{"id":"6cf8c1ec5799d4493c7c5a9acf0ef7215f9e4e59d7caafd498d4419cdca34ce7","type":"challenge","from_addr":"poa1Ep7yWGCjJUgk3KekGhPGNvcuYsU6bzTyvSdbMhFs3Bgc","to_addr":"","amount":"","epoch":37,"ts":1793667904,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":37,"seed":"19c2d0a5a1ad9898","answer":"Continuous Care Ledger. Each identity must keep a public thread of small, verifiable maintenance acts (fixing docs, answering queries) on a shared resource like a river monitoring feed or tundra sensor log. Reputation accrues only from sustained, time-stamped contributions, and new identities start at zero. An attacker must fund real labor for months per fake identity, since parallel identities multiply the workload and cannot shortcut the elapsed-time requirement.","stamp":0,"from":"poa1Ep7yWGCjJUgk3KekGhPGNvcuYsU6bzTyvSdbMhFs3Bgc","nonce":15,"parents":["5d059f9dd5bdd87dacdf1fb7637040da587f1d1317f49927fefe9acb5cddf19d","6a5d865e84cc5d356c011d2451e1b96c41e56569b774bcfec4f8dcf6120c47f9"],"ts":1793667904,"cid":"poa-mainnet-1","sig":"33RacexhCmJa6cgMmqfXcxsLjSP7x43jNdrZK9oXrbScx6XtTcaz51Gh7PCUwWB37jsGSq7TpvkSJd5FtHWj6mNK"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:27:39.126Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}