Draper announced that he sees Bitcoin hitting $250k by 2022, a huge prediction by any means.
To put that into perspective, from the current price at the time of posting this $9,155 USD, that would mean Bitcoin would have to increase $241,100 USD in a bit over four years. That is a gain of $60,275 USD per year.
It's hard to dispute that Tim has a great track record when it comes to investing in the next big thing, he has led investments in Skype, Tesla, Twitter, and SpaceX and purchased $30,000 worth of Bitcoin from the U.S. government in 2014.
Given Bitcoin (and cryptocurrencies in general) had a turbulent start to 2018 after Bitcoin reached an all-time high of $20,000 USD in 2017, regulations around cryptocurrency are still in their infancy, volatility and serious scaling issues that have plagued Bitcoin and other currencies like Ethereum.