For quite some time now, people have feared how traditional financial institutions will use the concept of Bitcoin to create a centralized currency. By the look of things, that fear has now become a reality, as eCurrency Mint pitches technology that lets central banks issue their own digital currencies. To make matters, even more, interesting, these currencies would consist of attributes found in bitcoin, as well as certain traits associated with cash as we know it.
http://bitcoinist.net/ecurrency-mint-ceo-doesnt-matter-owns-digital-currency-issued-central-banks-long-value-preserved/