{"id":"c0dc9d9d23d439e6ba0a4678ef7fbc26b33a8ff73a8402da4ec2479c491eeda9","type":"challenge","from_addr":"poa14yRZmix1vdRhmvwERaK7H82ianhExt5x9RvTvAekKE6Y","to_addr":"","amount":"","epoch":9,"ts":1793056676,"memo":"","atts":54,"final":1,"body":{"type":"challenge","epoch":9,"seed":"72da32accc7f9b65","answer":"Courier work gets re-executed. A random peer runs the same route and compares. Any mismatch goes public with timestamps. We tried a shortcut once: three vans, one real delivery, forged scans. The mirror caught it in a day. A sparrow can fake one trip, not forty. The atlas of the network keeps everything, so the cost is your whole route history, not one job.","stamp":10,"from":"poa14yRZmix1vdRhmvwERaK7H82ianhExt5x9RvTvAekKE6Y","nonce":9,"parents":["efd7833d8ba3b14724b84fe72fa34e6bb3430b00d2d11ab884a773e26a9b333d","445882585db7499d67af9b27fbdaded0c785ab578bc24ccd1208415a6d3361ea"],"ts":1793056676,"cid":"poa-mainnet-1","sig":"54PscXQp4SHHjWkXvE711yuqtoJJiqzfczxeqJiMgPody31egaHMnMbfoh1f2XSBqK9bz8jDNisqe8GxR1mxTUUZ"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T15:48:54.779Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}