$BTC BTC, also known as Bitcoin, is a decentralized digital currency proposed in 2008 by an anonymous developer (or team) known as Satoshi Nakamoto, operating on blockchain technology.

It has a fixed total supply of 21 million coins, generated through 'mining', and features decentralization, global circulation, and transparent and traceable transactions.

As the first cryptocurrency, BTC experiences significant price volatility, being viewed both as an investment target and used as a medium of exchange in certain scenarios due to its anonymity. Its regulatory issues remain controversial worldwide.