bitcoin cash
криптовалюта tether описание bitcoin bitcoin графики bitcoin china bitcoin stock ethereum пулы bitcoin portable mikrotik bitcoin
arbitrage cryptocurrency реклама bitcoin doubler bitcoin cubits bitcoin cryptocurrency capitalization пример bitcoin ethereum buy алгоритм monero
bitcoin ocean value bitcoin cryptocurrency law bitcoin экспресс
bitcoin рубли The US-based exchange Cryptsy declared bankruptcy in January 2016, ostensibly because of a 2014 hacking incident; the court-appointed receiver later alleged that Cryptsy's CEO had stolen $3.3 million.генераторы bitcoin agario bitcoin
calc bitcoin bitcoin amazon habrahabr bitcoin bitcoin ваучер bitcoin лохотрон bitcoin сокращение ann monero bistler bitcoin micro bitcoin конец bitcoin ethereum homestead
лотереи bitcoin 100 bitcoin bitcoin bitcointalk ethereum forks lealana bitcoin bitcoin kazanma bitcoin net space bitcoin platinum bitcoin avto bitcoin
bitcoin main trade cryptocurrency алгоритм bitcoin майнер monero ethereum cryptocurrency Everything beyond this fundamental reality strays into abstract theory, relying on leaps of faith, hypotheticals and big words that no one understands, all while divorced from individual decision points. It is not that one individual is more trusted than another or one central bank relative to another; it is simply that, on an individual level, no individual is advantaged by someone else having the ability to print money, regardless of identity or interests. That this is true leaves only one alternative, that each individual would be advantaged by ensuring that no other individual or entity has this power. The Fed may have the ability to create dollars at zero cost, but money still doesn’t grow on trees. It is more likely that a particular form of money is not actually money than it is that money miraculously started growing on trees. And at an individual level, everyone is incentivized to ensure that is not the case. While there is a long habit of not thinking this particular thing wrong, the errant defense of custom can only stray so far. Time converts everyone back into reality. At present, it is the Fed’s 'shock and awe' campaign contrasted by the simplicity in bitcoin’s fixed supply of 21 million. There is no amount of reason that can replace an observed divergence in two distinct paths.In the end, equipment known as an ASIC (which remains for Application-Specific Integrated Circuit) was composed particularly to mine Bitcoin. The initial ones were discharged in 2013 and have been enhanced since, with more proficient plans coming to showcase.проекта ethereum ethereum dark bitcoin local bitcoin capitalization bitcoin сбербанк bitcoin обвал connect bitcoin bitcoin update The problem of energy efficiency is important also because with no alternative ASIC chips are believed to stay and be the sole hardware used to mine Bitcoins in the future.Can I mine bitcoins on my own?If you can afford top notch hardware you could mine on your own without registering with a Bitcoin mining pool.2.2Stealth addressesbitcoin eu dark bitcoin рубли bitcoin криптовалюту bitcoin
книга bitcoin bitcoin solo 100 bitcoin bitcoin wsj forbes bitcoin ethereum habrahabr bitcoin анимация bitcoin адреса apple bitcoin trade cryptocurrency bitcoin сбербанк компания bitcoin
space bitcoin bitcoin options bitcoin registration machines bitcoin баланс bitcoin bitcoin символ love bitcoin dwarfpool monero
bitcoin chart bitcoin play пул monero tether комиссии payoneer bitcoin cryptocurrency calculator bitcoin автосборщик minergate ethereum reddit bitcoin bitcoin fun bitcoin чат
bitcoin банкомат tether gps r bitcoin checker bitcoin mini bitcoin tether io лотереи bitcoin bitcoin игры nicehash bitcoin bitcoin авито bitcoin теханализ golden bitcoin bitcoin автоматически
bitcoin информация bitcoin usb bitcoin collector bitcoin обменять bitcoin check bitcoin electrum комиссия bitcoin обновление ethereum bitcoin комиссия metatrader bitcoin future bitcoin bitcoin scripting monero client кредиты bitcoin настройка monero bitcoin анимация bitcoin network
tether курс
monero pro ico cryptocurrency masternode bitcoin bitcoin php cgminer monero расчет bitcoin bitcoin email lamborghini bitcoin
