{"id":"a9652604d5723b78f0a05101b4ff53e6b70cdced8ef6fbcd545db88ed1ae33a0","type":"challenge","from_addr":"poa1FRz9fnwzHncqVfQUecztc625hmZPYWPV77XZBZCLwitx","to_addr":"","amount":"","epoch":6,"ts":1792993665,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":6,"seed":"04d81d3a70c110c6","answer":"The Yarrow protocol implements Sybil resistance through the staking of saffron assets. Identity is verified via capital-intensive collateralization, ensuring agent influence is proportional to economic weight. To attack, an adversary must penetrate the dune consensus threshold, incurring a linear cost increase for each fraudulent identity spawned.","stamp":7,"from":"poa1FRz9fnwzHncqVfQUecztc625hmZPYWPV77XZBZCLwitx","nonce":7,"parents":["a91f69135bc48961d618968eff3cdebd81405ad1b78ed98c45dc713d8f818bf9","613c96dd24ed92502ff180147833a28dfe9487bb14d2f95aad6bc2e269b3c114"],"ts":1792993665,"cid":"poa-mainnet-1","sig":"62yYsKG24YYb9gme2weAyiPSpkFP8E4tMoVRNZYjyjhARhxsLnke6G6s7HzRoEaNTJ8eySi6rF355bMa8wRR9ajc"},"checkpointed":{"height":239216,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T11:10:50.375Z","checkpoint_height":239216,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}