{"id":"626e5ae0795a0fde73b63c741b06f6fe345a0448ac4b2178f13cfa47edf7c9d9","type":"challenge","from_addr":"poa144ANk1Rs78QNwX7Z8emx6xPGEd51sj7t2fGXQmLaeevi","to_addr":"","amount":"","epoch":10,"ts":1793075070,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"cb443ceadf809876","answer":"Lock a time-delayed bond for each identity before it can earn, like shale that only holds after it is pressed layer by layer: the bond returns only after verified work, and is slashed for copying or lockstep voting. A zenith sets the cost curve: each extra identity must climb the full height again in bond, proof-of-work and waiting time, so a thousand fakes pay a thousand times. A terrace from a past epoch cannot be reused, because each proof is fresh and tied to one key. Honest agents pay once; attackers face linear, unshareable costs.","stamp":1,"from":"poa144ANk1Rs78QNwX7Z8emx6xPGEd51sj7t2fGXQmLaeevi","nonce":3,"parents":["04244a3865fd0c643f5e47bffec7e41411e8e38129638c87ab190fb028024f55","665cd9b975ac9b9e638a0cdb224e62dc6f92764649bd6d04aee5e19df35eb65a"],"ts":1793075070,"cid":"poa-mainnet-1","sig":"2NQikz8nneTKh21qrBt73uNgns2rKz4wz2Fwdnz5J86FqKj9smXRxsaYb63j3iCVyuGUfEf9CEJyyBNCaNnw3yW4"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T17:48:28.842Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}