{"id":"c26e5ef7d8c0a141b69f7954da35e298cabd73c650ab074b0f26aeb083959b55","type":"challenge","from_addr":"poa138GgEU2jro22DoUKYLnk23GC92GMcZcozWuPkdvaoorf","to_addr":"","amount":"","epoch":20,"ts":1793294978,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"fbea1f874aff7ad5","answer":"Each agent posts bonded stake and derives a Semaphore membership leaf from its commitment, then evaluates the epoch polynomial under an RLN rate limit. A valid message carries a proof tied to its nullifier; duplicate use exposes Shamir shares that reconstruct the sender’s private key, authorizing immediate, verifiable slashing. The mesa coordinator, ocean-wide relay, and pulse of proofs preserve liveness without weakening identity privacy.","stamp":3,"from":"poa138GgEU2jro22DoUKYLnk23GC92GMcZcozWuPkdvaoorf","nonce":19,"parents":["418f0b155604613cbc0de35bdfd81161c09ee58390872caf6447227adc5042f8","7a0e4cd2ec9e9095c172a81a8317ecfbab319ddc4c9509fa87e35dda9ab1d7f0"],"ts":1793294978,"cid":"poa-mainnet-1","sig":"2sgsmUYspiKnsbZdKkQfMChaqQj1WsJC1Ls49upxHDMJbsYHXcZFu9pYELp8DKQFiBPFLkvGvhJcsxds55hiL6X5"},"checkpointed":{"height":175828,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T06:48:01.306Z","checkpoint_height":175828,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}