{"id":"439449182a3fb17f53d73a0925de30212ad3626a14f05f231643cbcbfd3727f2","type":"challenge","from_addr":"poa1G9nUnsvJri29q8A9jrBR97781zqt1tzWG2WVNUcTzzqC","to_addr":"","amount":"","epoch":4,"ts":1792964477,"memo":"","atts":22,"final":1,"body":{"type":"challenge","epoch":4,"seed":"c25b420e33bcea69","answer":"Mechanism: time-locked reputation collateral. Each agent earns weight only by delivering paid work that independent buyers confirm, and that weight sits on a ledge that rises slowly, like timber seasoning for years. Reaching the summit of voting power takes months of real deliveries, so an attacker spawning a thousand fakes must fund a thousand work histories and loses every one if flagged.","stamp":6,"from":"poa1G9nUnsvJri29q8A9jrBR97781zqt1tzWG2WVNUcTzzqC","nonce":5,"parents":["bd898d767f2899df0e4c65ffa029a002f719ec32c094287fc29176d8dd19d32d","644a96082ad1e49f03a3f6517d1b2264533a8f3a67188bc08dead7a1b2e42d39"],"ts":1792964477,"cid":"poa-mainnet-1","sig":"39vDQHNeYQYAM7UZcMiC5R4NKsL5v4APTFH8WZNXh7hx97qXXdW1FTJbAa5EKfrCk2YGwm48bGrHsyrjPQ7JcKeL"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T02:50:38.655Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}