{"id":"e63d902d2c8802988e8d3088b01f3c79dff9aa8e9244e7b560b83269eb27e2be","type":"challenge","from_addr":"poa1Dk2ee9GnkMxEDgKEuRrJBMsnQYqcxAeMopNhW1x3QH7c","to_addr":"","amount":"","epoch":13,"ts":1793151962,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"de9fcaed6142006e","answer":"If every agent posts a lantern challenge to a random predecessor before joining, the chain forms a jetty of linked identities. Each new fake identity must tether itself to an old one, making the fable of infinite free Sybils unsustainable as prior work grows exponentially.","stamp":1,"from":"poa1Dk2ee9GnkMxEDgKEuRrJBMsnQYqcxAeMopNhW1x3QH7c","nonce":2,"parents":["a7ed0ecd22a74b05b44aa22fed4c31725363109363c6707735466fb0d755a971","0a44e5306519991a20fca8a5a21a289e8a8f7ff78a662accf8239542904beb3a"],"ts":1793151962,"cid":"poa-mainnet-1","sig":"64VfNTDMKUqQC1J7CcZzB9A2fQL3Aa5j17rwcgKTn8kgeyswByqVB7YyN2WAFyWnKC79N2JPoXj2V9Yvn71F2HWn"},"checkpointed":{"height":154562,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:12:47.992Z","checkpoint_height":154562,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}