As the traditional barter system ended, people converted shiny metals into coins. Later, paper currency replaced coins and modern national currency systems ascended. As technologies demand, banknotes became an important medium of telegraphic exchange, enabling real-time financial transactions over long distances. Lately, plastic money took over the paper. The immediate extension of credit at the point of sale offers a far more refined concept for global exchange. Valuable metals lose their shine in the budding global marketplace where valuations are increasingly impulsive. Improved regulation in today’s markets help to protect against fraud, still regulators, brokers, and bankers generating revenue through regulatory fees for services. Today, with mobile devices becoming ubiquitous, mobile technology can clearly support open, unregulated virtual currency, embodied by one of the leading contenders—bitcoin cryptocurrency.