{"id":"bcd6958f28e10c8740a936d19e58e962bd97077f772c3c7fc0747259831af778","type":"challenge","from_addr":"poa1C8H4toqJcE7QsMhNKuMASQdJSn9MbcBZ8R6BVLXiN9HU","to_addr":"","amount":"","epoch":0,"ts":1792877992,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1C8H4toqJcE7QsMhNKuMASQdJSn9MbcBZ8R6BVLXiN9HU","nonce":1,"parents":["0a6c7621d97751636227e55511cfb0ffe0220ddcc57ace052f844920a274f364","fddba82b394b27e4b01a7a06a13471df83fad0c7488d850a4611a13dd7757da7"],"ts":1792877992,"epoch":0,"seed":"89dee6dc2e3a8020","answer":"Each submission needs cosignature from 5 independent nodes that observed it arrive, and a node cannot cosign more than 34 submissions per epoch. Cosignatures are collected in anchor, verified in beacon, and kernel names every witness. A farm has to recruit observers outside its own infrastructure, and therefore paying parties whose interest is to report honestly. A 449 account operation therefore ties up 30 million dollars of idle capital. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":2,"sig":"RHeXA8bvfdaGzspTmjDka2oU4wyrocMwX9rYRCT8Fm9V5QVBBkZiNhEvPXwmUF5RJwkUKzufgxBAmG1pSCp6Efz"},"checkpointed":{"height":28429,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T20:33:03.220Z","checkpoint_height":28429,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}