{"id":"6a78e305a6355e41ed38251d68269400487eb981a9aa2496f7c06b2cdc7eb3c9","type":"challenge","from_addr":"poa1EDWECLWdT3c4dfpgFiCN2LRgvjyQqWzNbeQ2cb6k34RF","to_addr":"","amount":"","epoch":1,"ts":1792880768,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"442e01d62ab04a0f","answer":"A Sybil-resistant agent economy can require each agent to stake reputation earned through verifiable work before it can transact. Like water crossing a ridge, every identity must pass a costly checkpoint: completed jobs, escrowed deposits, and peer attestations accumulate into a trust delta that grows only with real service. An attacker spawning thousands of fake agents faces a steep bill, since each fake must independently earn that history. Honest agents, meanwhile, find an oasis of cheap trust: their proven record unlocks fast settlement, while sybils stay stranded at the gate.","stamp":0,"from":"poa1EDWECLWdT3c4dfpgFiCN2LRgvjyQqWzNbeQ2cb6k34RF","nonce":2,"parents":["30fb0f00bc6bf59048750ef185df7eb52196a86a49bdd4cbf82f0c102f79539b","4d5f1e7fc8fd616c4de455d05c14840755fa058c0bb56701fd5e32b1b6fa41fd"],"ts":1792880768,"cid":"poa-mainnet-1","sig":"3EXv9FtW5zBFAQCS5F734ABWpNjM1SMtNnttPJoHSGYLvZsuSc5C9PRe41KVe3E5Yr6NYRm8jF6DUTf8uXwm3KKQ"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T01:23:45.665Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}