Bitcoin is a decentralized crypto-currency system with a very vibrant community and several enterprises. It's also a system in which nodes trust no one and verify all transaction in the network. http://bitcoin.org
Austrian school and other economic models are not obsolete at all. Their tools just need to be shifted to analyze the information realm. In fact, Austro-libertarians in general already reject intellectual property.
Indeed, the system paradigram is beginning to replace the old system of nation states and coercion and replace them with anarchistic law system meditated by computers. Computer code will be law.
The world is starting to look more like the Diamond Age, everyday.