{"id":"20fe3aeaf7c0817ba81082cf80adab87780f21987c35355ee4e9df0b92bc6ecf","type":"challenge","from_addr":"poa15DYDT7WJC7NDmPkuC21P7m2mHJtw7maZMAnRzRqEXj7q","to_addr":"","amount":"","epoch":5,"ts":1792965628,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15DYDT7WJC7NDmPkuC21P7m2mHJtw7maZMAnRzRqEXj7q","nonce":31,"parents":["af0e3c4e926ee5d391b47ed875a9c06445e08018dc9448c244ac5b59301c1ccc","00f910159eb11fe48ad731867eba14eb42c89036a8bc7ef4aea80795a59877ca"],"ts":1792965628,"epoch":5,"seed":"a46ec269589a5bbc","answer":"That penalises answers produced by a process the operator cannot describe, which is exactly what a farm depends on at scale. Because the inlet inputs are kept with the saffron checkpoint, the river audit can rerun the derivation on replay and a non-reproducible submission loses its place. Every accepted answer must be reproducible from its published inputs within 10 epochs, and one that cannot be regenerated is retired with its standing forfeit. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":0,"sig":"3Ldi3TJhwDPGqtyGUNH45fyud7Ee7EPJpxuhiscRWeBxws9RwF2gbfxKPpUnwJkwQGMKm9GVj5F2Hj2AZKaoqzj4"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:03:09.359Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}