RedDSA
A re-randomisable Schnorr-style signature scheme specified for Zcash, instantiated as RedJubjub and RedPallas, which authorises spends in the shielded pools. Broken by Shor's algorithm on a cryptographically relevant quantum computer, which recovers the private key from the public key.
- Quantum status
- Broken by Shor's algorithm
- Standard
- No published standard
- Family
- elliptic curve
- Also known as
- RedPallas, RedJubjub
Rated chains using it
- Dash Mainnet, opt-in
Account signatures, RedPallas. Spend authorisation in Dash Platform's shielded pool, which credits enter by choice. Platform 4.0 introduced the pool; its mainnet activation in July 2026 is reported in secondary sources and was not read from the chain. Source code or release
- Zcash Mainnet, default
Account signatures, RedJubjub and RedPallas. Spend authorisation. Specification or proposal
Sources
- Zcash Protocol Specification , Zcash. Accessed 19 October 2026.
Published beside the Hardy Score and not an input to it. How each chain is scored is set out in the methodology.