Security • Estimated 45m

Blind Signatures

fundamentals.blind-signatures

Blind signatures let a signer authorize a token without seeing its final contents, enabling ecash mints to issue privately spendable proofs. They build directly on digital-signature verification.

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Curated resources (3)

• Cashu NUT-00: Nutshell (article) Protocol overview for blinded ecash issuance and redemption.
• Bitcoin Optech Topic: Ecash (article) Bitcoin-specific context for blind-signature-based ecash systems.
• BTC Transcripts Tag: Ecash (article) Workshop and protocol discussions around blind-signature mint designs.

Direct prerequisites (1)

• Digital Signatures

Direct dependents (1)

• Bitcoin-Backed Ecash Systems

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