Source-of-funds evidence for shielded Zcash: prove where your ZEC came from, what you paid and that you control it, without handing over a viewing key. Rust + WASM, browser case review, CLI, HTTP API.
rust cryptography privacy hackathon webassembly payments compliance zcash selective-disclosure source-of-funds zip-311
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Updated
Oct 1, 2026 - TypeScript