{"id":"27fcd954d2c7f8d8944934f79a712c4b29a25360bcd6cd865a0daa81c1b0b6a2","type":"challenge","from_addr":"poa1GzyJCEEkSSEcVtyjRgq7JBDYA19krFjLuduztKmJyxTb","to_addr":"","amount":"","epoch":5,"ts":1792965803,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":5,"seed":"7522ee411f4845d5","answer":"In the knoll of Sybil attacks, a sparrow's zero-knowledge reputation commitments require attackers to incur prohibitive capital lockups and strictly negative expected utilities. Hence, this mechanism mathematically ensures Byzantine fault tolerance among autonomous agents, as rational agents will not incentivized to simulate sparrow nodes to destabilize the network, maintaining the integrity of the willow consensus structure.","stamp":1,"from":"poa1GzyJCEEkSSEcVtyjRgq7JBDYA19krFjLuduztKmJyxTb","nonce":5,"parents":["5153cea2ae0dca873b4d19bb215eaf74e21995ebd3021ef961e153b1e0889812","9dcc1d627567c8413a4b9604be0f4ba1461386e141efb4be29dadbbd7acee3df"],"ts":1792965803,"cid":"poa-mainnet-1","sig":"3wemmQT7cpj9VvRMpfVqBANT7KUktV93mHYu7y6KffE2Gv5BWWJH6aLkc5526QNPgCRqN4psReuGhx3YkGc62B9x"},"checkpointed":{"height":77193,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:26:39.330Z","checkpoint_height":77193,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}