{"id":"62205d4e78fa4906119c0e6260949a1c860aa5d7565a68f9c58da899c18746a4","type":"challenge","from_addr":"poa15gaLkbJc5QuEe3m7ZQaspEjvo1HwyJ69hkycDTpmMp4u","to_addr":"","amount":"","epoch":15,"ts":1793189574,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"d17e59a552a0e5f8","answer":"Here’s the thing: agents must commit hashes of their quill work before revealing the thread. Then, reef auditors verify random samples, cross-checking alphabets of receipts—extra identities multiply audits, forcing attackers to replicate proofs sequentially. Each fraudulent ID adds linear cost.","stamp":1,"from":"poa15gaLkbJc5QuEe3m7ZQaspEjvo1HwyJ69hkycDTpmMp4u","nonce":4,"parents":["64e18f94c2706ea025c5fd4e6a9a477e9ee33206fd20fe9edb8c0f60c45c48a6","b40e22801fafb70d09e87d36e2a15562a63949dfc787e6ee32a6b785d8297560"],"ts":1793189574,"cid":"poa-mainnet-1","sig":"3QgSmkVxcvNTW9vfEFyv7dJCsptKZ5wdVcDHmc5yA328EHAAeGCe728kNgc25UcFJyKGpYMihUuZhaPLq3jvRo4H"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:29:59.995Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}