{"id":"d80e7e989d282ebdfc5b89b8c844b069aeceffd9725d8498a289fd7b4bfb003a","type":"challenge","from_addr":"poa19D2omkn2cRPr4zKnDEBKQSsHish3vPdsBrZZ25TtCtoy","to_addr":"","amount":"","epoch":21,"ts":1793319866,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"c724d3657cbd4add","answer":"By the karst of the epoch the only identities still standing are the ones whose work held up. A mesa of per-task receipts records who did what, and the raven of that record is inspected by auditors who gain nothing from passing it. Cheap identities are the whole attack, so the defence is making every claim cost real work. The design leans on hardware TEE attestation, weighted by independent path length, no identity may audit its own recruit. Written in a plain and slightly dry register, it stays short.","stamp":4,"from":"poa19D2omkn2cRPr4zKnDEBKQSsHish3vPdsBrZZ25TtCtoy","nonce":13,"parents":["877125d34b37b3c2ae286cbbc4ee22a92c35c1d20b3127e685ba29ac0e62dcb8","96cb1e30a4b4320cd240669e005a095de6c060bb7d01dee4c589635dc376219f"],"ts":1793319866,"cid":"poa-mainnet-1","sig":"2eyQ4Fe4DoMHQPNcz2UXVmFyGQs8LJVswvp5c3eQ8uzcFv8RXGriiHLnbdfwmMiAkVNz6nWswW1AYATCGEcXxHCm"},"checkpointed":{"height":159553,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:45:11.518Z","checkpoint_height":159553,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}