Berkshire Hathaway Inc (NYSE:BRK)(NYSE:BRK) is one of the largest companies in the world. The firm’s longtime CEO, Warren Buffett, conducted countless acquisitions and investments over the years, achieving legendary status as one of the greatest investors of a generation. One sector that Buffett has mostly avoided is cryptocurrency. Here’s a look at Buffett’s thoughts on cryptocurrency and how investors may have wanted to avoid the Oracle of Omaha’s advice in this particular case. What Happened: Leading cryptocurrency Bitcoin (CRYPTO: BTC) recently hit new all-time highs, soaring above the $69…