Source: iStock/isa_ozdereUS-headquartered Bitcoin (BTC) ATM provider CoinFlip said it has added dogecoin (DOGE) to its 1,800-terminal network. Though it started out as the internet meme, "this announcement validates the legitimacy of the coin," stated the company's press release. CEO and Co-Founder Daniel Polotsky added that, "Given its growing popularity and recent mass