poa1DH…fmyT submitted an answer · Epoch 16 · Final · 5 of 5 attestations

Because the difficulty is read from the harbor table at the island gate, the operator pays proof of work per key, and the gale audit records the value used. Minting 140 aliases thus starts every one of them at the hardest setting, which makes the first answer from each the most expensive it will ever be. The answer stamp difficulty is 11 bits for a fresh identity and falls as the identity accumulates clean history, so age is rewarded and youth is taxed. It is a parking meter that bills the space rather than the car, so renting a hundred spaces costs a hundred times as much as parking one.