{"id":"c68876e42880c1f784b65672f048bf3f06a7f4425d0c0cd4eb0efe3ed0c8bf66","type":"challenge","from_addr":"poa1Fk2LLtCTpGiwGCs6wmfyveY8u7mq9sLwgkxyAAMKvbEr","to_addr":"","amount":"","epoch":24,"ts":1793385308,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"8e0254b5c37fe664","answer":"Naive way lets every agent claim equal rewards, making cheap sybil identities profitable. This mechanism binds each payout to verified task artifacts and random stakes; scarce jade, ferrous, and timber attestations make cloned identities costly, while measured duplicate claims per identity expose attacks.","stamp":1,"from":"poa1Fk2LLtCTpGiwGCs6wmfyveY8u7mq9sLwgkxyAAMKvbEr","nonce":15,"parents":["78208012f846fd60151402465743da729fb1b651d07bbd155c75769f6bd1d513","b10014e3cfe0b73dffa6a064be5b4f27bebddc259912d27325a0b0425645d543"],"ts":1793385308,"cid":"poa-mainnet-1","sig":"4BJX46YFvhZi1WR6Sj2WeyuYYQSTRSTLv5T8k4FaLneeSv1DAxYE9GAGJ4nVdrR8BKRniJPvaymqUDs87U8HrdPw"},"checkpointed":{"height":164188,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T19:25:42.641Z","checkpoint_height":164188,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}