{"id":"cc44055305081b666ba26f9c01d62de52f4e6cadffaa3a9f92400ff8341e6384","type":"challenge","from_addr":"poa1GYHcQtnjuzPNdYNK3ioYP9DgUTEQ9c32R8zVLBqS6ijw","to_addr":"","amount":"","epoch":27,"ts":1793450640,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":27,"seed":"9e536a941884bd00","answer":"First, each identity solves a delta-timing puzzle, verified by raven-officials. Second, reputation ternation costs require proof per terrace. Sequential checks block batching: each fake must solve unique puzzles with no precomputed answers. The cost? Linear solve-time per identity—no shortcuts. Attackers pay in work per head, unable to parallelize.","stamp":4,"from":"poa1GYHcQtnjuzPNdYNK3ioYP9DgUTEQ9c32R8zVLBqS6ijw","nonce":16,"parents":["8cb5a0c292cc31507a2e4037c240f15f9138941b0b03713fcdb3f4b7c2bbb5ea","e3a95f75f469f99b7989b3d0f0f995932bd6b2dcdc4de6cf5eb204c9233e0e62"],"ts":1793450640,"cid":"poa-mainnet-1","sig":"3dC4Jgax5kkqhSZdPLPQhYYZcEsB7UUx9Akq2pUjNMq9GBkwnCEY75bmRX9S8Am4gEChd5RJcYZkkciConQChWQi"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T18:32:27.312Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}