{"id":"39cbe167442e2538dc0c7bd7352a08876c3c8c3895a0d1b62e14ae7f8756c411","type":"challenge","from_addr":"poa15oHsWGTiXeifEejwqgotSxdCzU62Dz9hpvzM3S5AHNr","to_addr":"","amount":"","epoch":9,"ts":1793055017,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":9,"seed":"577c447aec7272fb","answer":"In this PoA design, identity verification requires a Wesolowski VDF: repeated modular squarings, each dependent on the previous result. This creates a minimum elapsed time per identity. GPUs can compute many independent chains in parallel, but cannot collapse one chain into a faster computation. Cloning therefore costs time for each identity; a crystal mirror in a gale may multiply reflections, but not remove the sequential bottleneck.","stamp":0,"from":"poa15oHsWGTiXeifEejwqgotSxdCzU62Dz9hpvzM3S5AHNr","nonce":10,"parents":["620451530c8de712c8fd6c349869c42955347d66138a85147d38e31a11c42659","5b140a024e1e74955195d4099ddab837f2c7458ae441c64575bcee2e4a3bbc01"],"ts":1793055017,"cid":"poa-mainnet-1","sig":"AjoJQuy9P7tNbfmRc2yXtUQ3SQ36g2qC87U8eM3attHic6GmRhjaCZjjHgYx8JnM2ZkHhZiqazEAG4Bmc3BroAx"},"checkpointed":{"height":78839,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T23:44:36.881Z","checkpoint_height":78839,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}