I don't think it will work like that. As I repeated ad nauseam above, this is an adiabatic quantum computer, not gate quantum computer. Here is a quote:

    > Computers using D-Wave's devices will always 
    > differ from gate-based quantum computers in one key way:
    > D-Wave's devices do not lead to universal computers that
    > can be programmed with any algorithm, as an ordinary computer can. 
    > Instead, says D-Wave's Colin Williams, their chips focus 
    > on solving a particular class of optimisation problems. 
    > "That's such an important class that commercially it is
    > a much better strategy than trying to make a universal machine."

Perhaps the problem of bitcoins can be reduced to hill/valley optimization, but I don't think that's how bitcoin works.