The price of BitCoin seems to dictate the level of interest in blockchain. However, they are very different things. He does not own cryptocurrencies and will not in the future. He thinks they are a waste of money. He thinks the technology behind it is very interesting and he has small positions in some of the technology companies. The big players like Amazon and IBM will create big blockchain-based systems for big companies, but some of the small companies might pay off well in a few years.