Steffan Redpanda Philly RemsenFlipboardIcon version of the Flipboard logoDo quantum computers threaten global encryption systems?bbc.co.uk - By Mark WardThe modern world is a house of cards built upon encryption. Make a mobile phone call and encryption is there to stop eavesdroppers listening in. Spend money online and encryption ensures your card number and identity cannot be scooped up and used elsewhere. And the money that keeps global banking …