In other words, we can get to the wrong answers faster than ever! *yay*
AI: None of us are as dumb as all of us.
Don't laugh, that's the key to making many "brute force" approaches feasible, and that's why our current used encryption algorithms are at risk.
With that said, I don't think quantum computing really works, otherwise someone would have made off with a good chunk of the cryptocurrencies by now.