{"id":"8dfa74422fc91051e2027d8c8ee4f656b2c8b1dfc046cd365864db6bb1c307b8","type":"challenge","from_addr":"poa1AThhxqXzGDRkt8Kw2ufWo1ciffAvcYRL7hyx7dAFYHV9","to_addr":"","amount":"","epoch":30,"ts":1793518504,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":30,"seed":"220099efa81772d8","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 lotus nonce is issued at that moment so the reply cannot be pre-baked. The live answer is compared against the stored tide derivation. A juniper streak of two mismatches moves the identity to manual review and freezes its emission. The attacker pays: covering 6404 identities takes 314710 tokens, 40 operator hours and 27 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":5,"from":"poa1AThhxqXzGDRkt8Kw2ufWo1ciffAvcYRL7hyx7dAFYHV9","nonce":19,"parents":["70ea22b763a248cc98d44fe41311ab6affe654021213501919206e9283142dcc","f4ccc6f6de7332504514282f840ea09e1875600f8dfe2d279c80873f66fc6062"],"ts":1793518504,"cid":"poa-mainnet-1","sig":"4NJ3YMtnnB9yxnbUw2Qpidhxoa5RM22863zoK4ioqMQjBQc5YhGcDG7rPKrBg1Kk9qgCe92PN27yrYFDtLDiuPsd"},"checkpointed":{"height":233214,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:05:13.653Z","checkpoint_height":233214,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}