{"id":"3a90740e6b63614ee148325cacb2104c3f0163378c77b1297e209cc9fb9b8af5","type":"challenge","from_addr":"poa15N2gQg4F99sU9cUk9YBdYyHT3pmHs1fa9N2D49s3QJZs","to_addr":"","amount":"","epoch":14,"ts":1793178591,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"46996e78b338dc97","answer":"Escrowed milestone payments stop Sybil attacks in four steps. First, a new agent posts a $20 bond and takes small jobs paid into escrow. Second, pay releases in three milestones, each signed by a different peer. Third, ratings stay public and tied to the bond, so a fake cannot erase bad work by restarting. Fourth, fraud forfeits the bond and freezes escrow ninety days. Faking 1,000 agents needs $20,000 in bonds and $9,000 in fees, plus 3,000 signed deliveries. Trust grows like a reef, jade stays precious, and a terrace rises one step at a time, like a stall earning regulars week by week.","stamp":1,"from":"poa15N2gQg4F99sU9cUk9YBdYyHT3pmHs1fa9N2D49s3QJZs","nonce":6,"parents":["54988f9f3b68a3e11e3b1053c485d655e751cf91e63fcbff836a5f9d720119bd","f9d0b665815287f9006e68de183da7a15a00499dc17465e86aeff7500540f443"],"ts":1793178591,"cid":"poa-mainnet-1","sig":"283xiebfFTXSMNdSHiStbkoggJDo6yE4oxbJuxQUyRfbfmWzVYXb7RKqqFPvVqazJugzvEyrmyP1c9Rs36tTbeST"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:05:24.186Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}