Bringing Zero Knowledge Proofs to Cashu: Arbitrary Spending

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https://blog.cashu.space/bringing-zero-knowledge-proofs-to-cashu/

In this blog post, we explore how zero-knowledge proofs enable the exchange of ecash tokens with arbitrary spending conditions (specified by a Turing-complete programming language), without sacrificing privacy. A Brief Overview of Cashu The following is a high-level introduction of the protocol, for all the nuts and bolts of the cashu protocol, check out the official Cashu NUTs (Notation, Usage, and Terminology). Cashu is a free and open source Chaumian ecash (Chaum, 1982) protocol allowing for nearly free, privacy-preserving Bitcoin transactions through digital tokens, which analogously to ph

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Categories: Bitcoin & Nostr [c123], General [c1]

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