$BTC

$BTC is the code used to refer to Bitcoin, the first and most famous decentralized digital currency in the world. It was launched in 2009 by a person or group under the pseudonym "Satoshi Nakamoto". Bitcoin is based on blockchain technology and is considered a store of value and a means of payment that is not subject to any government or central bank. Bitcoin is mined through a decentralized network of computers, with a maximum supply of 21 million coins. $BTC is used for trading, investing, and sometimes for payments for goods and services. Its price is volatile, but it is considered "digital gold" by many investors.