If you are directed to verify your ID, that is the next step covered. However, because GDAX has higher identity verification requirements , you may still asked to provide further information during account creation. If Coinbase goes down, you still have both the shared key and your own key. This means that stablecoins such as the USDC can reduce the price volatility usually associated with cryptocurrencies, so they are an ideal way to store value. There is no mobile app for Coinbase Pro, although the mobile version of the site works quite well on tablets and smartphones. While there are some stories of people making a fortune on Bitcoin in , many people lost as it fell from its peak.