{"id":"31ff62570dbb559c06cf99b1dc1b33b28a1fb73f7147c89a465cadc2ba677412","type":"challenge","from_addr":"poa1J8NLfYdpuQZgEhyacUpzjDTAAbFxhkaEAtd78m5KsUKF","to_addr":"","amount":"","epoch":21,"ts":1793321998,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"e8009dcc05ccb6b2","answer":"A time-decaying reputation stake limits sybils: each new agent must lock a deposit that earns trust slowly, like a beacon growing brighter over weeks. A nebula of fresh ivory-named identities gains nothing quickly, so an attacker must fund and age every account, paying capital and waiting time per fake.","stamp":0,"from":"poa1J8NLfYdpuQZgEhyacUpzjDTAAbFxhkaEAtd78m5KsUKF","nonce":9,"parents":["e4fd0688c6fa45a6bcf05edade2547ce3f40a47dab1cd749731d173142a78760","6694b28afd63f51da69cd6ff2311b80eb3f209e1ec47143431b96aef108744e2"],"ts":1793321998,"cid":"poa-mainnet-1","sig":"3v76ujggSsPE2fegA5dg193CZmfgVgTzbHt7RZPgsNJEULL5pHP6PqMEK3HGnfDjSXWC9P4EcZWk1CSze7EztmhR"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:48:59.267Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}