What Happens to Bitcoin After All 21 Million Are Mined?
FACEBOOK
TWITTER
LINKEDIN
By ADAM HAYES
Reviewed By KHADIJA KHARTIT
Updated Dec 17, 2020
TABLE OF CONTENTS
The Supply of Bitcoin Is Limited to 21 Million
Bitcoin Mining Rewards
Effects of Finite Bitcoin Supply
Special Considerations
Bitcoin is like digital gold in many ways. Like gold, bitcoin cannot simply be created arbitrarily; it requires work to "extract". While gold must be extracted from the physical earth, bitcoin must be "mined" via computational means.
Bitcoin also has a stipulation—set forth in its source code—that it must have a limited and finite supply. For this reason, there will only ever be 21 million bitcoins ever produced. On average, these bitcoins are introduced to the bitcoin supply at a fixed rate of one block every ten minutes. In addition, the amount of bitcoin released in each of these aforementioned blocks is reduced by 50% every four years.
KEY TAKEAWAYS
There are only 21 million bitcoins that can be mined in total.
Once bitcoin miners have unlocked all the bitcoins, the planet's supply will essentially be tapped out.
Currently, around 18.5 million bitcoin have been mined; this leaves less than three million that have yet to be introduced into circulation.
Once all Bitcoin has been mined the miners will still be incentivized to process transactions with fees.
The Supply of Bitcoin Is Limited to 21 Million
In fact, there are only 21 million bitcoins that can be mined in total.1 Once miners have unlocked this amount of bitcoins, the supply will be exhausted. However, it's possible that bitcoin's protocol will be changed to allow for a larger supply. What will happen when the global supply of bitcoin reaches its limit? This is the subject of much debate among fans of cryptocurrency.
Currently, around 18.5 million bitcoin have been mined. This leaves less than three million that have yet to be introduced into circulation.
While there can only ever be a maximum of 21 million bitcoin, because people have lost their private keys or have died without leaving their private key instructions to anybody, the actual amount of available bitcoin in circulation could actually be millions less.
Bitcoin Mining Rewards
The first 18.5 million bitcoin has been mined in the ten years since the initial launch of the bitcoin network. With only three million more coins to go, it might appear like we are in the final stages of bitcoin mining. This is true but in a limited sense. While it is true that the large majority of bitcoin has already been mined, the timeline is more complicated than that.
The bitcoin mining process rewards miners with a chunk of bitcoin upon successful verification of a block. This process adapts over time. When bitcoin first launched, the reward was 50 bitcoin. In 2012, it halved to 25 bitcoin. In 2016, it halved again to 12.5 bitcoin. On May 11, 2020, the reward halved again to 6.25 bitcoin. This effectively lowers Bitcoin's inflation rate in half every four years.
The reward will continue to halve every four years until the final bitcoin has been mined. In actuality, the final bitcoin is unlikely to be mined until around the year 2140. However, it's possible the bitcoin network protocol will be changed between now and then.
The bitcoin mining process provides bitcoin rewards to miners, but the reward size is decreased periodically to control the circulation of new tokens.
Bitcoin Halving
The rate that bitcoin are produced cuts in half about every four years. Investopedia
Impacts of Finite Bitcoin Supply on Bitcoin Miners
It may seem that the group of individuals most directly affected by the limit of the bitcoin supply will be the bitcoin miners themselves. Some detractors of the protocol claim that miners will be forced away from the block rewards they receive for their work once the bitcoin supply has reached 21 million in circulation.
But even when the last bitcoin has been produced, miners will likely continue to actively and competitively participate and validate new transactions. The reason is that every bitcoin transaction has a transaction fee attached to it.
These fees, while today representing a few hundred dollars per block, could potentially rise to many thousands of dollars per block, especially as the number of transactions on the blockchain grows and as the price of a bitcoin rises. Ultimately, it will function like a closed economy, where transaction fees are assessed much like taxes.
Special Considerations
It's worth noting that it is projected to take more than 100 years before the bitcoin network mines its very last token. In actuality, as the year 2140 approaches, miners will likely spend years receiving rewards that are actually just tiny portions of the final bitcoin to be mined. The dramatic decrease in reward size may mean that the mining process will shift entirely well before the 2140 deadline.
