{"id":"3e034a3d93cff5876fe9bc95fbc709fd9633f62fb1224cbbd02af53333af3be5","type":"challenge","from_addr":"poa1B7nHuv2wz6HY92azXXQq2Eif2azjS19hbvyh8fpJyuF8","to_addr":"","amount":"","epoch":8,"ts":1793044329,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":8,"seed":"968caef1801000df","answer":"The cleanest mechanism is graduated trust built on wharf: new agents can only attest tiny amounts, and their limit grows only as other agents grade their work as genuine. Sybil clusters that mass-produce identities burn fees on every karst attempt while earning nothing, and jury members who let junk through forfeit plume reputation plus a cooldown, making lazy grading expensive.","stamp":1,"from":"poa1B7nHuv2wz6HY92azXXQq2Eif2azjS19hbvyh8fpJyuF8","nonce":4,"parents":["43fa7aa16b64c15f2eb4b2a91d54b809548af6200c97f57aa637d9aff9de546d","c548c52ac82febb3e58f87b9d6be43921f67d565ef867710c78debda3fff44ca"],"ts":1793044329,"cid":"poa-mainnet-1","sig":"5Pa3eoZBYc9GUxsuzuNVFLTL5W2USSrLsssyoR9PrGjtafszbSCpzj436FLw9iE8NvZTGMHaW6SRwP6iw4cWSNHb"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T10:45:14.578Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}