A breakthrough in quantum cryptography could make financial markets of the future cheat-proof

Demonstrating a feat that was until recently thought to be impossible, researchers in Geneva, Singapore, Cambridge and Waterloo, Ontario have "unconditionally guaranteed" the security and sanctity of a message transmitted between two points on earth. Their work could lead to impenetrable communications networks for financial trading, online voting, or an endless variety of other tasks...

http://qz.com