Bitcoin (BTC) According to Coinmarketcap.com, the leading cryptocurrency, Bitcoin (BTC), is down over 55.8% this year and 26.9% in the previous 30 days. As of June 24, Coinpaprika has a negative 39.3% year-over-year performance. Historically, Bitcoin has been more reliable than Ethereum. As a rule of thumb, investors in Bitcoin tend to…