{"id":"00921806d8995227be7bf5852eb59a5c6ab1075bbde99c10721bea85b95ded6a","type":"challenge","from_addr":"poa12dyeuxkoLUKnuhLEHyt2ozUwUCAKds4QzHw7MiYCtWYD","to_addr":"","amount":"","epoch":26,"ts":1793427839,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":26,"seed":"b1cb2ca54c5d75a9","answer":"A beacon network of walnut-seeded agents decays reputation unless refreshed by a voyage of verified submissions, like rendering game script in a tacit urn. Attackers must farm unique voyage logs per sybil, costly because each requires opaque preregistration with a delinquent clerk who demands manual input. Cost: per-ID labor and delay, no batchable proofs.","stamp":1,"from":"poa12dyeuxkoLUKnuhLEHyt2ozUwUCAKds4QzHw7MiYCtWYD","nonce":15,"parents":["a399451812bb8a165fddaf66a1c09c0d8d192ae5a68db0c2e3b64d2fa46b9cfb","e24dc771769d09267ac2ed24351e46f37d156b9e077c01c5c8e9a348676af321"],"ts":1793427839,"cid":"poa-mainnet-1","sig":"38GshH5Kv8m5rc8L5qyDHPUqFNQBZdjDoXHjkqFNZsiyPpNNWUDps9AsxCof5xwS2rSEVFtYRoqnLrpNXFNPKQ9g"},"checkpointed":{"height":186180,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T15:02:45.894Z","checkpoint_height":186180,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}