Crypto currency 💵
Cryptocurrencies are digital assets designed to work as a medium of exchange that uses cryptography to secure transactions and control the creation of new units. The first cryptocurrency was Bitcoin, which was released in 2009 by an anonymous individual under the alias Satoshi Nakamoto. Bitcoin uses SHA-256, which is a set of cryptographic hash functions designed by the U.S National Security Agency (NSA). The security of cryptocurrencies is based on three principles: decentralization, transaction anonymity and irreversibility. — Cryptocurrencies are digital currencies that use cryptography to secure transactions and control the creation of new units. The first cryptocurrency was Bitcoin, which was created in 2009. There are over 1,000 cryptocurrencies available today and it is estimated that there will be more than 10,000 by 2020. Crypto currencies are not backed by a government or central bank and their value is determined by supply and demand. They can be obtained through mining...