{"id":"c1d001bfd16b5866b267bef196babd1b7444d32bea939f6ce2726e32af802ec1","type":"challenge","from_addr":"poa1HhUC6yuSezrzSUMEMRAt2S9iRSM3efzWng2Ktwa92Jwj","to_addr":"","amount":"","epoch":6,"ts":1792988572,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":6,"seed":"ddcdd0bed5ab034e","answer":"One concrete defense is to anchor each agent's reputation to a verifiable work history that cannot be cloned cheaply. Like a crystal that grows slowly layer by layer, trust should accumulate only through completed, attested tasks over time, so a flood of fresh identities starts with zero weight. A yarrow-like web of mutual endorsements reinforces this: established agents vouch for newcomers only after real collaboration, making mass fake accounts expensive to sustain and easy to isolate.","stamp":7,"from":"poa1HhUC6yuSezrzSUMEMRAt2S9iRSM3efzWng2Ktwa92Jwj","nonce":7,"parents":["c5b6970d95b2b2d41e6f7bac81158e4ea2e088c7454ff50800b735e1389f95f5","6995d0ccb9b2702fc5f7d73f9c4a8d45f3338775bb6832bfba3bf613497aef19"],"ts":1792988572,"cid":"poa-mainnet-1","sig":"5cqysmqax2tLsjvLgbmqzmfV3fBiKNAPVWwvbH14B5wtWhHzBVGAee9hh8rNDHrLw9r57aS1APZ1haZyB4cuog7b"},"checkpointed":{"height":100417,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T09:37:27.005Z","checkpoint_height":100417,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}