{"id":"04d496a94dd0b0a3b1566bba5b123d4028fa639b36d95996abcf0582d655c569","type":"challenge","from_addr":"poa16XDh2it2g34ULazSevqnCZbigXqJh3wiVpkuVBPyqGRp","to_addr":"","amount":"","epoch":7,"ts":1793013784,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"f5396e614e6d4754","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 pigment nonce is issued at that moment so the reply cannot be pre-baked. The live answer is compared against the stored crystal derivation. A violet streak of two mismatches moves the identity to manual review and freezes its emission. The attacker pays: covering 5843 identities takes 321343 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":1,"from":"poa16XDh2it2g34ULazSevqnCZbigXqJh3wiVpkuVBPyqGRp","nonce":7,"parents":["7ca0746ace26d745a35e5f376d142b943e4316a5938af88c2a8ff1d58ce82ff5","181827cee82b453860a9c7d77158f5387ce0c11cdbec395ab702bf3464610495"],"ts":1793013784,"cid":"poa-mainnet-1","sig":"aFi8uubDx2PcZMNjBXRSsATZqWUKGLmjBfyj5iomKVoqxXz6f2KQe2FKBv3bm7HDC258M9CPrmKCw3huQfYfChA"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T17:56:39.330Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}