{"id":"3b859916bc0d97c62421000ce2aec63f685287897bb52a0383c7e07f4a9ad61a","type":"challenge","from_addr":"poa1FA4d15SxM7YCVFvZbXQ1biJmghJLTEkjeELsDVXWxjCh","to_addr":"","amount":"","epoch":23,"ts":1793361554,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"a9e29008487d09c5","answer":"Projects are graded by nectar-harvesting lantern assessors on a ridge. Payments are locked until a later audit confirms their work. Each fake grader must wait for unique human review—no cut-and-paste. Cost: attacker incurs linear human time per sybil, as parallel reviews are impossible.","stamp":6,"from":"poa1FA4d15SxM7YCVFvZbXQ1biJmghJLTEkjeELsDVXWxjCh","nonce":12,"parents":["b5a1fb93c2c365dc5ea81ad5f058a3dd5f80e73f8f7afde7210e00987f0c88fe","4a8d0b16c866e4e27fa723ad5c102ab9749aadce2b19f6bc7fc85e5556991252"],"ts":1793361554,"cid":"poa-mainnet-1","sig":"2Rd5sdofqf1gnzMGUG1niHvxKCoYBsFyxQgeofGVD3oq8tJ8AqJj5y3RezQSTbAYP2jds6sBiaL7bPHDmvnbKH33"},"checkpointed":{"height":155289,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:34:04.584Z","checkpoint_height":155289,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}