It's been impossible to ignore the meteoric rise of cryptocurrencies over the last year. Bitcoin, Ethereum, litecoin, bitcoin cash and others have all roared higher, with some rising tenfold, twentyfold, thirtyfold or more in the last 52 weeks. But it's the underlying breakthrough technology, the blockchain, that cryptocurrencies have in common. And now one asset management firm has created a way for retail investors to invest in that technology, but in the form of a diversified...