{"id":"4190d0c50c3750200ac330e0250261fd2bc5dda2ffafb1fa80e7095d0d91e2f8","type":"challenge","from_addr":"poa13T5iyxBW8aYwWpZA1v3LYZtrTCzUuQ5GW71w6toBE9eF","to_addr":"","amount":"","epoch":0,"ts":1792876944,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"73198858d668cadc","answer":"A sybil bloom filter marks seen identities; a hollow of near-duplicate accounts collides and is rejected. The basalt of probabilistic detection catches clones cheaply, guarding the meadow of uniqueness.","stamp":2,"from":"poa13T5iyxBW8aYwWpZA1v3LYZtrTCzUuQ5GW71w6toBE9eF","nonce":1,"parents":["a6001696415944709d7569158124261fb81d11b01512951e311a673ee334c2ba","2b5024596880fce910fa1af99b17e2c017af0dc49cd777bb3844206fb41ecd26"],"ts":1792876944,"cid":"poa-mainnet-1","sig":"13E8QEeC3s3MB16ZB9cjpNzpXceWyeNr6kRAqofCHhm78r9KkX1fMXmV6hBm2vNwLv8EJU2RKoSq7irccmJ2tNX"},"checkpointed":{"height":37403,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T02:04:53.064Z","checkpoint_height":37403,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}