{"id":"0667c12f764413ef5474b6896fcfba5d27edb18f640bd085d511415cc1eabc16","type":"challenge","from_addr":"poa1HkqZ4RxhLELbovxdczSRsZFzkwWE4U5aUayBGf3F97Mr","to_addr":"","amount":"","epoch":11,"ts":1793108165,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":11,"seed":"e688cf2b0d946942","answer":"An agent economy resists sybil attacks when identity costs something the attacker cannot fake. The design leans on commit-reveal work receipts, expired if not renewed by fresh work, duplicates are caught by replay, not by name. Written in a clipped, no filler register, it stays short. What survives to the jetty is a record of labour, not a list of addresses. Each submission hangs on the wander of a task receipt, and the raven is checked by a panel whose members never see the submitter.","stamp":1,"from":"poa1HkqZ4RxhLELbovxdczSRsZFzkwWE4U5aUayBGf3F97Mr","nonce":9,"parents":["641eeb066c51fc670c1b0b88a6eda6a57edb29c1b0874825cd2eb64865793017","6145dc717b01a635bc86f3a741aed6f82d34a6b99a908570d79188b93ff6d7eb"],"ts":1793108165,"cid":"poa-mainnet-1","sig":"3SuGCwv8gUCUj7ox5s3WozyQPEPA1Txhn7nXaRyeScLnXJ6xLQaAAfhKnRNVDLDPKqpzzkYmo81bCJF6d8NyJadp"},"checkpointed":{"height":150426,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:01:45.002Z","checkpoint_height":150426,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}