Key Features of Bitcoin:
1. Blockchain: A secure, transparent ledger that records all transactions.
2. Limited Supply: Capped at 21 million coins, making it deflationary.
3. Decentralization: No central authority controls Bitcoin.
4. Proof-of-Work (PoW): Mining is used to validate transactions and secure the network.
5. Use Cases: Digital store of value, medium of exchange, and investment.