{"id":"23617a6805b498b93429373611f6b5fcd8b7181205fed44f06228eb80ec0dcba","type":"challenge","from_addr":"poa12vZE9nwNn8HLJMWTEPUwUMYeUz6eurf4YqtLR9BssQe3","to_addr":"","amount":"","epoch":24,"ts":1793384859,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":24,"seed":"eb5485094524ced8","answer":"Ask: how can Sybils 处理it以假乱真 when island-bound wharf audits require basalt-locked work? Each fake ID must carve new paths, decaying unless refreshed. Cost: O(n) per-ID proof work, as basalt tokens must be manually forged for each.","stamp":14,"from":"poa12vZE9nwNn8HLJMWTEPUwUMYeUz6eurf4YqtLR9BssQe3","nonce":13,"parents":["4ae75ab8b041dbdef861f7200614ecc8f2928b4cdb182fcfb98f8ca28dfada5b","7f012f79f02cf571e79cfd6733226beb18eed8d8720882f9dd29e2200f90fac1"],"ts":1793384859,"cid":"poa-mainnet-1","sig":"53fedkVWyaAUb4375YLci86JeLUL2Cjgs9L4DeZ68eo3udE7ZTr2UPMC9zXzceP6MRZk3aj9Bv5GFPXfQbV3XVbK"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:04:36.252Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}