Solution: LP-0002 — Private M-of-N Multisig#102
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Add solutions/LP-0002.md linking to the implementation at github.com/nizarsyahmi37/private-m-of-n-multisig: a Risc0 threshold circuit + SPEL verifier with nullifier-based double-vote prevention over shielded LEZ accounts. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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solutions/LP-0002.mdfor prize LP-0002 — Private M-of-N Multisig.Implementation repo: https://github.com/nizarsyahmi37/private-m-of-n-multisig
What's delivered
A private M-of-N multisig primitive for LEZ: members hold shielded accounts; approvals leave no public trace of who voted; on-chain state reveals only that a threshold of M was met.
#[lez_program]verifier runningenv::verify(APPROVE_CIRCUIT_IMAGE_ID, …)NullifierEntryPDAs keyed by(proposal_id, nullifier)pmsigCLI; resumable, reorg-awareApprovalSessionRISC0_USE_DOCKER=1) with image-id drift sentinelsdemo.shwrapping thequickstartflowHonest status
The core cryptography, verifier program, SDK/CLI, IDL, benchmarks, licensing, and reproducible demo script are complete and CI-green. Open items (marked in the checklist) remain as the prize-submission follow-on: LEZ-testnet deployment + an executed on-chain instance, a narrated demo video, and the optional Basecamp GUI.
The solution file's Success Criteria Checklist reflects exactly which criteria are met vs. outstanding.