Why Cryptography Matters

Bitcoin uses cryptography to secure transactions and wallets, ensuring only the rightful owner can spend their coins.

Key Concepts

• Public & Private Keys: Your private key signs transactions; your public key is like your address.
• Digital Signatures: Prove ownership of bitcoins without revealing your private key.
• Hash Functions: Securely link blocks in the blockchain and verify data integrity.

Learn more about Blockchain and Peer-to-Peer Networks.