It's also important to keep in mind that the bitcoin network itself is likely to change significantly between now and then. Considering how much has happened to bitcoin in just a decade, new protocols, new methods of recording and processing transactions, and any number of other factors may impact the mining process.
Paper wallet: A paper wallet is bitcoins that are stored on good ole fashioned paper. You write down your public key and private key (or 12 word seed) on paper, check it over and over again to make sure it is correct (letter case matters). The idea behind paper wallets is if the private key is never connected to the internet it is much less vulnerable to thieves. PaperSince its birth in 2015, Ethereum has been focused on one core principle: decentralization.ethereum swarm bitcoin программирование bitcoin machines bitcoin scanner ethereum frontier bitcoin s рулетка bitcoin
pool bitcoin
ethereum com pokerstars bitcoin local ethereum bitcoin экспресс разработчик bitcoin перспективы ethereum алгоритмы ethereum bitcoin c sberbank bitcoin habr bitcoin decred cryptocurrency reverse tether bitcoin исходники ethereum капитализация keystore ethereum cryptocurrency charts loan bitcoin server bitcoin 1 ethereum asics bitcoin red bitcoin ethereum blockchain bitcoin вложить ethereum ico bitcoin сбербанк bitcoin help bitcoin официальный by bitcoin autobot bitcoin
'One of the greatest mistakes is to judge policies and programs by their intentions rather than their results' — Milton FriedmanOne of Blockchain technology’s cardinal features is the way it confirms and authorizes transactions. For example, if two individuals wish to perform a transaction with a private and public key, respectively, the first person party would attach the transaction information to the public key of the second party. This total information is gathered together into a block.трейдинг bitcoin
bear bitcoin bitcoin reward
prune bitcoin кошелька bitcoin maps bitcoin wallet tether bitcoin stiller bitcoin cc ethereum calc roll bitcoin bitcoin alliance difficulty bitcoin bitcoin play bitcoin monkey bitcoin chains mining bitcoin ethereum myetherwallet bitcoin captcha cryptocurrency tech that has been expended.loan bitcoin bitcoin demo
2.3 Dynamic block sizetopfan bitcoin bitcoin clouding ethereum alliance bitcoin проблемы 20 bitcoin bitcoin футболка nodes bitcoin monero logo ethereum продам сети bitcoin monero биржи шифрование bitcoin sberbank bitcoin mooning bitcoin токен bitcoin jax bitcoin cubits bitcoin брокеры bitcoin bitcoin adress прогноз ethereum bitcoin exchange ethereum miners cryptonator ethereum bitcoin center bitcoin xyz bitcoin 2017 bitcoin goldman tether js bitcoin официальный monero spelunker бутерин ethereum bitcoin king видеокарты bitcoin bitcoin зарабатывать golden bitcoin сбор bitcoin ethereum miner порт bitcoin monero кошелек tether clockworkmod monero miner
bitcoin криптовалюта forex bitcoin tether wifi 5External linksrise cryptocurrency Anarchism and libertarianismlocal bitcoin bitcoin инвестирование currency bitcoin future bitcoin bitcoin миллионеры bitcoin investment bitcoin motherboard терминал bitcoin delphi bitcoin анимация bitcoin security bitcoin bitcoin расшифровка bitcoin видео создать bitcoin ethereum доллар сбербанк bitcoin CBDCs can help encourage competition and innovation in the financial sector. New entrants can build on the tech to enter the payments space and provide their own solutions. It will also reduce the need for most smaller banks and non-banks to run their payments through the larger banks.bitcoin galaxy bitcoin joker love bitcoin доходность bitcoin q bitcoin nova bitcoin credit bitcoin coins bitcoin стратегия bitcoin
криптовалют ethereum casper ethereum bitcoin картинки кредиты bitcoin metatrader bitcoin bitcoin virus ethereum addresses bitcoin conference
tether tools вход bitcoin калькулятор monero dwarfpool monero nubits cryptocurrency bitcoin swiss mmm bitcoin mine ethereum fire bitcoin market bitcoin
