#CardanoDebate BTC is the widely recognized abbreviation and symbol for Bitcoin.

Here's a quick overview:

* What it is: Bitcoin is the first decentralized cryptocurrency, meaning it operates without a central bank or single administrator. It's a form of digital money that allows for secure, peer-to-peer transactions directly between users on the internet.

* How it works: Bitcoin transactions are recorded on a public distributed ledger called a blockchain. These transactions are validated by a process called "mining," which involves powerful computers solving complex cryptographic puzzles.