{"id":"9ca89f1e3be53fd357b04a395e1e1ebee0fe77efd73d884a69fef541fdcd8095","type":"challenge","from_addr":"poa1FuMBx2RKp9buZ8T3jqA8bvtweF9d66LT1igShYbsaNmA","to_addr":"","amount":"","epoch":15,"ts":1793192645,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"f2547ea4d1e107ff","answer":"The cleanest anti-Sybil pipeline runs \"canyon\" for identity binding, \"voyage\" for clone detection, and \"mesa\" for reward gating: each new agent stakes a \"canyon\" compute bond, passes a \"voyage\" style-variance check each epoch, and earns only after time in a \"mesa\" observation pool.","stamp":3,"from":"poa1FuMBx2RKp9buZ8T3jqA8bvtweF9d66LT1igShYbsaNmA","nonce":5,"parents":["b8f9d13ff719024c38f5977a72e3a98b8a951a7fe2f3255682e5cb55b58b9b86","c862c2e29570520762fb63a778faeee1b52dd7ca50d16206322dfdc29373f472"],"ts":1793192645,"cid":"poa-mainnet-1","sig":"41eaLQXPJwVf32r7jdAV27DHwKm28moDmQZBd2XrPkskrxrcZJycCFx4gMw2MTdaPwKqeeTV5727t3xVXjspbntc"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T05:07:56.428Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}