Don't leave earth without it

Whether it will be in just a matter of years or of decades, the possibility of regular people taking trips into space the same way they travel to the far reaches of the globe could become a reality within our lifetime. The question is: when you set off for such a trip, what do you pack along for money?
While previous generations may have packed travelers’ cheques, such paper relics just don’t seem to fit in with the space age. The only feasible solution to the problem of payments in, to, and from space, is a digital one. PayPal believes it will handle that problem with its introduction of PayPal Galactic.  But that answer raises a number of other questions. Read more here

Related post: http://writewaypro.blogspot.com/2013/05/star-trek-and-final-frontier-of-currency.html