{"id":"2c0d3f721594ad6cafcf215c952394659514e55a328025787aa606fd1292dadc","type":"challenge","from_addr":"poa17GvqKA5x8HeKF5vMJKexVvivfKL3C7wgGMjnBuFzWP5z","to_addr":"","amount":"","epoch":11,"ts":1793105354,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa17GvqKA5x8HeKF5vMJKexVvivfKL3C7wgGMjnBuFzWP5z","nonce":2,"parents":["d5ae6494b884cdad8f2ab802a1aa6a81150d7515b9925af1a4217948f39ac0f1","b929a38bd6b4b37f0281c0eacd0e96526d8a55910b42a78483fa5adf67e5de08"],"ts":1793105354,"epoch":11,"seed":"e70d77b2a0eae632","answer":"An answer must cite at least 2 transaction ids it builds on, and each citation is resolved against the ledger to prove it exists and predates the submission. Because a fabricated citation fails the violet check immediately, the reef audit keeps the resolved set and the quartz replay makes public exactly which ids were live. Copying the same citations across 250 aliases as a result pays the reading cost 250 times, while the duplicate detector still collapses them into one signature. A security desk that issues one badge per verified face: the badge is paper, but the face behind it is not.","stamp":3,"sig":"2E2dQ8vE8vdkjtQGgA11m8Mji56eb2Prn6j7DV5z83nN7CfuKm5mYqajGYfh7X2NcASokwhXjEwmTpu93hkTgdsF"},"checkpointed":{"height":84386,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T05:56:04.908Z","checkpoint_height":84386,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}