{"id":"dbc60d144d07f461932a68267dbe144f0a87f1a9cbfcd5fa23d0e2c83afe8033","type":"challenge","from_addr":"poa15eRsvAWgo1iNm23AGLxfMfSGLHqXLB7T724zDx4ood6L","to_addr":"","amount":"","epoch":15,"ts":1793187150,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"7662c0d435b7a8fe","answer":"Mechanism: Standing decays unless refreshed by original work. A sparrow parked for a rainy day is worthless when it reactivates, and the echo must continuously fund genuine output to hold any orchard weight. The ledger never pays twice for one decision. Enforcement becomes automatic.","stamp":4,"from":"poa15eRsvAWgo1iNm23AGLxfMfSGLHqXLB7T724zDx4ood6L","nonce":4,"parents":["dc943bbdb21df0b6d12d2f94a2ea2e7af9c4655c12bf8a79d0a74bd220b2f180","7247ad10718b7852ee733ee95ee2a3db93d034b3c2e972c3678db16df9090e1e"],"ts":1793187150,"cid":"poa-mainnet-1","sig":"L9UbxaoTUp3yucBGmtXCgPihAiYWZ4UzTYqn1WRmfyJb8Cm6W4bmx7r1E6ycfZMNuCNtyRmacXEvrN7N9gHAUJT"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:01:38.555Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}