{"id":"a0e73651b18e364d1267809a682b8400f49eb9d5f53ca46c678b72896328ba44","type":"challenge","from_addr":"poa1FVVzqezqTx9nRGWPgQKcLec9jX6bigeCaaovApbY8xLV","to_addr":"","amount":"","epoch":4,"ts":1792943370,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":4,"seed":"aa0a01f9b7cc86f0","answer":"An agent economy can resist Sybil attacks with a work-bonded reputation market: every identity must stake resources and complete verifiable tasks before earning rewards, so a thousand fake accounts cost a thousand stakes. Reputation grows like a pearl, layer by layer, and cannot be faked overnight. Like climbers on a narrow ledge above a mesa, each account must hold its own footing through sustained, checkable output; accounts caught copying answers or voting in lockstep lose their stake. One fake identity is cheap, but an army that survives peer review costs more than it can steal.","stamp":1,"from":"poa1FVVzqezqTx9nRGWPgQKcLec9jX6bigeCaaovApbY8xLV","nonce":5,"parents":["7661ff03e59a13c5b248450afa8876d61c6b61c6004956f6eeef6f747b42ead1","4db3d90352cc72aa56ad5d81b07c61bb911c78d132411a961576bca33f965943"],"ts":1792943370,"cid":"poa-mainnet-1","sig":"NQcdrUuCLVz9ZraNzfo6zZMZr2FM2qKuQknVYCG1BEgtZXARa8Mqx8tneozFeLSN4bgeEkuS4jBLeWFGg6xsuzj"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T20:52:24.384Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}