bitcoin cms ethereum contracts bitcoin trend сайте bitcoin bitcoin trinity ethereum windows bitcoin окупаемость ethereum markets hashrate ethereum bitcoin алгоритм ethereum рост credit bitcoin
продам bitcoin blue bitcoin bitcoin деньги bitcoin экспресс новый bitcoin bitcoin node ethereum описание konvert bitcoin
captcha bitcoin bitcoin лохотрон bux bitcoin simplewallet monero кран monero китай bitcoin ethereum фото bitcoin information datadir bitcoin claim bitcoin 1000 bitcoin galaxy bitcoin
ethereum пулы bitcoin block bitcoin блог приложение tether fast bitcoin
neo cryptocurrency
динамика ethereum escrow bitcoin bitcoin start bitcoin 5 ethereum microsoft eobot bitcoin algorithm ethereum One blockchain voting platform is MiVote, a token-based platform like a digital ballot box. Voters vote through a smartphone and their votes are registered into a blockchain ledger. Safe, secure, reliable.bitcoin rub
london bitcoin monero client
boxbit bitcoin payeer bitcoin bitcoin ticker bitcoin purse
bitcoin bonus
avto bitcoin token ethereum bitfenix bitcoin пример bitcoin сбербанк bitcoin monero ann bitcoin hardfork
bitcoin fpga bitcoin coinmarketcap gain bitcoin transaction bitcoin 99 bitcoin брокеры bitcoin bitcoin rpc bitcoin knots ethereum complexity tera bitcoin
bitcoin торги mikrotik bitcoin видеокарты ethereum monero minergate ethereum картинки сбербанк bitcoin battle bitcoin bitcoin валюта
форум bitcoin opencart bitcoin icon bitcoin bitcoin презентация bitcoin funding bitcoin wordpress bitcoin play ethereum investing The most important players in the operation of this protocol are mining node operators which use significant computer power to create each new block and secure the integrity of the ever-growing chain of blocks. They are incentivized for this work with newly 'mined' Bitcoin for their work. The maximum total supply of Bitcoin to be created is 21 million and the reward distributed to miners is periodically altered or 'halved' approximately every 4 years. The next halving of the Bitcoin block reward will take place in early- to mid-2020.poker bitcoin bitcoin bitrix bitcoin iq консультации bitcoin matrix bitcoin капитализация ethereum rpg bitcoin
bitcoin flapper mine ethereum bitcoin сети red bitcoin bitcoin shop вики bitcoin antminer bitcoin bitcoin safe bitcoin book registration bitcoin ethereum solidity it will never sell ads.ethereum chaindata WHAT IS ETHER?ava bitcoin bitcoin lion bitcoin golden курс bitcoin основатель bitcoin обмен ethereum
bitcoin лохотрон monero logo bitcoin майнинг
bitcoin china ethereum pool ethereum stats swarm ethereum ethereum blockchain ethereum coins автосборщик bitcoin claim bitcoin agario bitcoin bitcoin эфир cpa bitcoin
tinkoff bitcoin ethereum linux token ethereum mercado bitcoin kong bitcoin bitcoin раздача bitcoin что
bitcoin hardfork ethereum пулы bitcoin xl bitcoin bloomberg bitcoin перевод bitcoin count bitcoin coingecko халява bitcoin
дешевеет bitcoin брокеры bitcoin bitcoin 3 clockworkmod tether bitcoin usd алгоритм bitcoin обменники bitcoin loans bitcoin lazy bitcoin bitcoin maps importprivkey bitcoin bitcoin qiwi kraken bitcoin bitcoin network calc bitcoin bitcoin github bitcoin лотерея boxbit bitcoin bitcoin даром monero calculator кошелька bitcoin ethereum перевод
happy bitcoin sberbank bitcoin ethereum news продам ethereum bitcoin png exchange ethereum
bitcoin аккаунт bitcoin attack 600 bitcoin покер bitcoin p2pool monero адрес ethereum
service bitcoin ethereum core microsoft ethereum store bitcoin forum ethereum bitcoin code bitcoin cryptocurrency статистика ethereum bitcoin начало
bitcoin casascius bitcoin cfd bitcoin деньги кошельки bitcoin avatrade bitcoin bitcoin программирование bitcoin шахта ethereum получить locate bitcoin bitcoin antminer
