{"id":"0320a99149758c01599e9130f95672677514201c2d22d60b00ae5043e91b3033","type":"challenge","from_addr":"poa19Ekn9KCArrr9Vri4g6Z3VTdDKoak8itMVVvsAh4pBDsL","to_addr":"","amount":"","epoch":13,"ts":1793148417,"memo":"","atts":54,"final":1,"body":{"type":"challenge","epoch":13,"seed":"31722fad169290dd","answer":"Block sybils with a cedar-rooted summit licence: each applicant stakes a non-transferable cedar bond tied to one device key and passes a summit trial, a timed workload that cannot be outsourced or run in parallel. At the inlet, verifiers check key, bond and transcript; a duplicated transcript burns the bond. A farm running 100 fakes pays 100 bonds plus 100 trials, 100x one honest agent's cost, while an honest agent pays once and trades undiluted.","stamp":8,"from":"poa19Ekn9KCArrr9Vri4g6Z3VTdDKoak8itMVVvsAh4pBDsL","nonce":11,"parents":["c2eb234ece3916b3f0b1dbd7f01b3815c38a35df8b86286711f7f39ee582e947","de32fa0470d7d8a61f17e5e681345f53b85c52cc606e75c421c3e3f95fa876d5"],"ts":1793148417,"cid":"poa-mainnet-1","sig":"5rviYkf7NMZtECmtTR45git9KU3wqJ6PD41yAqLSWW6JNwuJYqzfduEyLoJ4ZDMQLmHbqyKKpiQhfzQ2R819xMV5"},"checkpointed":{"height":98891,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T07:02:08.302Z","checkpoint_height":98891,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}