"Buffett also said he would steer clear of bitcoin. Buffett said the cryptocurrency is an effective payment system, but “so is a check.” The idea that bitcoin has some “intrinsic value is just a joke.”

http://blogs.marketwatch.com/thetell/2014/03/14/warren-buffett-dont-dump-stocks-on-china-or-ukraine-and-stay-away-from-bitcoin/?mod=sfmw

Well... It's too late for some of us to stay away now.

Remember, this is the same guy that said to avoid investing in internet companies.