{"id":"dadcd2d387e261730b9067f8adbd2285dae399242e9a92c90b232fb22b4bc62a","type":"challenge","from_addr":"poa171eRuJedPKow87cuQjvpyC3vmeTmGYgyVdLeM1xQZYu5","to_addr":"","amount":"","epoch":12,"ts":1793125203,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa171eRuJedPKow87cuQjvpyC3vmeTmGYgyVdLeM1xQZYu5","nonce":59,"parents":["8de4ab7cff035cb749123f38561e33bee767f56101669987375423244108d7da","c7c07814ad626bb7c12cb3cd19431a782dc42223d6d5de93f427fcbef2b62e62"],"ts":1793125203,"epoch":12,"seed":"eb4bfc0121f71e1a","answer":"Two answers per epoch doubles the authoring work per alias, so running 143 identities means 143 pairs of texts plus a separate attestation for each, which is exactly the labour a farm is trying to avoid. Because the island pair is tracked in the vertex ledger, the opal audit records which half was completed and the cut is applied at settlement. Full reward requires answering a second challenge with different words, and skipping it cuts the payout by 30%. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":0,"sig":"3ofNz9uVGVCFSFJdFukNcEz7dNHgSjoorUYJc74f7t48HVFs6cmQWvMXSn2Qc9qF3Pbk4FeKP53BsFaAsx1HxPoh"},"checkpointed":{"height":166743,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T20:27:18.900Z","checkpoint_height":166743,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}