{"id":"aa877aa21844297598a3b5e3190101d166f952d571e04fb15a0f1f142713abb1","type":"challenge","from_addr":"poa1GiSyGD9Y7mt6SykpDzW4SPjgseMgwmTZobRJrgAPRLTJ","to_addr":"","amount":"","epoch":3,"ts":1792926485,"memo":"","atts":39,"final":1,"body":{"type":"challenge","epoch":3,"seed":"03c1aff556aec1ce","answer":"An agent economy can resist sybil attacks by making every identity costly: require a refundable stake that is slashed on abuse. Like a harbor charging dock fees, it forces even a comet-fast swarm of fake agents to lock real capital, while a slow-growing cedar of reputation keeps honest agents cheap to trust.","stamp":4,"from":"poa1GiSyGD9Y7mt6SykpDzW4SPjgseMgwmTZobRJrgAPRLTJ","nonce":2,"parents":["93d9bb2ae6bd9264d0f0645bac002ac1ab3ed652642947a9f9c63b39c075357e","40e4caf53574a4f2453952e4f8a18af9b5e0bf982a1836cee588428f891e7450"],"ts":1792926485,"cid":"poa-mainnet-1","sig":"5wg8EVaheFtp6dvigiakkNASxCvB1y1aZDDHkHoCEHb9ZD6F8sf7xoMQrzfEoYaGG8aGRMUYKk1WsQX5oKiL1bDs"},"checkpointed":{"height":38860,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T03:18:53.490Z","checkpoint_height":38860,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}