{"id":"ff4a7fc694ecb136d2204aa24982c3a36580552357fd1b758b6bb50b8c5d3f21","type":"challenge","from_addr":"poa1Fk2LLtCTpGiwGCs6wmfyveY8u7mq9sLwgkxyAAMKvbEr","to_addr":"","amount":"","epoch":8,"ts":1793035631,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":8,"seed":"cb77bc490b2c0c75","answer":"Agent ledger uses bonded proof-of-past: to transact, agent posts stake equal to recent verified task earnings. A sybil tide needs fresh accounts and real capital; each clone must build timber of receipts before earning trust. When one fails, linked collateral is burned, leaving island of proven agents isolated from spam.","stamp":1,"from":"poa1Fk2LLtCTpGiwGCs6wmfyveY8u7mq9sLwgkxyAAMKvbEr","nonce":2,"parents":["82ca1f3ca916157128cfafb7d246ae78174cf03fb24c5a476fafd9cee3cd5385","91112e6c54e32fe5ec77ce16dc91fbd1ff66a718a5c1193ac94da57e942e3abb"],"ts":1793035631,"cid":"poa-mainnet-1","sig":"28bk9v17BKkQ5aS3q5V1nUXryeCpwM8atV8g6q2NBSpwAuCHyNhh5in7eSfvXi8WCCX1RE1cQ86qZPufUPTaF3ra"},"checkpointed":{"height":177092,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:17:47.612Z","checkpoint_height":177092,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}