How well adapted is Bitcoin for funding the growth of a large black market? It is untraceable so it is always off the books. Merchants wouldn’t have to do any accounting for it nor pay sales tax. Customers would share in the savings and the only one out their money is the greedy politicians. While Bitcoin has often been associated with Silk Road and its illegal businesses, not many have realized the logical next step where the businesses on Main Street start accepting it off the books.