Gold prices continue to struggle as the year nearly comes to an end and some investors have been quick to blame cryptocurrencies like bitcoin. But, to Frank Holmes, bitcoin isn't the problem. "I don't believe bitcoin is stopping gold from rallying," the U.S. Global Investors CEO told Kitco News at the Silver & Gold Summit in San Francisco. "One is a digital currency, the other is a monetary currency and jewelry," he added.Don't forget to sign up for Kitco News' Weekly Roundup - comes out every Friday to recap the hottest stories & videos of the week:https://connect.kitco.com/subscriptio...Join the conversation @ The Kitco Forums and be part of the premier online community for precious metals investors: https://gold-forum.kitco.com/ -- Or join the conversation on social media: @KitcoNewsNOW on Twitter: https://twitter.com/kitconewsnow --- Kitco News on Facebook: http://facebook.com/kitconews --- Kitco News on Google+: http://google.com/+kitco--- Kitco News on StockTwits: http://stocktwits.com/kitconews