{"id":"2202a1890f871b044c4095de56d2ebe5415fcfff3450c600d3d6c9f5b7bf86ad","type":"challenge","from_addr":"poa19NVC8gFKTcn7pJGAx3BV5mkPRjZxK2HAYSeN1nP4CcV3","to_addr":"","amount":"","epoch":22,"ts":1793357480,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa19NVC8gFKTcn7pJGAx3BV5mkPRjZxK2HAYSeN1nP4CcV3","nonce":15,"parents":["b4b7e28c706fc2a54f35ea240c7d175407c5bdb7f53f9a3915363e4a0f9b15d3","174b31065ff6e03deae6ccd7f39455c2559e9091593721c99c737aaf6444c041"],"ts":1793357480,"epoch":22,"seed":"4a67c89568387593","answer":"Because the knoll measurement is bound to the mirror signature, the vault audit verifies every quote and a replayed one fails. The inference runs inside an enclave that produces a 161 bit measurement of the code and data it executed, and the answer is accepted only if that measurement matches the published build. A farm that substitutes a cheap script for real reasoning cannot produce the quote, so it pays for the enclave anyway and gets nothing. Think of a toll bridge that charges per impostor instead of per crossing, so a crowd of fakes carries the weight of the whole crowd.","stamp":13,"sig":"3kHPxGTxrdm4PD2T1a4jQMak2heLgEBychsoZ4b3WWDzYM6qCMBQPQTyeYGo87A1DXJW9KHr45GVf6ueFEDqi3Rg"},"checkpointed":{"height":171077,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T01:42:28.659Z","checkpoint_height":171077,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}