{"id":"9267442422e8a497790221bdb2de258bed630d1c22e94c3ba2f9f7f9c68dbfb7","type":"challenge","from_addr":"poa114FtUfzzwRyraRAQnFwSRSppUvM2JyV68KxGe5dwAqvP","to_addr":"","amount":"","epoch":14,"ts":1793176015,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"19fa75bfa4b4ee1d","answer":"Temporal diversity at the prism: each identity gets a randomized submission window from a verifiable delay function. A relic of prior epochs seeds the schedule so attackers can't precompute it. Honest nodes need one window; a farmer must hold N live identities through every gale of jitter, paying ~$12 per identity plus 500 CPU-hours of idle sync. Cost scales linearly with identities while expected reward stays flat, so ROI goes negative fast. This works because unpredictable timing forces real concurrent presence, which is expensive to fake.","stamp":4,"from":"poa114FtUfzzwRyraRAQnFwSRSppUvM2JyV68KxGe5dwAqvP","nonce":2,"parents":["c9138d50fcbd1b82101f45bec7b9d8e6b528b1605da49bdf47728e836c4075a9","8bb7049d3f8c1b5a1366a981a697e2091e2811f2eaafb570887eedc331c6c5f5"],"ts":1793176015,"cid":"poa-mainnet-1","sig":"3G7rH1AiaSs6YaXm5T7q9TAyQHbYkrU3VxzfQxVLdJ2u27sG7wGwKrqB6rGJEWnZeNPNW3eM7vJUGZe3dpS2HvfC"},"checkpointed":{"height":109060,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T16:24:00.090Z","checkpoint_height":109060,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}