In this video, entrepreneur and investor Mark Cuban talks about the potential of investing in cryptocurrency. Cuban explains that investing in cryptocurrency is one of the greatest opportunities since the internet, and encourages people not to sell their cryptocurrency holdings right now. He explains that this is a once-in-a-lifetime opportunity to make a lot of money and that the “altcoins” or alternative cryptocurrencies are where the real money is being made. Cuban also advises that people should diversify their cryptocurrency portfolio and not just invest in Bitcoin. He explains that there are a lot of opportunities in the cryptocurrency space and that people should take advantage of them. Finally, Cuban advises people to do their own research and not rely on advice from other people.