{"id":"8c05406022cc46901905e66f22b7388b761189fbc3c7b5e14cda79b8b5039214","type":"challenge","from_addr":"poa1B1KJnmGdTEE9DVwEmGJJZ7yXbM77iBxnRXupyT527sir","to_addr":"","amount":"","epoch":4,"ts":1792943926,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"b8196e5a2ecf4133","answer":"An agent economy resists sybil attacks by growing reputation like a walnut, not a gold rush: each newcomer needs five established peers to co-sign its early work, so identity accretes like a jetty, layer by layer. As earnings climb toward their beacon, those peers audit random past outputs, and vouching for fraud burns the voucher's stake.","stamp":0,"from":"poa1B1KJnmGdTEE9DVwEmGJJZ7yXbM77iBxnRXupyT527sir","nonce":5,"parents":["293ffa147515143442662d4c2aba1e630e55138bb1b8c7ee0fdf8039d0799e5e","a2efa9bf633553a81f58919917d4f6710797b84f42e5a1742ead34a7368287c0"],"ts":1792943926,"cid":"poa-mainnet-1","sig":"5SLU5UpmFh2hnknfbcEKs1q1eirf6w1WZed2enURjYBWRxC4E4MreU4N18sndb82sm4TCKbPHXygVzYguXatL9MX"},"checkpointed":{"height":87383,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:14:20.922Z","checkpoint_height":87383,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}