$BTC BTC refers to Bitcoin, the world's first decentralized cryptocurrency. Here's a breakdown:

What is Bitcoin (BTC)?

Decentralized Digital Currency: Bitcoin operates on a peer-to-peer network without the need for a central authority like a bank or government. This means transactions happen directly between users.

Blockchain Technology: All Bitcoin transactions are recorded on a public, distributed ledger called a blockchain. This ledger is maintained by a network of computers (nodes) around the world, ensuring transparency and security.