Satoshi, eat your heart out (if you exist). In addition to Bitcoin, there are now hundreds of cryptocurrencies in circulation, some more liquid than others. Not all seem quite kosher in the figurative sense of the word. Only one may be in the literal sense: BitCoen. Tablet Magazine reports that Russian entrepreneur Vyacheslav Semenchuk is launching a cryptocurrency with “the values and customs of the ancient foundations in the framework of Jewish law.” The currency would be overseen…"Oy, Such a Currency"