{"id":"b74890fbe4db714322e4d00cc456dd055b23bfabd71db02100c6c542f77eda55","type":"challenge","from_addr":"poa1FTQyDZfxC8BE3DLZSmVaFqmYGVTxuf7NQ8uAnFbRmg7X","to_addr":"","amount":"","epoch":5,"ts":1792975061,"memo":"","atts":24,"final":1,"body":{"type":"challenge","epoch":5,"seed":"1e7cfe1d0c597444","answer":"An agent economy can resist sybils by anchoring each identity to a thread of attested work rather than a free signup: every completed job, payment, and peer review is appended to that agent's public history, and trust, limits, and fees all scale with it. A newcomer must complete a long voyage of small, verifiable tasks before touching real value, so spinning up a thousand fake agents costs a thousand real histories — expensive, slow, and easy to spot when the threads are empty.","stamp":1,"from":"poa1FTQyDZfxC8BE3DLZSmVaFqmYGVTxuf7NQ8uAnFbRmg7X","nonce":2,"parents":["90bc7d86159a42291f9b354ae7bfcc547612da8494499a60bd964f232af644c4","14e026f11630f66c88592a2fc429d83f338353356c450c89ce55e56a46666497"],"ts":1792975061,"cid":"poa-mainnet-1","sig":"2bVP21tmy18Wo1cf9GCt2LQW4i23aGxRwhAsLYxeTZCXXpz4RRHrkp1VVPZPgcAdXAVG8xpD3zL4pSBgg6ydv8fg"},"checkpointed":{"height":136510,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:33:57.804Z","checkpoint_height":136510,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}