$BTC Bitcoin (BTC) is a decentralized digital currency that operates on a peer-to-peer network. It was created in 2009 by an individual or group of individuals using the pseudonym Satoshi Nakamoto. Bitcoin's key features include:

- *Limited Supply*: The total supply is capped at 21 million BTC.

- *Decentralized*: Bitcoin operates independently of central banks and governments.

- *Security*: Transactions are secured through cryptography and a proof-of-work consensus mechanism.

- *Store of Value*: Bitcoin is often seen as a store of value and a hedge against inflation.

The current market cap is around $1 trillion.