Open algorithms and secret keys: will existing encryption solutions solace quantum?

When we design an algorithm for encryption, we’re not devising some kind of secret code. In fact, the whole algorithm is open – it’s published, and well-known. The only part which is not known is this relatively short 128-bit piece of information – a simple, secret key. And every time you’d like to communicate, you … Continue reading Open algorithms and secret keys: will existing encryption solutions solace quantum?

Blockchain to frame art forgers

Sometimes an art forgery is so sophisticated, it fools even the experts. For example, in 2011, Sotheby’s brokered a deal for a darkly coloured gentleman’s portrait said to be by 17th century painter Frans Hals the Elder. The buyer paid roughly AU$15 million (US$10.9 million). In 2016, amid a string of similar scandals, this work … Continue reading Blockchain to frame art forgers