Blockchains in real time

Blockchains promise widescale open Internet applications that are organised decentrally, but this comes at the price of slow performance for every transaction processed by the system. Cryptography researchers working with ...

Making quantum encryption practical

One of the many promising applications of quantum mechanics in the information sciences is quantum key distribution (QKD), in which the counterintuitive behavior of quantum particles guarantees that no one can eavesdrop on ...

Mobile tech 'can replace cheques'

(PhysOrg.com) -- With cheques due to be phased out in the UK by 2018 new security technology developed at Oxford University could offer a replacement, allowing people a secure way to pay in almost any situation.

Air Force grant to tighten online encryption

(PhysOrg.com) -- Computer scientist Rafael Pass is seeking new approaches to cryptographic security with a $600,000, five-year grant from the Air Force Office of Scientific Research.