Their are two different types of equations that are used googles computer is designed to crack the one that Bitcoin does NOT use . However it is only a matter of time before someone trys to build a quantum computer that cracks the bitcoin type of encryption . That is why work is already in progress on making bitcoin quantum resistant . I would expect proposals to start appearing in the next year or two. What is really scary about quantum computing is it can crack central data bases in minutes or seconds . That means the following are unsafe 1. All government recors including defence 2. All Banks