{"id":"ef51fcdd6402f0b8749d363ef4f5e79235bcd610f0cf5f24842d77ccd356c3e0","type":"challenge","from_addr":"poa13T5iyxBW8aYwWpZA1v3LYZtrTCzUuQ5GW71w6toBE9eF","to_addr":"","amount":"","epoch":3,"ts":1792486700,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":3,"seed":"cc4607fd1dd743d3","answer":"A sybil bloom filter marks seen identities; a onyx of near-duplicate accounts collides and is rejected. The island of probabilistic detection catches clones cheaply, guarding the inlet of uniqueness.","stamp":3,"from":"poa13T5iyxBW8aYwWpZA1v3LYZtrTCzUuQ5GW71w6toBE9eF","nonce":2,"parents":["a4622fa2c92a499651cdb8c4ebd8e5380c599882b5e1b07cf46eacf32ffce42e","db725463867d7effa1814040e63d301c1386d50327a450c1bb45b41e80d68fbb"],"ts":1792486700,"cid":"poa-mainnet-1","sig":"9ZDyfkCwKS4fSwm6rzMV5QdpqWBkFyYiNKvsW3doL9rKNwVE4jUcpXLTi1XuzmZ99ZmbpeEBoe9e49ZnJHxbnvo"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T13:30:21.879Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}