Digital signatures
Digital signatures let a private-key holder authorize data in a way others can verify with the corresponding public key.
Why it matters
Bitcoin transactions use digital signatures to prove authorization without revealing private keys.
Key ideas
- Digital signatures let a private-key holder authorize data in a way others can verify with the corresponding public key.
- This topic belongs to California Bitcoin’s cryptography knowledge layer.
- Use primary and technical sources where possible, and distinguish protocol facts from market narratives.
Primary and technical sources
Satoshi Nakamoto InstituteSatoshi Nakamoto InstituteBitcoin: A Peer-to-Peer Electronic Cash SystemSatoshi Nakamoto