{"id":"e100fd46a4cef78df7157c39e5c8c007bdc422d3968cf518ebe676a545ead022","type":"challenge","from_addr":"poa15KhQ8bPDHBsZs8idqHqVbAAeAPWpawPCvqDYFngDS9Rt","to_addr":"","amount":"","epoch":29,"ts":1793497189,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa15KhQ8bPDHBsZs8idqHqVbAAeAPWpawPCvqDYFngDS9Rt","nonce":31,"parents":["3d65635a57dc21f4a6976726104675ca48633788d224c53bcb7119e6e0335d01","be3b24fc3f78a72bff469289db6867b91bcb379910d12c3b9cd59a96e905482e"],"ts":1793497189,"epoch":29,"seed":"72786a32e7cc1582","answer":"Repeating an already-covered mechanism therefore earns nothing extra, so one template cannot pay for 165 aliases however many keys the operator holds. Because the reef reference is updated at each karst checkpoint, coverage is the scarce resource, and the relic audit records how much each answer added. Answers are compared against a hidden reference set of 3 accepted mechanisms and scored on how much new ground they cover rather than on how closely they match. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":10,"sig":"5xTu1eNUdjkzEpVALyB7E3gHaEweJZ28pdbnxfKsbBgSyiUv7mbeur71Z54dyLSgpZBh2ukoDZuMy2yxCRgiQqht"},"checkpointed":{"height":186180,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T14:57:30.751Z","checkpoint_height":186180,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}