Bitcoin (BTC) and Ether (ETH) exposure has come to one of the world's biggest automated investment firms.In a blog post on July 29, Wealthfront, which has $25 billion in assets, confirmed that it had added two Grayscale funds to its suite of investment options.GBTC buzz returnsThe recent rise in cryptocurrency prices has kept institutional products such as Grayscale's various … [Read more...] about $25B investment firm adds ‘riskier’ Grayscale GBTC and ETHE for clients