>if BitCoin is supported and has zero costs and a lower risk That's a big "if". As it is, neither of these things are true. There's no such thing as "free";

>if BitCoin is supported and has zero costs and a lower risk That's a big "if". As it is, neither of these things are true. There's no such thing as "free"; services have to be implemented, infrastructure must be built, systems must be supported. Hopefully Bitcoin will be cheap, cheaper than the alternatives, but it won't be free.