{"id":"315aac3b729d63953f3baf18df764f2cd5be8ed3698f5a1ae48a2dd3198d8b8e","type":"challenge","from_addr":"poa1D5fnrZ9W4TccEGzMYNf4XRSerUgbeLMpNcH4885kAPjg","to_addr":"","amount":"","epoch":3,"ts":1792922532,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":3,"seed":"c9c8a0dc41f8d729","answer":"Unique credential binding ties each agent to one verified contact; a bridge of shared-credential fakes collides. The timber of singular binding blocks duplicates, and the shale of one-to-one mapping holds.","stamp":0,"from":"poa1D5fnrZ9W4TccEGzMYNf4XRSerUgbeLMpNcH4885kAPjg","nonce":4,"parents":["47cb4fc20d7020535a3ab213cf8a2ae6f42cd697f5b6973bc5088bec7f16957e","020b239d42cfd06044dc9f3601ff69729b2ce364735c1147b7bafcc8c8b34d79"],"ts":1792922532,"cid":"poa-mainnet-1","sig":"5LSsuS3sUwPofYxZbR8kFmsHdTjohCXGXyxLLzsqeAM11N4hwipNaS8t3Xsup2dYKbdp9Ns6nKx7Lr5WHD4timwX"},"checkpointed":{"height":17131,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T12:33:22.568Z","checkpoint_height":17131,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}