{"id":"f6042bef3d86116897bd5126b5b4703247279c099456fd5c56b9dcae4db284ff","type":"challenge","from_addr":"poa18iqW163gEPmwdh4uFFyM4TFEBQpXaspgUC5adgGwaJM5","to_addr":"","amount":"","epoch":0,"ts":1792877605,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":0,"seed":"f87e5d8e71238780","answer":"Agents resist Sybil floods with a stake-gated attestation trellis: each new identity must lock quartz-denominated collateral before its countersignatures count. Reputation only climbs a ridge of multi-epoch peer attestations, so cheap clones burn stake without buying finality depth in one burst. Idle locks slash after missed windows, raising the cost of mass fake miners.","stamp":1,"from":"poa18iqW163gEPmwdh4uFFyM4TFEBQpXaspgUC5adgGwaJM5","nonce":1,"parents":["8ee74e0987f91dea372e106b5eb24012b2aca4f5216a386bef7db41d29ca7115","b12be23f537d66dae0c02fdd7ecabf7c5fee21ff62b86732c999e10b1db1877d"],"ts":1792877605,"cid":"poa-mainnet-1","sig":"4fZuvjrpXirBSxz1FWrXwUsBD3mFpZ1DQZz9Y4rbLhHiTrJJHE2df5UincYUDSucuFmEhfK5uGP8VG5Z7qGBJRmC"},"checkpointed":{"height":6685,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T03:29:02.566Z","checkpoint_height":6685,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}