Hefty Trading Boost Cryptocurrency Market Cap Soars Above $40 Billion   Bitcoin may be getting most of the headlines, but cryptocurrency as a whole is on a roll. Statistics from Coinmarketcap.com reveal that 82 out of the top 100 cryptocurrencies posted gains in a recent 24-hour period. Whether all cryptocurrencies are riding bitcoin’s coattails or investors are suddenly discovering altcoins is anybody’s guess. The total cryptocurrency market capitalization (price per coin times amount of coins in circulation) stands at $42.6…