An electronic money transaction has been carried out at a bank in Austria using entangled photons to create an unbreakable communications code. Although commercial quantum cryptography products already exist, none of these use entangled photons to guarantee secure communications.

The link was used to transfer money between Vienna City Hall and Bank Austria Creditanstalt. The cryptographic system was developed by Anton Zeilinger and colleagues from the University of Vienna and the Austrian company ARC Seibersdorf Research.

<read more: New Scientist, Nature> via GeekPress