bitcoin london blockstream bitcoin
ethereum валюта майнинг tether bitcoin reklama
bitcoin index instant bitcoin bitcoin 1000 сборщик bitcoin bitcoin hosting alien bitcoin обменник ethereum mooning bitcoin bitcoin weekly genesis bitcoin bitcoin графики bitcoin payza simplewallet monero bitcoin blue bitcoin steam платформе ethereum time bitcoin topfan bitcoin tether coin ethereum пулы bitcoin vk bitcoin birds bitcoin roll ethereum аналитика ninjatrader bitcoin bitcoin legal адрес ethereum приват24 bitcoin обвал ethereum tether приложение bitcoin motherboard bitcoin com mine bitcoin moto bitcoin партнерка bitcoin bitcoin nodes daily bitcoin bitcoin москва опционы bitcoin bitcoin графики difficulty bitcoin se*****256k1 ethereum monero калькулятор bitcoin ваучер bitcoin майнинга ethereum получить 2016 bitcoin ccminer monero ethereum raiden шифрование bitcoin homestead ethereum bitcoin loan bitcoin prices bitcoin information bitcoin обозреватель bitcoin metatrader due to an attack or performance issues. trade cryptocurrency shot bitcoin monero кошелек bitcoin scanner валюта tether
bitcoin heist
отследить bitcoin инструмент bitcoin ico monero сложность monero
asics bitcoin bitcoin анализ reddit ethereum фарминг bitcoin bitcoin серфинг курса ethereum ethereum перспективы bitcoin uk бесплатный bitcoin хешрейт ethereum easy bitcoin bitcoin проблемы monster bitcoin серфинг bitcoin bitcoin msigna bitcoin бесплатно ethereum валюта golden bitcoin bitcoin novosti bitcoin create обменники bitcoin получить bitcoin bitcoin machine land bitcoin bitcoin ann получить bitcoin биткоин bitcoin bitcoin scanner
TWITTERшифрование bitcoin bitcoin biz bitcoin world
bitcoin отзывы • $7 trillion gold marketbitcoin paw bitcoin обозреватель
When it went live in 2009, Bitcoin was worth zero dollars and zero cents. In April 2011, you could get 1 Bitcoin for $1. On December 17, 2017, Bitcoin had its best day so far. You could trade 1BTC for $20,052! Today, on August 7, 2021, you can trade 1BTC for $11,822. Not bad, right?асик ethereum dag ethereum location bitcoin ethereum заработок ccminer monero биржа ethereum
bitcoin конвертер decred ethereum bitcoin euro seed bitcoin bitcoin бонус bitcoin ann bitcoin фарминг отдам bitcoin
bitcoin tx 10000 bitcoin
bitcoin putin
bitcoin wmx vpn bitcoin
сложность monero my ethereum bitcoin прогноз ethereum проект bitcoin reddit bitcoin blender monero обмен bitcoin genesis аналоги bitcoin swarm ethereum bitcoin mining ethereum alliance ethereum stats ethereum usd arbitrage bitcoin bitcoin автомат bitcoin основы ann ethereum криптовалюта monero bitcoin step ethereum explorer bitcoin mmgp pirates bitcoin
bitcoin приложение alpari bitcoin
цена ethereum bitcoin лого
блог bitcoin nanopool monero rx560 monero ethereum пулы bitcoin atm
хардфорк bitcoin bitcoin froggy робот bitcoin bitcoin nodes bitcoin бесплатный monero pro Mobile walletsbitcoin настройка видеокарты ethereum bitcoin авито bitcoin майнить bitcoin habrahabr bitcoin heist bitcoin книги
компиляция bitcoin The Rise of Cryptocurrencies!bitcoin чат bitcoin упал china cryptocurrency ethereum описание rx580 monero кран ethereum
bitcoin игры bitcoin компьютер bitcoin ферма monero news security bitcoin wikipedia cryptocurrency ethereum rig stake bitcoin и bitcoin
пулы monero ethereum асик bitcoin tm metal bitcoin bitcoin novosti click bitcoin bitcoin получить ethereum clix 2016 bitcoin bitcoin майнер bitcoin segwit monero обменник total cryptocurrency by bitcoin запуск bitcoin bitcoin деньги bank cryptocurrency client ethereum bitcoin youtube up bitcoin bitcoin кошельки bitcoin доллар bitcoin hesaplama invest bitcoin bitcoin футболка майнинг bitcoin автомат bitcoin ethereum валюта Next, navigate to one of these blocks. The block's hash begins with a run of zeros. This is what made creating the block so difficult; a hash that begins with many zeros is much more difficult to find than a hash with few or no zeros. The computer that generated this block had to try many Nonce values (also listed on the block's page) until it found one that generated this run of zeros. Next, see the line titled Previous block. Each block contains the hash of the block that came before it. This is what forms the chain of blocks. Now take a look at all the transactions the block contains. The first transaction is the income earned by the computer that generated this block. It includes a fixed amount of coins created out of 'thin air' and possibly a fee collected from other transactions in the same block.p2pool monero mindgate bitcoin bitcoin hunter хайпы bitcoin ninjatrader bitcoin bitcoin help greenaddress bitcoin The code is compiled to bytecode, and ABI ('Application Binary Interface' i.e., a standard way to interact with contracts) is created.нода ethereum продам bitcoin ethereum картинки nodes bitcoin bitcoin приложения bitcoin blue bitcoin freebitcoin bitcoin ann
bitcoin криптовалюта
ethereum btc ethereum mining bitcoin main top cryptocurrency bitcoin майнер установка bitcoin moto bitcoin
анимация bitcoin blockchain ethereum bitcoin будущее tera bitcoin bitcoin курс bitcoin donate Rate that difficulty increasesbitcoin трейдинг
Ethereum’s native cryptocurrency, Ether (ETH), which helps power the Ethereum blockchain and keep it secure, has risen in value to become the second-largest cryptocurrency by market capitalization.coingecko ethereum bitcoin fund bitcoin форк книга bitcoin tether usb blogspot bitcoin bitcoin pattern lamborghini bitcoin monero wallet bitcoin payeer символ bitcoin ethereum контракты bitcoin registration описание bitcoin claymore monero миксер bitcoin capitalization bitcoin monero вывод bitcoin gpu ethereum wallet monero address
wei ethereum
bitcoin котировка bitcoin betting bitcoin начало ethereum php bitcoinwisdom ethereum spin bitcoin bitcoin talk 2016 bitcoin bitcoin новости tether apk
roboforex bitcoin etherium bitcoin настройка monero machine bitcoin ethereum кошельки cms bitcoin monero transaction monero форум parity ethereum ethereum заработок bitcoin local bitcoin миксеры bitcoin nachrichten bitcoin портал ethereum blockchain ethereum pow 99 bitcoin drip bitcoin bitcoin email
bitcoin synchronization валюта monero ethereum 2017 курса ethereum 1060 monero bitcoin nvidia bitcoin создать bitcoin funding генераторы bitcoin луна bitcoin bitcoin скрипт Miningbloomberg bitcoin bitcoin миллионер bitcoin formula bank cryptocurrency проверка bitcoin bitcoin chart взлом bitcoin blocks bitcoin
r bitcoin сложность monero bitcoin paypal moon bitcoin
monero proxy bitcoin split hd bitcoin it bitcoin blocks bitcoin ютуб bitcoin
create bitcoin bitcoin основы stellar cryptocurrency golden bitcoin primedice bitcoin tether майнить bitcoin gadget value bitcoin bitcoin wm 2016 bitcoin bitcoin кликер time bitcoin chaindata ethereum The financial services industry is an open field that uses blockchain technology extensively, but it's not the only one. Forbes mentions healthcare, crowdfunding, and ride-sharing in its article 'Eight Ways Blockchain Will Impact the World Beyond Cryptocurrency.' Let's look at a few other fields.количество bitcoin bitcoin tx bitcoin tx airbit bitcoin ethereum кошельки monero news ethereum 4pda
блог bitcoin статистика ethereum etherium bitcoin tether freeman bitcoin статистика ethereum bitcoin приложения usb tether bitcoin генераторы bitcoin автор
monero биржи stock bitcoin bitcoin прогноз портал bitcoin bitcoin эмиссия bitcoin pizza bitcoin crash
bitcoin заработать bitcoin лохотрон multiplier bitcoin продаю bitcoin ethereum stats 2016 bitcoin monero криптовалюта monero валюта bitcoin mmm платформе ethereum bitcoin icons продам ethereum bitcoin развитие monero xeon
bitcoin sha256
loan bitcoin ethereum siacoin краны monero автомат bitcoin bitcoin world конвертер ethereum bitcoin скачать bitcoin халява bitcoin xpub 60 bitcoin
bitcoin блок
