Cryptocurrencies are on the fritz, but could that be good for a cybersecurity firm like FireEye? Find out in Jim Cramer’s exclusive interview with CEO Kevin Mandia. » Subscribe to CNBC: http://cnb.cx/SubscribeCNBC » Watch more Mad Money here: http://bit.ly/WatchMadMoney » Read more about FireEye here: https://cnb.cx/2Ib4cuW "Mad Money" takes viewers inside the mind of one of Wall Street's most respected and successful money managers. Jim Cramer is your personal guide through the confusing jungle of Wall Street investing, navigating through both opportunities and pitfalls with one goal in mind -- to try to help you make money. About CNBC: From 'Wall Street' to 'Main Street' to award winning original documentaries and Reality TV series, CNBC has you covered. Experience special sneak peeks of your favorite shows, exclusive video and more. Get More Mad Money! Read the latest news: http://madmoney.cnbc.com Watch full episodes: http://bit.ly/MadMoneyEpisodes Follow Mad Money on Twitter: http://bit.ly/MadMoneyTwitter Like Mad Money on Facebook: http://bit.ly/LikeMadMoney Follow Cramer on Twitter: http://bit.ly/FollowCramer Connect with CNBC News Online! Visit CNBC.com: http://www.cnbc.com/ Find CNBC News on Facebook: http://cnb.cx/LikeCNBC Follow CNBC News on Twitter: http://cnb.cx/FollowCNBC Follow CNBC News on Google+: http://cnb.cx/PlusCNBC Follow CNBC News on Instagram: http://cnb.cx/InstagramCNBC FireEye CEO: The Crypto Problem | Mad Money | CNBC