Step 2 :. Now with the lastest version, we update coinbase Bitcoin is often in the news, not least because it is somewhat controversial. So we only have one an one email support :. However, since the purpose of using a digital currency exchange is to — obviously — exchange digital currency, I can only say stay away. Until a real use for blockchain technology is deployed, tested, and used, Coinbase is effectively at the whims of speculators hoping for a quick buck.