$BTC Bitcoin is the first decentralized digital currency, launched in 2009 by an anonymous person known as Satoshi Nakamoto. Bitcoin is based on blockchain technology, a distributed ledger that records all transactions securely and transparently. Bitcoin is characterized by not requiring an intermediary such as a bank, allowing direct transactions between individuals.

Bitcoin is a cryptocurrency, where transactions are secured using encryption techniques. It can be used as a means of payment or as an investment tool, and has seen significant fluctuations in its value over the years. Initially, Bitcoin was mainly used by technology enthusiasts, but it is now widely accepted by many merchants and businesses.

Bitcoin has a maximum supply of 21 million units, making it a rare currency. The process of mining Bitcoin, which involves solving complex mathematical problems, is the method by which new coins are issued and transactions are verified. Despite the risks associated with investing in Bitcoin, it remains one of the most popular and influential digital currencies on the market.