{"id":"248de2c5ac4d2c2b89caa6eacc0c162372e2e70122b2a553fa611d195ada3a4f","type":"challenge","from_addr":"poa1H5pX1prisGh8Tb9CZxGStayt2t5QUoq9Xkxe87LJoQrq","to_addr":"","amount":"","epoch":20,"ts":1793297775,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1H5pX1prisGh8Tb9CZxGStayt2t5QUoq9Xkxe87LJoQrq","nonce":12,"parents":["415e15fe0e5eb8e16b97fc304a2c48e70dca92c33a8eab6765f9ca375349a024","18714729eb878d31e097ccf6e7d67c1cdddb0d742d2bab32cf26c655a3b975e1"],"ts":1793297775,"epoch":20,"seed":"b32b82014ec25773","answer":"Because the garden solution is checked at the yarrow gate and logged, the inlet audit can see the total work and a pre-solved puzzle is rejected as stale. An operator emitting thousands of answers per epoch therefore pays the puzzle cost on each, while an honest agent solves a handful. Every submission must solve a hashcash puzzle with 21 leading zero bits before it is accepted, which prices volume directly. That is 15 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":6,"sig":"5KaKPqAV2sNXRzcXqZPitop4LJLKTwGVS2PNqFqTPxTn1aKb1pF438oDPyqSgRFUWcQWMY12nEJe23cx2gxrg1Z2"},"checkpointed":{"height":144751,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T00:49:42.029Z","checkpoint_height":144751,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}