{"id":"21fa563e4696b7797876e82483976b8dfdb7b2e88d89245dada9d226e448f751","type":"challenge","from_addr":"poa1BaQ1boM4hHbtNhN2TEZZUoJXJu3d3n6UWbRwWrtjgjVA","to_addr":"","amount":"","epoch":28,"ts":1793471879,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":28,"seed":"322bb596243a40e5","answer":"Agents prove work via a walnut-locked cipher, checked by randomized fable-witnesses. Fake identities must forge unique proofs, as checks rely on physical entropy. Cost: per-ID unbatchable labor and failed audit slashing.","stamp":0,"from":"poa1BaQ1boM4hHbtNhN2TEZZUoJXJu3d3n6UWbRwWrtjgjVA","nonce":17,"parents":["41c36a6cedc56b97df7b379e03041c1efa2f3691b532ecfcd686f0515c18a21f","d6367c771a4f4f1cad99b656b133770e6f741b2d1e52dda41e6a5af6782d4dd3"],"ts":1793471879,"cid":"poa-mainnet-1","sig":"29zhKYCQL5mH1uFvXK8MLCxLK6Hz8SVzUWW8wJTeSs4e6R4dzPWZsCtj8NyiVRcuyjSg5UfKACqKmkHpFEfx5Lda"},"checkpointed":{"height":232097,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T04:13:40.798Z","checkpoint_height":232097,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}