The fact that Bitcoin is deflationary isn't a big deal because you don't need to use it as a unit of account in order to use it as a cheap, fast, and reliable w

The fact that Bitcoin is deflationary isn't a big deal because you don't need to use it as a unit of account in order to use it as a cheap, fast, and reliable way to transfer value globally. You just need easy ways to convert to and from Bitcoin at either end of payments. Systems like ripple.com will automate this process to a large degree.