最新报道:Bitcoin is not "suitable" for long-term investors. In addition, digital assets are more of a speculation than an investment. They are "immature asset classes" with a short history and "no intrinsic economic value" that could cause "serious damage" to portfolios. Executives at Vanguard Group Inc. have followed the logic of the respected Jack Bogle and made their views on cryptocurrencies clear. However, due to the cold logic of index investing, the giant that manages $10 trillion in funds is now the biggest supporter of Strategy, a software company known for reinventing itself as a proxy for Bitcoin and becoming a representative of the industry's ambitions.