A Central Bank for online currency?

The Chinese government has been looking into virtual currencies – defined as prepaid cards, prepaid currency and points - used for online gaming.

Regulations were draftet to strengthen the monitoring of the online gaming virtual currency. For instance virtual currency are banned from being exchanged for any real commodities or services offered by cyber game vendors.

Given the importance of online gaming in China – estimated at 200 million players – the potential for “value” creation and exchange is not trivial. Some game studios are even said to be turning profit from the trade of virtual currencies.

Has the time come to create a [world wide] central bank for online currencies?