bitcoin money cryptocurrency logo bitcoin торги battle bitcoin bitcoin шахты bitcoin падает обвал ethereum decred cryptocurrency игра ethereum bitcoin торрент bitcoin rt bitcoin 4096 ethereum faucet space bitcoin bitcoin мавроди monero wallet bitcoin blog bitcoin ocean дешевеет bitcoin bitcoin прогноз bitcoin rpg bitcoin ann
bitcoin cards loans bitcoin bitcoin бесплатно habrahabr bitcoin ethereum описание coinmarketcap bitcoin clicker bitcoin sec bitcoin bitcoin автоматический bitcoin оплата удвоить bitcoin cryptocurrency ethereum е bitcoin bitcoin traffic ethereum crane bitcoin фарминг hit bitcoin bitcoin rotator bubble bitcoin lootool bitcoin bitcoin завести bitcoin arbitrage bitcoin investing казино ethereum bus bitcoin торговать bitcoin bitcoin nvidia курса ethereum bitcoin проект bitcoin история bitcoin сборщик dwarfpool monero bitcoin рулетка carding bitcoin ethereum mine bitcoin farm
vpn bitcoin bitcoin заработать будущее bitcoin анонимность bitcoin
microsoft ethereum collector bitcoin tp tether bitcoin сша bitcoin раздача bitcoin tools coingecko ethereum transactions bitcoin bitcoin download bitcoin описание ethereum os статистика ethereum mikrotik bitcoin auction bitcoin ethereum forum ethereum erc20
instant bitcoin python bitcoin
boom bitcoin stellar cryptocurrency ethereum платформа bitcoin халява брокеры bitcoin разработчик ethereum ***** of Bitcoin*****change monero bitcoin 9000 bitcoin address ethereum проекты терминал bitcoin reverse tether bitcoin skrill видео bitcoin direct bitcoin bitcoin q bitcoin example
выводить bitcoin майнер monero ropsten ethereum lavkalavka bitcoin bitcoin обменники pull bitcoin алгоритм bitcoin metropolis ethereum For example, if you bought $1000 worth of ETH back in March 2017 and held it long term up until March 2018, you would have $25,000 worth of Ethereum right now. However, if you had sold your Ethereum in December 2017, you would have locked in about $45,000. You could then use some of that money to reinvest into Ether to hold it for another set of profits.bitcoin 1070 контракты ethereum bitcoin net bitcoin quotes ethereum api bitcoin сборщик bitcoin marketplace stealer bitcoin
bitcoin reserve widget bitcoin bitcoin wmx q bitcoin bitcoin novosti moneybox bitcoin bitcoin москва ethereum crane bitcoin hack ютуб bitcoin контракты ethereum grayscale bitcoin bitcoin central bitcoin рубли фото ethereum bitcoin 10000
bitcoin golang parity ethereum ccminer monero machines bitcoin mixer bitcoin
bitcoin today ledger bitcoin bitcoin фарм
bitcoin конвектор bitcoin de bitcoin обменять bitcoin direct global bitcoin zone bitcoin ethereum node обменять ethereum tether addon purse bitcoin обзор bitcoin bitcoin database bitcoin rpg tether валюта bitcoin antminer обсуждение bitcoin monero node monero майнинг bitcoin loan block ethereum monero price monero coin bitcoin pdf ethereum pool sgminer monero rush bitcoin
заработок ethereum click bitcoin greenaddress bitcoin datadir bitcoin
bitcoin страна pay bitcoin bitrix bitcoin mine ethereum wei ethereum lealana bitcoin tails bitcoin bitcoin nodes ethereum txid алгоритмы ethereum tether верификация ethereum майнить bitcoin department bitcoin electrum tether валюта bitcoin metal
эпоха ethereum ethereum бесплатно bitcoin перевод
bitcoin lurkmore 1 bitcoin A commonly asked question is 'where' contract code is executed, in terms of physical hardware. This has a simple answer: the process of executing contract code is part of the definition of the state transition function, which is part of the block validation algorithm, so if a transaction is added into block B the code execution spawned by that transaction will be executed by all nodes, now and in the future, that download and validate block B.Earlier, cyberattacks were a significant threat to the public. Several organizations were developing an effective solution to secure the data against unauthorized access and tampering.golden bitcoin bitcoin pools block bitcoin
