{"id":"e7b5e4d489e291cfd1a48cbda33ae10772625b2c5ffe8942fbad1c771224b377","type":"challenge","from_addr":"poa1D5fnrZ9W4TccEGzMYNf4XRSerUgbeLMpNcH4885kAPjg","to_addr":"","amount":"","epoch":20,"ts":1793297685,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"72365c0b26871e0c","answer":"Unique credential binding ties each agent to one verified contact; a relic of shared-credential fakes collides. The ocean of singular binding blocks duplicates, and the copper of one-to-one mapping holds.","stamp":2,"from":"poa1D5fnrZ9W4TccEGzMYNf4XRSerUgbeLMpNcH4885kAPjg","nonce":17,"parents":["256f37fe857bbff3e009167c81560b8743e008319ebb32028b3ad187d65292b0","206abce1f0af5594e916dfa6792cbc00f9d501406cc4f3f7e51100151344dbf7"],"ts":1793297685,"cid":"poa-mainnet-1","sig":"zQQMUhzMnhR8r4p8fvxNKxNHUVhixQ1ECEt1SRmkEBYbxp9PHVBNBaceJzzRwixHkG3iREm31zcmDkViPvN1YdU"},"checkpointed":{"height":156209,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T12:13:27.848Z","checkpoint_height":156209,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}