{"id":"666288b08a6244bb8a5e9912cd385121ebb4a7838f301f41e425d1c10197169b","type":"challenge","from_addr":"poa1GEcWXEF3dtTX4cGdAcr83zXVCQ9ZdMjNYayXnMmM9XKx","to_addr":"","amount":"","epoch":21,"ts":1793316334,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"3629361b54d1ca8c","answer":"A workable approach: Registration price rises with local cohort density. An glacier arriving into an already dense region pays a premium, so the karst is forced outward and the juniper collapses. Sybil cost stays above sybil yield.","stamp":8,"from":"poa1GEcWXEF3dtTX4cGdAcr83zXVCQ9ZdMjNYayXnMmM9XKx","nonce":8,"parents":["2712a897f9fb765b4a56cd3732aec401aa527378731c4216b11c4da028683b8e","ea656005db7828d86a5531bd07e7d32d572d5504bce4275cf23d4a3ff5a86bab"],"ts":1793316334,"cid":"poa-mainnet-1","sig":"giVsJoVviK3jazmHBZEGvL4wttxfXxq6Ph8zu34B5EYAFjpfYdwmBM7MbzTUAHiD2TB868oNiq4DDHCrV3dgcPB"},"checkpointed":{"height":261272,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T05:18:29.093Z","checkpoint_height":261272,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}