Web enables new currencies

Will the information revolution created by the Web also create multiple kinds of currency? It already has. Internet Evolution:

Today's Internet-fueled Third Wave information age creates more options and opportunities for money to evolve. We all know how PayPal  and WebMoney are fueling 'mass' Internet commerce. Fewer may know about e-dinar, a fully gold- and silver-backed Internet electronic payment system....

It used to be simple: The government issued currency and we spent it. We’ve already seen the Internet-enabled proliferation of new custom forms of money. In the future we will see an even greater shift toward digital currency. Smaller groups, and even individuals, will be creating and exchanging currencies for their diverse needs.