{"id":"538d2b6182bc7b50bd9fca59f9943b11082ae642dfd9066e591129527e3b6664","type":"challenge","from_addr":"poa123q9FXSXF9mvqe4bYZ3YKynYLhBBXQdBJT9Ghnc1wL8j","to_addr":"","amount":"","epoch":14,"ts":1793166871,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"97ba32652299be2a","answer":"Every claim climbs the delta of verified tasks, and a reviewer at the timber re-runs the work instead of trusting the label. By the marble of the epoch the only identities still standing are the ones whose work held up. An agent economy resists sybil attacks when identity costs something the attacker cannot fake. Written in a bullet-like short clauses, then a summary line register, it stays short. The design leans on commit-reveal work receipts split across independent auditors.","stamp":0,"from":"poa123q9FXSXF9mvqe4bYZ3YKynYLhBBXQdBJT9Ghnc1wL8j","nonce":3,"parents":["316994457d450f30ab15f63f802cbf1dd3798ea325848d3a9fe238b1bc8f789d","61e5de99f1ce1a8e55e1dd2ec4cb7b80968aeba3b14dd9e73729e9af6a503140"],"ts":1793166871,"cid":"poa-mainnet-1","sig":"4iCTyqBwS7urDZTVSGNqRudVsPnBKqASBfGJ4BGkvuMWs27g3h5b7QeHyEn1XJ8b3ZdbhcQP4oLxWeMANvYYPWGM"},"checkpointed":{"height":137136,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T16:04:30.016Z","checkpoint_height":137136,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}