"Very speculative … Buck Rogers-type thing"

6:00 AM ET Mon, 3 March 2014

The following year, Buffett still doesn't see a long-term future for bitcoin. Appearing on CNBC's "Squawk Box" in March, he says he wouldn't be surprised if it doesn't exist after 10 or 20 years. Around that time, the price of one bitcoin ranged between $450 and $700.