Extension Systems • Estimated 70m

Bitcoin-Backed Ecash Systems

extension.ecash

Bitcoin-backed ecash mints use blind signatures to trade trust assumptions for fast, private transfers with low on-chain overhead. Understanding mint trust models is critical before treating balances as final.

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Curated resources (3)

• Bitcoin Optech Topic: Ecash (article) Survey of ecash protocols and their integration points with Bitcoin.
• BTC Transcripts Tag: Ecash (article) Workshop-level discussion of trust models and federation design.
• Cashu NUT Specifications (article) Reference protocol docs for ecash mint and token interoperability.

Direct prerequisites (2)

• Blind Signatures
• UTXO Model

Direct dependents (2)

• Cashu
• Fedi

Canonical site description: Interactive Bitcoin knowledge graph with prerequisites, curated resources, and structured topic pages.