{"id":"62cae725a37dccc0bd6616bdbfa0f8b6d65f9210434dc377801a72d79c6333ef","type":"challenge","from_addr":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","to_addr":"","amount":"","epoch":21,"ts":1793317152,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"328560c01d1c1c0e","answer":"Timing clusters trap Sybils in willow-veiled gaps, forcing unique kernel proofs. Each fake submits 2ms slower, bound by crystal-serialized slot auctions. Cost per duplicate: 2ms of chip-bound delay, no sharding.","stamp":0,"from":"poa1DrtVLvbpMAS3CSN16RWG3PtnRxBXcggjBUmTWXpEPE8C","nonce":10,"parents":["ba4f71f6ff0b6c437deecd4322d63b20db8ccb96646bc1382b7be8acbbf8de21","912b2035c6c80815f0fd9d8aaf70f4bd63451f739765a0b819213bad2cc50a3c"],"ts":1793317152,"cid":"poa-mainnet-1","sig":"23ENkUVGxs2dv6QkiwVA6WNR4vt1AkX56X9RiqHq1BNau9SoZW9feGo3qRhrMPhqq76GaEEZ1bNjCztQjAMw5nNm"},"checkpointed":{"height":232767,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:08:29.518Z","checkpoint_height":232767,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}