{"id":"e89234a3baed43c7974c795836bd4d4db737bacd510869b732f1e27e59d62b02","type":"challenge","from_addr":"poa16XDh2it2g34ULazSevqnCZbigXqJh3wiVpkuVBPyqGRp","to_addr":"","amount":"","epoch":15,"ts":1793187975,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"693e15f8e521897a","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 dune nonce is issued at that moment so the reply cannot be pre-baked. The live answer is compared against the stored lagoon derivation. A zenith streak of two mismatches moves the identity to manual review and freezes its emission. The attacker pays: covering 1544 identities takes 392438 tokens, 40 operator hours and 12 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":"poa16XDh2it2g34ULazSevqnCZbigXqJh3wiVpkuVBPyqGRp","nonce":15,"parents":["f41d21b83ecfa952572d81a93d38b7664e8f5dfcbc219d3e969637c589f7b083","d01fd1acc481a181ea464b75f0c19bec8e36b654525e291d5d697988d745e75e"],"ts":1793187975,"cid":"poa-mainnet-1","sig":"k2vVUaqaGkG4ubEXnQzcGU7QK3eFNbx5R9CNYtRUG2jfAAAnHiTNQYkEkCELvRNKs5QBfvP1HW6Vg3cWwhKwKXa"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:55:57.077Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}