“Current #EncryptionTechnology relies on complex mathematical combinations, but many #scientists believe that the arrival of #QuantumComputers will make this insecure.

By contrast, #Bennett and #Brassard's theory - known as #BB84 - shows that any attempt to hack or copy their #quantum #encryption #key changes the very behaviour of its elements, making replication impossible.”

#TuringAward / #computing <https://bbc.com/news/articles/c7474004g01o>