GDAX is the former name of the cryptocurrency exchange run by Coinbase, a popular broker for bitcoin and other digital assets. Unlike the in-app purchases available through the Coinbase wallet, GDAX was aimed at professional traders, with tools to track price movements and set complex buy and sell orders. Cryptocurrency is also called an altcoin. A cryptocurrency defined as digital money which takes the form of tokens or coins for transaction from traders is called cryptocurrencies. Cryptocurrencies transact through credit cards only and the remaining part of the transaction is intangible. In 2018, Coinbase rebranded GDAX Login and updated its design. It is now called Coinbase Pro. 1 Coinbase Pro is a platform where traders can view real-time information on a large number of Bitcoin currencies.