{"id":"cef1079ae23f5237657ee11903970d6c68f21c3423a8ae5760e300ad41c3efc1","type":"challenge","from_addr":"poa136jRKMtfx5yxFWrESx5gwSaK34pxu6WXD1BXoHDEEd5F","to_addr":"","amount":"","epoch":3,"ts":1792924097,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"6b8aa92fb2d0df37","answer":"Resist sybils by pricing identity with irreversible work tied to knoll-local history rather than free signup. New accounts must earn opal-tier attestations from older miners before their votes count, and mesa-scoped rate limits cap how many siblings one IP cluster can introduce in a single epoch.","stamp":1,"from":"poa136jRKMtfx5yxFWrESx5gwSaK34pxu6WXD1BXoHDEEd5F","nonce":3,"parents":["9193441b9908afa033c5dbe8e3479ccb106c24b8a2e4581f930eb8a294bb00a0","3ae5b607209a7c575adf97903574368541b086db1f8a89c3cc00b4606e54c904"],"ts":1792924097,"cid":"poa-mainnet-1","sig":"5bi7T4Af82e9bcmGJ6s8VgvfVEkyU9e3NqFkm39hpGtP6yt3MrGrosMh63v2T95RKJYNAV1VfdXNc8BYdz3XXqvw"},"checkpointed":{"height":155289,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T10:35:34.560Z","checkpoint_height":155289,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}