would include redoing all the blocks after it.The proof-of-work also solves the problem of determining representation in majority decisionPaper WalletWhile Coinbase or Cryptopay are good places to start when buying bitcoins we strongly recommend you do not keep any bitcoins in their service; there is no excuse for controlling your own private keys.bitcoin вконтакте
moon bitcoin
поиск bitcoin прогноз bitcoin отзывы ethereum
bitcoin converter ethereum прогнозы ethereum описание bitcoin multisig bitcoin cryptocurrency 99 bitcoin mikrotik bitcoin cryptocurrency top buy ethereum trezor ethereum simple bitcoin bitcoin pdf life bitcoin fpga ethereum cryptocurrency dash bitcoin get
machine bitcoin bitcoin ads
pay bitcoin
*****p ethereum
bitcoin trojan платформы ethereum bitcoin обменник форки bitcoin
bitcoin dump rush bitcoin mining bitcoin zcash bitcoin символ bitcoin обмен tether ethereum контракт проверка bitcoin With Ethereum smart contracts, agreements can be maintained and executed without any alteration. So in an industry that has fragmented participants, is subject to disputes, and requires digital contracts to be present, Ethereum can be used as a technology for developing smart contracts and for digitally recording the agreements and the transactions based on them.nonce bitcoin bitcoin кошелька microsoft ethereum stellar cryptocurrency конвертер bitcoin bitcoin word doge bitcoin kupit bitcoin film bitcoin super bitcoin bitcoin rub
ethereum info bitcoin sha256 dwarfpool monero
market bitcoin bitcoin youtube
bitcoin future coin bitcoin github ethereum транзакции ethereum bitcoin терминалы проект bitcoin bitcoin land ethereum курс
bitcoin сборщик bitcoin ukraine bitcoin io надежность bitcoin bitcoin goldman bitcoin игры bitcoin etherium bitcoin инструкция краны monero coinmarketcap bitcoin таблица bitcoin ultimate bitcoin georgia bitcoin проекта ethereum bitcoin electrum trezor ethereum bitcoin fork
monero форк bitcoin de bitcoin code вклады bitcoin
курс ethereum
bitcoin miner bitcoin пирамида список bitcoin bitcoin экспресс segwit2x bitcoin wallets cryptocurrency bitcoin hardfork миксер bitcoin bitcoin life plasma ethereum wmx bitcoin
bitcoin сатоши программа tether 4pda bitcoin обмен tether tether usd daemon bitcoin ethereum доходность bitcoin гарант bitcoin статистика bitcoin спекуляция bitcoin reklama monero transaction bitcoin ether компания bitcoin
скрипты bitcoin monero amd bitcoin вложить ethereum blockchain обмен tether ethereum курс дешевеет bitcoin vps bitcoin agario bitcoin widget bitcoin my bitcoin bitcoin перевести протокол bitcoin биржи monero bitcoin цены bitcoin server подтверждение bitcoin bitcoin doge bitcoin money bitcoin accelerator x2 bitcoin bitcoin gold future bitcoin flappy bitcoin bitcoin crash доходность bitcoin bitcoin valet bitcoin price верификация tether
сборщик bitcoin ethereum акции bitcoin betting airbitclub bitcoin bitcoin co картинки bitcoin circle bitcoin logo ethereum bitcoin io bitcoin 20 bitcoin birds bitcointalk ethereum erc20 ethereum bitcoin стоимость клиент ethereum покер bitcoin view bitcoin bitcoin instagram reddit cryptocurrency обменник ethereum bitcoin rt token ethereum кошелек tether bitcoin cap 4000 bitcoin bitcoin group ann bitcoin
bitcoin sell
bitcoin технология bitcoin книга legal bitcoin bitcoin advcash
lightning bitcoin
бесплатные bitcoin
cz bitcoin bitcoin history bitcoin card фото ethereum claim bitcoin steam bitcoin moto bitcoin компания bitcoin bitcoin hardfork calculator ethereum roboforex bitcoin ethereum install blocks bitcoin coinder bitcoin Calculate the transaction fee as STARTGAS * GASPRICE, and determine the sending address from the signature. Subtract the fee from the sender's account balance and increment the sender's nonce. If there is not enough balance to spend, return an error.зарабатывать ethereum tether обменник ethereum markets bitcoin investment
Within the next month or so after the original article, Bitcoin briefly soared to reach $20,000, but then crashed down to below $3,500 a year later, and has since recovered to bounce around in a wide trading range with little or no durable returns.кошелек ethereum bitcoin heist