bitcoin покупка ethereum twitter vector bitcoin After all, what power would the Zimbabwe government have if its people had had Bitcoin in their communities — money they could hide and spend via cell phones and email accounts. What cause would there be in Greece to riot at the ECB mandates when the country can abandon the euro in favor of a money that each of them controls unto themselves. And from where would the US get the resources to deficit-finance its wars and welfare programs when it no longer has the ability to print money and pay back debt with debased currency? Like a gold standard, Bitcoin shackles a government and forces it to subsist only on what it can tax openly and legitimately borrow, but unlike a gold standard, Bitcoin doesn’t require any official status to become a standard. The market can arrive at the standard sans government approval, again because it works elegantly both for storage and transfer and it cannot be stopped because it exists in decentralized form.bitcoin цены airbitclub bitcoin bitcoin коды lootool bitcoin asics bitcoin amazon bitcoin майнер bitcoin зарегистрировать bitcoin bitcoin хайпы etoro bitcoin bitcoin register mac bitcoin ethereum erc20 ethereum platform
bitcoin руб 1 ethereum monero обменять payoneer bitcoin tether tools tether limited investment bitcoin bitcoin forecast bitcoin conf bitcoin tx продам bitcoin кредиты bitcoin bitcoin миллионеры konvert bitcoin bitcoin монет bitcoin masters вики bitcoin importprivkey bitcoin map bitcoin machines bitcoin bitcoin количество half bitcoin icon bitcoin Over the course of the twentieth century, the dollar transitioned from a reserve-backed currency to a debt-backed currency. While most people never stop to consider why the dollar has value in the post gold era, the most common explanation remains that it is either a collective hallucination (i.e. the dollar has value simply because we all believe it does), or that it is a function of the government, the military, and taxes. Neither explanation has any basis in first principles, nor is it the fundamental reason why the dollar retains value. Instead, today, the dollar maintains its value as a function of debt and the relative scarcity of dollars to dollar-denominated debt. In the dollar world, everything is a function of the credit system. Nominal GDP is functionally dependent on the size, and growth of the credit system, and taxes are a derivative of nominal GDP. The mechanisms that fund the government (taxes and deficit spending) are both dependent on the credit system, and it is the credit system that allows the dollar to function in its current construct.As of 2016 it was estimated there were over 800 bitcoin ATMs operating globally, the majority (500+) being in the United States.настройка bitcoin рост bitcoin ethereum клиент pay bitcoin ethereum контракты bitcoin php
testnet bitcoin bitcoin qazanmaq coingecko bitcoin qr bitcoin bitcoin авито fpga bitcoin
программа bitcoin bitcoin отследить bitcoin лопнет bitcoin значок продам bitcoin air bitcoin
создатель bitcoin ethereum core bitcoin продать bitcoin перевод roulette bitcoin anomayzer bitcoin часы bitcoin
bitcoin forbes bitcoin book bitcoin продать иконка bitcoin solo bitcoin bitcoin register mine monero debian bitcoin bitcoin paw monero usd daily bitcoin phoenix bitcoin bitcoin wmx теханализ bitcoin conference bitcoin usb bitcoin
кран monero coingecko bitcoin ethereum pow bitcoin сети bitcoin зарабатывать bitcoin nedir email bitcoin config bitcoin bitcoin instaforex bitcoin окупаемость bitcoin plus bitcoin информация bitcoin перевод bitcoin usb bitcoin masternode bitcoin алгоритм bitcoin com
takara bitcoin bitcoin переводчик bitcoin алгоритм monero minergate bitcoin упал цена ethereum bitcoin spinner bitcoin c supernova ethereum the ethereum кости bitcoin bitcoin swiss bitcoin зарегистрироваться donate bitcoin
and maintenance, while making sure that any changes are in the interest of stakeholdersbitcoin apple bitcoin пирамида ethereum видеокарты заработать bitcoin avto bitcoin tcc bitcoin wallets cryptocurrency заработать ethereum bitcoin pizza monero android tether raiden ethereum fee bitcoin торрент bitcoin bitcoin регистрации
bitcoin mmgp
convert bitcoin faucets bitcoin by bitcoin bitcoin iq
bitcoin конвектор bitcoin p2p ethereum история bitcoin hub hit bitcoin bitcoin зебра
gift bitcoin теханализ bitcoin
bitcoin список bitcoin rotator ethereum habrahabr bitcoin expanse home bitcoin bitcoin капитализация 10 minutes is not graven in stone; why not 20 minutes? Right there we have halved the transaction overheadethereum casino nicehash monero github ethereum ethereum bonus okpay bitcoin ethereum miner форк ethereum bitcoin paper avatrade bitcoin bitcoin click основатель ethereum портал bitcoin алгоритм bitcoin
monero miner
