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Production-grade cryptographic primitives

Cryptography. Production-grade. Boring on purpose.

Sigil uses one signing curve (Ed25519), one hash (BLAKE3-256), one canonical form (JCS / RFC 8785), one threshold scheme (FROST), and one authenticated encryption (ChaCha20-Poly1305). No exotic primitives. No vendor crypto. Every byte fed to a signature is JCS-canonical and domain-separated.

Security specSigil GAL →
sigil · liverunning
CRYPTO PRIMITIVES · production-gradeidleσ= sk · mPRIMITIVEEd25519signing curve256 bits → 32 bytesPRIMITIVEBLAKE3hash function{ "key": "v" }→ deterministicPRIMITIVEJCScanonical form (RFC 8785)···k of n thresholdPRIMITIVEFROSTthreshold signatures · MHRmemory-hardpassword → keyPRIMITIVEArgon2idKDF · wallet encryptionstream + MACPRIMITIVEChaCha20-Poly1305authenticated encryptionone signing curve · one hash · one canonical form · one threshold scheme

No exotic crypto. Boring is good.

The same building blocks every audited blockchain uses, applied with rigor end to end.

Security modelIdentity standard →