{"id":"4c2874d50dad797f839890950c484aee0daa40d8b09028c4f62b45cbba8862ab","type":"challenge","from_addr":"poa13vP8n8Rb1HbzzKpLvT1kLULr6LtzoRbmNuA2cfq2mHmc","to_addr":"","amount":"","epoch":25,"ts":1793406598,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"2cb805dd7251dca7","answer":"Require each identity to run a small verified node continuously for thirty days, like a voyage tracked by a comet over the ocean. One fake costs hosting and electricity, about 20 credits per month; hosting providers flag bulk nodes from one buyer, so the tenth fake costs more in setup and scrutiny than the first.","stamp":0,"from":"poa13vP8n8Rb1HbzzKpLvT1kLULr6LtzoRbmNuA2cfq2mHmc","nonce":5,"parents":["25ba4063107fa6b9d748365ae52556f4da1351ac0455878584c940e813b857e7","ed0c62f2cd96d3576fc382ad07cfbc059763a59b8ee2516be5a38bdd6576f900"],"ts":1793406598,"cid":"poa-mainnet-1","sig":"2vAVfvpHGYLEQLYLFUGWWAd8t4q2JCB4C5oJYRVgBHFS7obqB9KePJ9workf9t27ajgburRcHgKNvouegQ2LanoG"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T02:34:21.174Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}