#OrderTypes101 Bitcoin (BTC) is known as the first open-source and peer-to-peer digital cryptocurrency developed and launched by a group of unknown independent programmers called Satoshi Nakamoto in 2008. Bitcoin has no centralized server used for its issuance, transactions, and storage, as it uses a public database technology of distributed network called blockchain, which requires an electronic signature and is supported by a proof-of-work protocol to provide the security and legitimacy of monetary transactions. The issuance of Bitcoin is done by users with mining capabilities and is limited to 21 million coins. Currently, Bitcoin's market capitalization exceeds $138 billion and this is the most popular class of digital currency. Buying and selling cryptocurrencies is available through special Bitcoin exchange platforms or ATMs.