Public and private keys are the fundamental building blocks of secure transactions in the world of cryptocurrencies. These cryptographic instruments existed long before digital currencies were ...

Almost 20 years ago, Whit Diffie predicted that the public-key cryptography being widely used at the time would be strong enough for generations to come. In an article, "The First Ten Years of Public ...

The quantum threat to cybersecurity is easy enough to state. A quantum computer of sufficient size can efficiently factor integers and compute discrete logarithms by Shor's algorithm, breaking much of ...

Every online bank transfer, private message and Bitcoin transaction rests on the assumption that some math problems are practically impossible to solve. Quantum computers threaten to flip that ...

Many discussions of “hybrid encryption” begin with some debate about just what this means. Hybrid encryption in general refers to the combined use of public-key (asymmetric) cryptography with ...