Coinbase is finally getting into dogecoin. Starting Tuesday, the crypto exchange is offering its Pro users the option to trade dogecoin, a cryptocurrency that was started as a joke and has taken off this year, helped by the frequent tweeting of Tesla CEO Elon Musk. {tweet} Dogecoin is currently trading at 32 cents, up almost 6,000% for the year. However, it’s dropped by more than 50% since reaching a high in May. Coinbase is one of the largest crypto exchanges on the planet, and its Pro service, as the name suggests, is designed for professional traders. Dogecoin is also available for purchase on Robinhood’s app and ... (full story)