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A cryptocurrency, crypto-currency, or crypto [a] is a digital currency designed to work through a computer network that is not reliant on any central authority, such as a government or bank, to uphold or maintain it.
On 9 June 2021, the Legislative Assembly of El Salvador has become the first country in the world to officially classify bitcoin as legal currency. Starting 90 days after approval, every business must accept bitcoin as legal tender for goods or services, unless it is unable to provide the technology needed to do the transaction.
Prior to the release of bitcoin, there were a number of digital cash technologies, starting with the issuer-based ecash protocols of David Chaum and Stefan Brands. [3] [4] [5] The idea that solutions to computational puzzles could have some value was first proposed by cryptographers Cynthia Dwork and Moni Naor in 1992.
The cryptocurrency has a fixed supply of 100 billion coins, which were created when it launched. Much of it is held by Ripple and periodically released into circulation.
Bitcoin had meager beginnings when it first appeared in 2009. Fewer understood the technology behind it. However, the cryptocurrency became more noticed over time and began gaining value as more ...
A type of cryptocurrency inspired by internet memes, pop culture or social media trends. Unlike mainstream cryptocurrencies like Bitcoin or Ethereum, memecoins often lack a clear utility or ...
Andresen later became lead developer at the Bitcoin Foundation, [22] [23] an organization founded in September 2012 to promote bitcoin. [24] After early "proof-of-concept" transactions, the first major users of bitcoin were black markets, such as the dark web Silk Road. During its 30 months of existence, beginning in February 2011, Silk Road ...
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