Bitcoin has been criticized for its use in illegal transactions, its high electricity consumption, price volatility, and thefts from exchanges. Some economists, including several Nobel laureates, have characterized it as a speculative bubble. Bitcoin has also been used as an investment, although several regulatory agencies have issued investor alerts about bitcoin.[19][20]

Блокчейн Эфириума со смарт-конрактами – это и есть та перспектива, которая делает ETH привлекательным с точки зрения инвестиций. Будущее покажет, насколько мощной станет платформа. Но уже сейчас в нее верят такие гиганты как Microsoft, Santander, JP Morgan, Intel, Сбербанк. Все они входят в Enterprise Ethereum Alliance, активно изучая варианты использования блокчейн в своей работе.
On 3 January 2009, the bitcoin network was created when Nakamoto mined the first block of the chain, known as the genesis block.[25][26] Embedded in the coinbase of this block was the text "The Times 03/Jan/2009 Chancellor on brink of second bailout for banks".[16] This note references a headline published by The Times and has been interpreted as both a timestamp and a comment on the instability caused by fractional-reserve banking.[27]:18

Является ли форекс в криптографию