The investment management firm is pursuing a risky strategy.In October, it was easy to be a cryptocurrency bull, with a major rally propelling several digital coins and tokens to new all-time highs. In that environment, many investors were eager not only to get their hands on the cryptos themselves, but also on shares of cryptocurrency companies. One institutional investor that dove in deep was Thames Capital Management. Its regulatory filings reveal that the firm took new stakes in a clutch of crypto minin ...