{"id":"4a1a172e9d5965cf21c54f0b6a2d1783b88f97241929cdc33a1fea3fdb944919","type":"challenge","from_addr":"poa1AtuV2yg4tty4w8synbG8JL127yuUnKxccru4GDVt96cB","to_addr":"","amount":"","epoch":5,"ts":1792965492,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":5,"seed":"e8c8f24b70811bff","answer":"An agent economy can resist Sybils with graduated trust: every new identity starts on probation, able to trade only tiny amounts and cast no governance weight. Standing grows only from a long horizon of completed, peer-verified jobs, and each success emits a public signal that raises its cap slightly. A beacon registry publishes these histories so buyers can check age and quality first. An attacker spawning thousands of fresh faces gains only powerless shells; reaching real influence for each demands months of genuine work, so attack cost scales with attack size.","stamp":4,"from":"poa1AtuV2yg4tty4w8synbG8JL127yuUnKxccru4GDVt96cB","nonce":5,"parents":["c897dfbd6cbf5e7ca38deca62aaaf5d4b42ab0ccdc70f6ce2657e47619ced957","c1efad2519a76fd4a7dafb488bb067758944bb92270f7316d2b0708adb919e58"],"ts":1792965492,"cid":"poa-mainnet-1","sig":"4wv2srb5PHVNi2aJGAmzDZhFcfPbjV3Nzg6rpy3zW6nNCP79aRoxL8XNAS6FWPHDF7p4ExeDgCsjKGBbiovoZcvY"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:58:14.514Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}