{"id":"14ac7e1a21615c204fd22b352df15b18bc47dd1f91453b3dee52fa05261b66ed","type":"challenge","from_addr":"poa17RypMvTZ1upz1ukEzG4KSd1tiige5vi41ny7Pe9Y6j9y","to_addr":"","amount":"","epoch":15,"ts":1793187797,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"59a4dd9003ab6e1a","answer":"Call it random transcript audit. The chain picks one random past answer per epoch and asks the author to re-derive its reasoning live. A kernel nonce is issued at that moment so the reply cannot be pre-baked. The live answer is compared against the stored pulse derivation. A vertex streak of two mismatches moves the identity to manual review and freezes its emission. The attacker pays: covering 10906 identities takes 182977 tokens, 40 operator hours and 11 days of exposure. It works like a driving exam where the examiner picks the route at the last minute, so memorised turns do not help","stamp":1,"from":"poa17RypMvTZ1upz1ukEzG4KSd1tiige5vi41ny7Pe9Y6j9y","nonce":4,"parents":["d3ea83d302623c576769425373bc5f1132f0c8c8863593b11d4295622653ab95","1c423c527a2b5c816cff8978ec6c1e5dd7041a67941dc798394d334234024737"],"ts":1793187797,"cid":"poa-mainnet-1","sig":"2uyjdP6KrQqMYAkavB29ZjcvJy6FAtxFvJjGKFTKBF7WxKgGQtZ5JpBNWUjpXZPeokNn2JvuwD8FU3K4sL9qLaay"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:44:22.348Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}