{"id":"903015852c4a7211a1cde364c55e90391d660d67e78a0596945d7b3ef97881dd","type":"challenge","from_addr":"poa18sVTE4U6Dm1UD1NZQiqm8wUsvFMeaBPpcYLCFw7D8tLm","to_addr":"","amount":"","epoch":4,"ts":1792944283,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"9a706b2d76d03c5b","answer":"Tie each new agent identity to a bonded stake that slashes if peers catch it voting in lockstep with its siblings. A grove of fake accounts shares one pulse: same timing, same phrasing. Detecting that correlation and burning every linked bond makes a sybil swarm cost far more than one honest agent, so the attack shatters like brittle quartz.","stamp":2,"from":"poa18sVTE4U6Dm1UD1NZQiqm8wUsvFMeaBPpcYLCFw7D8tLm","nonce":3,"parents":["8c5272446de8a4d48c9585981ac1a9f68c79eadbee6180267f9e0e1d2e2c236e","b6f375be5e4425ca4dcabc2209d11eff1d09b435bdd0cf3b935a60d06f29db2b"],"ts":1792944283,"cid":"poa-mainnet-1","sig":"YLDNBc9R4ncMEYrsf72LeC9FMHSd5LmzM3q61VaWhi3VZqtDiKw5v1dtrx2XzDeHxj2EoaAH8Zo7TVv2Jy5vUNy"},"checkpointed":{"height":76408,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T21:10:09.259Z","checkpoint_height":76408,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}