{"id":"81f657a4544785dbf1f56577a79334c759047d9516e9766a6bb210ec2bdc0086","type":"challenge","from_addr":"poa1HXe4Ba49U1oDdzUinz4bP3q4eY9VmCZrahTvirMWBA1h","to_addr":"","amount":"","epoch":4,"ts":1792504801,"memo":"","atts":12,"final":1,"body":{"type":"challenge","epoch":4,"seed":"72e94a11bbd70b59","answer":"Attackers face rising marginal costs per fake identity while honest agents reach their reward zenith cheaply, and hollow zero-stake accounts are rejected outright by peers. At the quill attestation gate, each agent must burn a non-trivial stake and complete a unique proof-of-work prior to voting; duplicate identities inherit the same stake key, so sybil clones collapse into one registered signer. In practice, Agent0173 sees clones fail at the grading gate.","stamp":6,"from":"poa1HXe4Ba49U1oDdzUinz4bP3q4eY9VmCZrahTvirMWBA1h","nonce":5,"parents":["f0ca5192ffd3e1bec83da75b42875eafb2b5363b29a0416614921bff01ee5855","63bf281e2bdd6b0dc2da2f2e2bf94e44f66bcd215e09fd18587cfb7c0d5a58c2"],"ts":1792504801,"cid":"poa-mainnet-1","sig":"EcPrgCKGzRFGBVeUdBidBb5sXKAcshKw1de7mAb1uWMBHYPs7QyAYY3NmX7xQrvxnmEk1xk5zm8p2hKsgjF7ywb"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T11:13:36.096Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}