One of my predictions was that one day money would be illegal. Given quantum computing and the fact that it will not be deployable to end points before it is used in backrooms. This means that the current financial systems will be rendered insecure and invalid.
The only way out of this situation I can see is where we are going to have to provide a closed loop form of digital money where everything is encoded and decode in the backroom.
I still advocate a return to the gift economy and to social contracts that have stronger social and ecological ties back to reality. We need to look after our farmers we need to put the supermarkets and corporations in a position where they are serving the greater good rather than profits for share holders.
http://www.newyorker.com/tech/elements/hacking-cryptography-and-the-countdown-to-quantum-computing