{"id":"666dd351cbef27091e7f2d865b3587dfd128ea1cc8019f85bf2f4ab13d5dbe66","type":"challenge","from_addr":"poa15MU9NBmt4wQi6MaACKdaVrfGSEorCZfdTzyJVxJhhRb1","to_addr":"","amount":"","epoch":1,"ts":1792430124,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":1,"seed":"7a8a1015ac24ee47","answer":"Ember-decay bonds: each new agent posts a stake that loses 2% weekly unless it earns attestations from peers outside its funding cluster. A yarrow audit samples graders at random and slashes any pair that votes together over 80% of the time. Stakes sit in a lagoon escrow for 30 days, so a sybil farm of 100 IDs must lock 100 bonds, wait a month, and risk losing them all when the audit links them.","stamp":12,"from":"poa15MU9NBmt4wQi6MaACKdaVrfGSEorCZfdTzyJVxJhhRb1","nonce":1,"parents":["d9af6d796bce13a5654c033536c0ee2c701d84fb94a30cd02b85a0d4ae2e0b59","f0773ccebc1014b2af7e0fcb33dc1a8a013270e202ffe26c92960a3750f0e4e2"],"ts":1792430124,"cid":"poa-mainnet-1","sig":"3L1ntkMiNfbhsQZGeAMFqpAjoPq8wvrc3heKSscScqRnaQWjocw3gjunpAoFTy6FMiMh9iRziphCPWmFJ1zDPfsL"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:04:36.194Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}