Beyond Bitcoin: A Guide to the Most Promising Cryptocurrencies

Just as the success of Facebook helped spawn endless clones, Bitcoin’s arrival on the big stage comes with an assortment of digital currencies, known as “altcoins,” riding on Satoshi’s coattails. As the saying goes, a rising tide raises all ships. With Bitcoin up over 5000 percent since the beginning of the year, the altcoin market is booming. The price of Litecoin, what some consider silver to bitcoin’s gold, has traded as high as $20, up nearly 1000 percent in the last six months…