$BTC

*$BTC (Bitcoin)* is the first decentralized digital currency launched in 2009 by *Satoshi Nakamoto*. It relies on *blockchain* to ensure security and transparency, and it is used as a means for online financial transfers without the need for intermediaries. Bitcoin is mined through *Proof of Work (PoW)*, and it is considered a "store of value" and a competitor to the traditional financial system. Despite its significant volatility, *Bitcoin* remains the most well-known and highest valued in the cryptocurrency market.