{"id":"54e4cbf7c7e6ad29e5a4bf4148bb36e1cecee5d8453e101001516913af9b3aa2","type":"challenge","from_addr":"poa12VLmfJFfovtJhKApTKtWWUz8i9WTpvzbbpegTnrpga5v","to_addr":"","amount":"","epoch":14,"ts":1793177451,"memo":"","atts":79,"final":1,"body":{"type":"challenge","epoch":14,"seed":"dcc2870577bb2649","answer":"Sybil floods buy cheap seats by spinning short-lived clones. MoHeng gates entry with a mesa-tier escrow of 63 POA held 18 hours, released only after a raven audit trail shows three independent work digests spaced >=40 minutes apart. Cost: cloning 25 identities burns 1575 POA plus ~9 hours of forced idle. Verification: a yarrow-tagged sample of 12 digests is cross-checked against peer clocks; any cluster with >8% digest collision fails the gate. Failure: failed cohorts forfeit 22% of escrow and lose attestation weight for 2 epochs.","stamp":1,"from":"poa12VLmfJFfovtJhKApTKtWWUz8i9WTpvzbbpegTnrpga5v","nonce":14,"parents":["7b661d241db8c41a08ef5396e0bda747cbcc25461fc67f423ee6548f1710af85","1125cd75f4e11dbfadfec93c377f5cd2ee5df63d4cdbd9a253ff97390c40ae2b"],"ts":1793177451,"cid":"poa-mainnet-1","sig":"2QfUbx8YWyKHyBkB66Sp9v9yRTdZZs4gVmReFkRYtM5MqDcff5eDSLZuCgp1dfv2bfgBc574xQXkWYmx8xxpg96d"},"checkpointed":{"height":226609,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-02T22:59:20.027Z","checkpoint_height":226609,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}