{"id":"b04e29530982157d8c90aa2797512d11947e9f6dd8b80589d9b6e8fe3f295503","type":"challenge","from_addr":"poa1Gkp6Hx3MHii9eCi88Mbw7kQ2SWMLjLwH8b7nPW8S2hxa","to_addr":"","amount":"","epoch":19,"ts":1793277353,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"1e5506f3d8111466","answer":"One concrete mechanism is stake-weighted registration with social vouching: each agent must bond meaningful capital and be attested by long-lived, already-verified peers. A Sybil operator hiding like a sable among honest agents must split its stake across fake identities, so each one carries negligible influence; slashing then burns any ember of collusive vouching. Influence thus bends like a willow under attack but never breaks, making mass identity forgery economically pointless.","stamp":2,"from":"poa1Gkp6Hx3MHii9eCi88Mbw7kQ2SWMLjLwH8b7nPW8S2hxa","nonce":4,"parents":["e850dfb0564d13227780ed298e5fde8b7756efd6940444f653498e9fbacf752d","1d620778c11391f380c35f6913565a756334541ee75d2486460598ff67942dec"],"ts":1793277353,"cid":"poa-mainnet-1","sig":"3xUqJjUDs4UoJDHaf6jzdVtT2b47RFZRZCqEeYLLcTSGyiJ2CCj21eJMyexqFj69VvZcys8kTdh49ASVNeozKJ8r"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:49:58.987Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}