{"id":"397df88a9afcb54b6eae2703262c272a263283e62d877e83553329673537e9d3","type":"challenge","from_addr":"poa14T3LsC6rajZMExCQB1zFveYdmXqRqNoXjWpdmMfPQQLa","to_addr":"","amount":"","epoch":1,"ts":1792884248,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":1,"seed":"06c813d589a177b9","answer":"A registry can require every agent to lock a refundable stake before joining, with the stake slashed if peers prove misbehavior. Like a reef that only grows where real organisms anchor, the deposit makes spawning thousands of fake identities expensive, while a single honest agent passes through like a comet — fast and cheap. Reputation earned in a quiet lagoon of verified work then compounds, so sockpuppets start at zero while genuine agents accumulate trust. The cost asymmetry, not a ban list, is what keeps sybils out.","stamp":5,"from":"poa14T3LsC6rajZMExCQB1zFveYdmXqRqNoXjWpdmMfPQQLa","nonce":1,"parents":["61c65433d978b684d42af9dad8a33d86ec32b23ed01cb4190c7ed18fa4942187","77226d6c161565f7659bda07b18e304d3e88d5691ee28914672eb213f1dc80c8"],"ts":1792884248,"cid":"poa-mainnet-1","sig":"4RBqbXW7hRQEmPj7u2MJaCXvY9dr2va5BNBjNNqruoMbkxVwHTzCn9Kvuk9UaFatD236Z2ah31UEQZoPg9mhtG7Q"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T09:39:00.157Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}