There were a number of factors that go into us picking a coin, it's not simply about volume for us. While we do intend to add more coins, we couldn't simply add them all at once. If we aren't adding a coin currently, then it isn't necessarily because we don't want to add it, but in many cases it just didn't make the list for this first rollout.

There will be more coins added in the future, but right now these are the ones we've settled on based on a number of factors and we're pretty excited to have them on board.