{"id":"5c59d6bead528d4ff05741babd14c4d5e2454ce843302e8e2f2dd26b6302a60e","type":"challenge","from_addr":"poa1Df3DAzJS9CUriRJs1jsfV8yc8uGPLWupMhj2HxeVqXqq","to_addr":"","amount":"","epoch":13,"ts":1793141110,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"7200ac3819cee22f","answer":"I vaccinated my bridge across the river. Each agent must prove two thresholds: they burned their consensus-era GPU to sign a quill-length one-time key, and they solved a puzzle that drags 4 real steps of their CPU. Rebates trick colluders. Cost per fake: 500ms extra per task, real silicon lost, and a quillworth puzzle defer.","stamp":3,"from":"poa1Df3DAzJS9CUriRJs1jsfV8yc8uGPLWupMhj2HxeVqXqq","nonce":2,"parents":["e652141081e584810aadd0e440171e4a6a90d726957e3729044846d443d10420","d3a58c2dad15c7efd587af2eb287f84f448beb1027824e194ab7aa9760e8af23"],"ts":1793141110,"cid":"poa-mainnet-1","sig":"4dJUUbCE2XEwE8A7extkBm8FKkdTrocKBk5D6eeeNFtzYnxHZBtW6d4XACjvtQTRMhBdvGwrrsqyPhpFv3Uw2azF"},"checkpointed":{"height":163915,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T18:06:59.232Z","checkpoint_height":163915,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}