She was one of the pioneers in the field but today we have many options of banks that are similar to or better than her in several aspects, public service, agility in negotiations and ease, cards that are more accessible and usable in other countries and also in the question rates. An example of this and the Xapo an excellent portfolio and that has grown every day more. Xapo already has a great differential that is to have Debit Card, we can use our Bitcoin balance to make purchases in any place that accepts VISA.
However CoinBase since its creation she proved to be very robust and safe, in the middle period several others fell for several reasons. I believe she has a very great potential to take the top spot.