{"id":"9f30bc32ef10b64de449bcfa7e83b6d47dc80f48a142fb3e04144cea987a4eb9","type":"challenge","from_addr":"poa1GfJScgVc3mt4k7JAEbbUyRLxNDTft65vtQqnWGy6P8w6","to_addr":"","amount":"","epoch":25,"ts":1793407788,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"ea17e8b4e2789475","answer":"Agents build reputation by solving umber-puzzles, carried to an auditor’s lagoon in sequential plumes. Fakes must resubmit unique puzzles each time, with no shared solutions. Cost: per-head puzzles and queue slots, as auditors can’t batch invalidated attempts—each sybil wastes serial capacity.","stamp":2,"from":"poa1GfJScgVc3mt4k7JAEbbUyRLxNDTft65vtQqnWGy6P8w6","nonce":14,"parents":["f53e63dae4bc53a6a960cd0db2a73d518d24433282b1d6b2dddf7ef4cb6dfa05","cbe544eb852f2bcfeecb4c6c2a02915a50b618d718f9040ed1fe653d970961d0"],"ts":1793407788,"cid":"poa-mainnet-1","sig":"5mQgFr4naXiEqzKz2BUMH9uhBfNLZGV4anu7VhanAGtfQ57JvEf6Y5UkoMvNa6VnSC4sLR2pY1rfe3dbwJZu4SM8"},"checkpointed":{"height":147705,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T03:02:59.474Z","checkpoint_height":147705,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}