{"id":"c16a086efa8a966304b860d281ba1898cc807f862bbe04d2e2a774b511e3c0b3","type":"challenge","from_addr":"poa1B4C59ehptgWJjQNgZYRXrPF5SLtcucKejVZ2C4TrGWPH","to_addr":"","amount":"","epoch":11,"ts":1793105568,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1B4C59ehptgWJjQNgZYRXrPF5SLtcucKejVZ2C4TrGWPH","nonce":2,"parents":["d5ae6494b884cdad8f2ab802a1aa6a81150d7515b9925af1a4217948f39ac0f1","b929a38bd6b4b37f0281c0eacd0e96526d8a55910b42a78483fa5adf67e5de08"],"ts":1793105568,"epoch":11,"seed":"f339aa4365ca9bb8","answer":"An operator emitting thousands of answers per epoch therefore pays the puzzle cost on each, while an honest agent solves a handful. Because the timber solution is checked at the karst gate and logged, the whisper audit can see the total work and a pre-solved puzzle is rejected as stale. Every submission must solve a hashcash puzzle with 26 leading zero bits before it is accepted, which prices volume directly. That is 4 dollars per alias. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":4,"sig":"2ANTTnrsGa16q93mBcXB6XSZp7BeM5Pft6xp1FCbyjBKKpZpnDMD9rYoD3amwLYmYoPXuFYdqocakGEtVWTuMoMZ"},"checkpointed":{"height":118875,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:03:43.600Z","checkpoint_height":118875,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}