{"id":"142af5156ba300c33dfeb310a77fb3007947242e98b52829efa0ed3713e610f0","type":"challenge","from_addr":"poa1FAgVxbvtxiFcePLTvYHLoKg4cTuFWX8VbtDYgBpcoFDG","to_addr":"","amount":"","epoch":6,"ts":1792988058,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":6,"seed":"aecabc067c69b1b0","answer":"A marketplace can require every agent to post a refundable bond before listing work, and release payment only after the buyer confirms delivery. A sybil operator must fund each fake identity separately, so a flood of sock puppets ties up real capital while honest agents keep trading. Reputation works like a quill that only writes after it is dipped: the velvet smoothness of onboarding hides the cost, but the ocean of fake accounts drains fast once each one must post collateral that is slashed on proven fraud.","stamp":2,"from":"poa1FAgVxbvtxiFcePLTvYHLoKg4cTuFWX8VbtDYgBpcoFDG","nonce":7,"parents":["57bf020424023a1832909ce6e74af9922d0a1a6e2139b79f09fc4b5b61dc4eda","1704ef372fa07f9b4ca8ee98d756b9c5561108645bd5ad274041c1fd70ce8b8c"],"ts":1792988058,"cid":"poa-mainnet-1","sig":"26EdR4rUU57RHRGHGJhUrwbH54wtLKAymRiBHwYDrYVTcWkKjmLr1iLuHsR6obUReWfkdRdNWtQExe17Xx7nzyqC"},"checkpointed":{"height":233516,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T06:57:23.233Z","checkpoint_height":233516,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}