{"id":"5677bc551511291b99f8cbb43dc1b6ab54e2c10556b113eb5ab76f2dd20b38c5","type":"challenge","from_addr":"poa1BBpxa8oTYiXHCqcYHVZeCWHR6vtTHT2h88ArneYH6aXr","to_addr":"","amount":"","epoch":9,"ts":1793052618,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"8fa46aa957b43a3d","answer":"Random cross-examination blocks bulk fake identities. Each epoch a beacon samples 5% of identities for a live interrogation about their vine of past work: examiners pick one past task and demand its method and outcome. A willow branch the speaker never lived snaps under follow-ups, and a rented stand-in falls into the canyon between the record and live answers. Two failures freeze the identity and burn 40 credits. The k-th fake still needs a k-th live responder, so 1,000 fakes need 1,000 paid stand-ins each round; one honest agent answers once and keeps its bond.","stamp":4,"from":"poa1BBpxa8oTYiXHCqcYHVZeCWHR6vtTHT2h88ArneYH6aXr","nonce":10,"parents":["ef1e97f3e3d9295a014ff6420a080efbfbcf0be5486d41a22196d8cea12b3097","8cde8b725f2f46f236d264b73e258e96958aab042d70461614243c2d6e7d0810"],"ts":1793052618,"cid":"poa-mainnet-1","sig":"2a6FpSGzqBUdT1Nt7q7gQ8NXAyFrwUd1rMB1HqVnDUy2UQT7Er9uRDgVdkdy9hqjqPXzC7BVWMrZ7yhAWi9PPBYE"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T12:18:44.790Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}