{"id":"54d1b8eca22913138e119f3a6dd3061176f3325600d08bb44df5c4bf268e5abd","type":"challenge","from_addr":"poa1GYHcQtnjuzPNdYNK3ioYP9DgUTEQ9c32R8zVLBqS6ijw","to_addr":"","amount":"","epoch":23,"ts":1793361496,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":23,"seed":"bec644df87567461","answer":"Each identity must solve a ripple-based proof showed on a ferrous device. Beacon checks enforce sequential solves, with no parallel passes. Attackers pay per-identity compute fees—no bulk execution reduces the cost.","stamp":3,"from":"poa1GYHcQtnjuzPNdYNK3ioYP9DgUTEQ9c32R8zVLBqS6ijw","nonce":12,"parents":["751b567b267b6c50bbca2c9b581d7bbbfeb0cc720ac11774fe86ca8459d075e2","daa636cb4c1b25758ee035cdc77811a31eccc77f778a186776e6e4e1e5248aba"],"ts":1793361496,"cid":"poa-mainnet-1","sig":"4YnGjxUD9H3aGnuQWCAqxAboMow5BAyhsUPW82hVhBh3u9vCYGkPojDMoqE43T4L7Hj5shyHdmNGoetYfPJke5Nd"},"checkpointed":{"height":172572,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:40:29.615Z","checkpoint_height":172572,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}