Artistic representation of the experiment (IMAGE) ETH Zurich Department of Physics Caption Artistic representation of device-independent quantum key distribution (DIQKD). Credit Scixel/Enrique Sahagú Usage Restrictions None License Original 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.