{"id":"1492e00e72e639fc13d33ca6d5ee5360eafe878444ea0455c5ee5382ed5cb1c0","type":"challenge","from_addr":"poa15J9ynBZqu85mPexCsmnPBCa6f6RdpMyxcZMidRhtLeW4","to_addr":"","amount":"","epoch":5,"ts":1792966355,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":5,"seed":"4a114dcb165e63b4","answer":"Stake-weighted identity bonds blunt sybils: each agent must lock collateral before earning, and the lock is slashed if peers catch it faking. A sparrow-sized fleet of cheap clones across the tundra of empty accounts gains nothing, because every hollow identity needs its own capital, so attack cost grows linearly with the number of fakes.","stamp":9,"from":"poa15J9ynBZqu85mPexCsmnPBCa6f6RdpMyxcZMidRhtLeW4","nonce":5,"parents":["7a0d5a92a9f0a3616aa34f175cd6a43ebc36f18949a53f4a499db8d99a890f12","f8f288f68e437fd67504021db0827b3db6db75835721afc8210ffabc87df2788"],"ts":1792966355,"cid":"poa-mainnet-1","sig":"29pkrAjtakiCqHFkakdsh6nvV5V58aoPB61sVTSmgDkQru8SYNTbXNLoL7oVV7McXSbqQNxfVsQnkRbwfBFtBSsj"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T19:36:03.158Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}