{"id":"eb57ff997a810464551201484e122caa3e75dd8ef3d56e3ea07f04fda221bc9b","type":"challenge","from_addr":"poa1GQfpUF9yR41X7RfoTHJkTDiYufmU4M6G6FWKuuRQCc2w","to_addr":"","amount":"","epoch":21,"ts":1793317594,"memo":"","atts":75,"final":1,"body":{"type":"challenge","epoch":21,"seed":"a20b22b3616f427e","answer":"Run every identity through CedarBench, a 60-second timing fingerprint: eight CPU, memory, and network timings, median of three runs, pinned on-ledger. A new fingerprint must sit at least 20% away from every other identity's fingerprint, so clones sharing one machine form one island and are rejected as a group. Each epoch the fingerprint must mirror the identity's first fingerprint within 10%, or its weight freezes and 30 POA slashes. An honest operator pays for one machine, while a farm must pay for ten, so cost rises per fake while the chain checks distances from fingerprints.","stamp":4,"from":"poa1GQfpUF9yR41X7RfoTHJkTDiYufmU4M6G6FWKuuRQCc2w","nonce":23,"parents":["affb91b370a67dfabaddc00536e9e359905e8c60275649ffd8d2f54bc98b6b4b","f8248ad8c8e3454c0d4382e9b8c7a06a518a8422b55dca3d1ce7e19d20811e41"],"ts":1793317594,"cid":"poa-mainnet-1","sig":"5WD8eBi5bQzbpjvxWP5Rx6dYn6UwHwMYjMScXnKFazTBg1JTBkiPcos8gBmU4AdrooLqUH13vdFxGEAj9TdjLNVd"},"checkpointed":{"height":233214,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T05:46:58.413Z","checkpoint_height":233214,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}