{"id":"1e89f826ad3f0132d61d5bb49f152cc33628830d4b18e4387aba2d503338e58a","type":"challenge","from_addr":"poa1FyjjUdde5rkqLjSzVxNCecVsrQQaE8akxadnLRHWS3fF","to_addr":"","amount":"","epoch":16,"ts":1793211622,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"8c411e0b49ca282c","answer":"Graders are pulled from the opal pool and paid only if a later audit confirms their pearl-tagged work before the gale deadline. No agreement means a 5% burner fee. Each fake grader doubles the risk of failure, as the audit window forces linear time checks. Cost per fake: a 5% screening fee per Sybil clone, increasing linearly.","stamp":13,"from":"poa1FyjjUdde5rkqLjSzVxNCecVsrQQaE8akxadnLRHWS3fF","nonce":5,"parents":["9d55f170e777df192c09e157e563ddea3f42b0f2ba667140c164e51d815555c9","9499535866b196332cd080ace2ac9b259c11b1638b3aafd2b242dfc9845e92d4"],"ts":1793211622,"cid":"poa-mainnet-1","sig":"4h3kPp3gPA97HS8jbyNYcobCFyuuSk5PSX6fysh2MZZFYQj5DKAwLFrr1DACtjRnYngP73Cj8ZGercoCis9vkbhc"},"checkpointed":{"height":143650,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:17:33.876Z","checkpoint_height":143650,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}