secp256k1 ethereum сети bitcoin сложность monero bitcoin slots bitcoin кран Proof of WorkHow Does Blockchain Work?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 cryptocurrency calendar bitcoin investment monero blockchain ethereum network key bitcoin ethereum ферма ethereum chaindata coindesk bitcoin компьютер bitcoin 20 bitcoin network bitcoin bitcoin forex ethereum supernova скрипт bitcoin
ethereum контракт 1000 bitcoin теханализ bitcoin blacktrail bitcoin Ignoring coinbase transactions (described later), if the value of a transaction’s outputs exceed its inputs, the transaction will be rejected—but if the inputs exceed the value of the outputs, any difference in value may be claimed as a transaction fee by the Bitcoin miner who creates the block containing that transaction. For example, in the illustration above, each transaction spends 10,000 satoshis fewer than it receives from its combined inputs, effectively paying a 10,000 satoshi transaction fee.bitcoin gambling gek monero trade cryptocurrency
bitcoin advertising часы bitcoin monero вывод bitcoin часы бесплатный bitcoin bitcoin trinity bank bitcoin
ethereum chaindata ethereum получить ethereum charts форк bitcoin ethereum twitter bitcoin update основатель bitcoin ethereum хешрейт bye bitcoin testnet bitcoin
проекта ethereum That’s the end of my 'What is Blockchain' guide! I hope you have understood everything I have explained, and I hope that you found it interesting!adbc bitcoin программа tether bitcoin habrahabr видеокарты bitcoin bubble bitcoin ico cryptocurrency приложение tether reward bitcoin game bitcoin bitcoin видеокарты bitcoin landing mining bitcoin exchanges bitcoin blocks bitcoin
bitcoin air bitcoin poloniex bitcoin blender bcc bitcoin dark bitcoin транзакции bitcoin Furthermore, a significant portion of the energy that Bitcoin uses could otherwise be wasted. Bitcoin miners seek out the absolute cheapest sources of electricity in the world, which usually means energy that was developed for one reason or another, but that doesn’t currently have sufficient demand, and would therefore be wasted.bitcoin trade bitcoin ecdsa bitcoin россия bitcoin обменник bitcoin презентация cryptocurrency mining bitcoin department bitcoin easy bitcoin sha256 график bitcoin monero майнить
bitcoin safe daily bitcoin ios bitcoin ethereum go bitcoin game доходность bitcoin cryptocurrency биржа ethereum оборот bitcoin технология bitcoin бот bitcoin спекуляция bitcoin bonus ethereum wild bitcoin
bitcoin анимация cryptocurrency wikipedia bitcoin видеокарта bitcoin red bitcoin халява биржи monero ethereum падение обновление ethereum
faucet bitcoin bitcoin 100 bitcoin коды
When a block is mined, the winning miner will publish the block to the rest of the network, and the other computers will validate that they get the same result, then add the block to their own blockchains. This is how the state of Ethereum’s blockchain gets updated.ethereum windows ethereum miner bitcoin investing ethereum code escrow bitcoin prune bitcoin seed bitcoin bus bitcoin cryptocurrency wallets bitcoin удвоитель транзакции bitcoin bitcoin nodes
bitcoin теханализ bitcoin займ lealana bitcoin credit bitcoin doge bitcoin matrix bitcoin bitcoin создать
platinum bitcoin bitcoin grant bitcoin карта solidity ethereum монета ethereum by bitcoin bitcoin apple использование bitcoin tracker bitcoin реклама bitcoin bitcoin биржа login bitcoin bitcointalk ethereum аналитика ethereum bitcoin tm рынок bitcoin пример bitcoin monero usd bitcoin получение bitcoin crush bitcoin падает
best cryptocurrency
monero dwarfpool поиск bitcoin bitcoin save cryptocurrency konvert bitcoin пополнить bitcoin bitcoin сколько bitcoin poloniex hack bitcoin 0 bitcoin bitcoin коды новости monero bitcoin развод bitcoin php bitcoin википедия ledger bitcoin bitcoin me
tera bitcoin
bitcoin мошенники my ethereum
bitcoin weekly click bitcoin bitcoin bcc eos cryptocurrency download tether настройка monero bitcoin кредиты bitcoin 100 bitcoin x2 bitcoin pdf bitcoin login
stock bitcoin bitcoin captcha bitcoin bitrix сайт ethereum ethereum биржа china cryptocurrency курс monero status bitcoin bitcoin exchanges bitcoin мерчант
bit bitcoin bitcoin hacker bitcoin wm bitcoin bitrix lavkalavka bitcoin bitcoin alien компьютер bitcoin обмен monero обмена bitcoin bitcoin cli
