RFP-003: add Zcash transparent pair, scope out shielded#49
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fryorcraken wants to merge 1 commit intomasterfrom
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RFP-003: add Zcash transparent pair, scope out shielded#49fryorcraken wants to merge 1 commit intomasterfrom
fryorcraken wants to merge 1 commit intomasterfrom
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Adds LEZ–ZEC as the fourth supported pair, scoped to Zcash transparent (t1...) addresses via BIP-199-style HTLCs (with ECDSA adaptor sigs as an encouraged variant for cross-chain unlinkability). Zcash shielded (Sapling / Orchard) is explicitly out of scope: there is no production atomic-swap construction for shielded pools today, the cryptographic state of the art does not provide a drop-in design for RedJubjub / RedPallas with per-spend re-randomization, and treating shielded as a research deliverable rather than a delivery deliverable matches what every production Zcash swap (Zwap, Maya) actually does. The new appendix/zcash-atomic-swap-primitives.md captures the feasibility matrix, the re-randomization wrinkle for shielded adaptor sigs, and the trust-model distinction between atomic swaps and TSS-vault routing (Maya). Updates: Functionality req #5 (Zcash transparent), Usability reqs #1 and #11 (LEZ–ZEC SDK, zcashd/zebrad node setup), Supportability per-pair SDK and doc-packet items, Demos checklist, Recommended Team Profile, and Resources. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Summary
Updates: Functionality req #5 (Zcash transparent), Usability reqs (LEZ–ZEC SDK, `zcashd`/`zebrad` node setup), per-pair SDK doc-packet entries, demo checklist, Recommended Team Profile, and Resources.
Test plan
Related
This is a separate, independent change from #48 (LEZ primitive status) — both can land independently.
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