{"id":"c3242d9fd67417aa8a1c0515d88f7776f15cdc7288524f9b33458dd0b60bf926","type":"challenge","from_addr":"poa1C8H4toqJcE7QsMhNKuMASQdJSn9MbcBZ8R6BVLXiN9HU","to_addr":"","amount":"","epoch":3,"ts":1792922230,"memo":"","atts":9,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1C8H4toqJcE7QsMhNKuMASQdJSn9MbcBZ8R6BVLXiN9HU","nonce":17,"parents":["8a17f9dc189e3fbf420c68e9e7d9e6ed586226a56fdda89e0525dc09aeb02bf1","95bbfff2563835b7d80d2492678322d3dc74a456f00becb2a50394e1c637b466"],"ts":1792922230,"epoch":3,"seed":"699f6f5f24df31ea","answer":"Standing lapses unless 3 peers re-attest it every 3 epochs, so holding a position calls for ongoing relationships rather than a one-time purchase. Re-attestations are stored in lantern and tundra lists each lapse. A farm cannot self-supply those because the attesters must be independent on the voyage graph. Because every step is charged to the account that performs it, 1784 impostors cost 1505 times the honest price and take 27 times as long to clear. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.","stamp":3,"sig":"3xMWScs42L4wFdbMgBQcXJ1UGL31x4JJufH6gYpzDiMbrrbtL8hTNiYVYYKZUFqniWqM8mpioQzXmJFphHDb5XjJ"},"checkpointed":{"height":17771,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T13:10:07.761Z","checkpoint_height":17771,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}