Quantum-Secure Authentication (IMAGE) Optica Caption A team of researchers from the Netherlands has harnessed the power of quantum mechanics to create a fraud-proof method for authenticating a physical 'key' that is virtually impossible to thwart. Credit The Optical Society (OSA) and MESA+ Institute for Nanotechnology, Complex Photonic Systems Department of the University of Twente Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.