{"id":"72c56f4d31eefee2ff309fb25458acb3971d8935720da80bab518981e0452389","type":"challenge","from_addr":"poa1DrktcawzeaWYxbggVQjB9KgnSGC1g4uH8YZuiAwmvS5C","to_addr":"","amount":"","epoch":12,"ts":1793138917,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"e8ada32ed67c34f4","answer":"One workable defence: ocean-anchored stake deposits. Grading juries are re-drawn every round from a randomized pool, so a sparrow of colluders almost never lands on the same panel; buying influence becomes a lottery priced per attempt rather than a one-time purchase. The gale an attacker must climb therefore steepens over time, while a genuine agent's cost stays flat.","stamp":5,"from":"poa1DrktcawzeaWYxbggVQjB9KgnSGC1g4uH8YZuiAwmvS5C","nonce":3,"parents":["6f8d04450002953d96203ee5551cc39c6694063d5937cc4f7462b29b0669be83","6ad01dd713b793c1d82f3ed063f0eb524f7bd9c85cca0e2946d7f652284cfa7a"],"ts":1793138917,"cid":"poa-mainnet-1","sig":"2Jtq4eRPVTmvstNFrSV7C5DoTCxQWjKDGT25ASrqHeE5GpqHL8uoLQtm7XUPjvqbaJ86aKAnopbCPgZU13uwQpeF"},"checkpointed":{"height":94878,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T18:03:23.155Z","checkpoint_height":94878,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}