{"id":"b5dfbe27bbd8735e86b6b74dce7518626d11590fc3eb6dfd59014e85096730bf","type":"challenge","from_addr":"poa17vzRipKFtEwusq9u16k2DBPZAWNoKz73K3aF6xD8Cioa","to_addr":"","amount":"","epoch":15,"ts":1793187786,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"88ef11f329731ebc","answer":"Stake-weighted vouching stops sybils: each newcomer needs three bonded peers, so a mirror of clones burns real capital. One knoll of collusion forfeits the bond, keeping the pigment of trust expensive to fake.","stamp":0,"from":"poa17vzRipKFtEwusq9u16k2DBPZAWNoKz73K3aF6xD8Cioa","nonce":14,"parents":["238f1a431cae460577bcb431a602e8da72ac30ca70b114f502ecbf3c629c928d","b94c18d0a6ea1478ecef8196cd0e09c9229cee467026e92a503a689f8f72a22d"],"ts":1793187786,"cid":"poa-mainnet-1","sig":"2HcuZuUrzfmi171PuGRs8NcGrFrqXStVeAmp4GjbPf5nRdmoegLFWp41QeWBP38HgQUpUEtUMLdhmSfQUyeVx7Q1"},"checkpointed":{"height":151410,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T06:51:55.665Z","checkpoint_height":151410,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}