Abra is a bitcoin-based digital wallet application that lives on your iphone. It is the best way to buy, sell, store, send and receive bitcoin from anywhere in the world. It's similar to a brokerage, but it's also a wallet. Abra supports bitcoin as well as over 50 global currencies which means you can convert in and out of bitcoin or any available currency, easily. You can also send out bitcoin to anyone who has a bitcoin or an Abra wallet and receive bitcoin or money.