You could be forgiven for having never heard of a “blockchain”. When I raised the issue of blockchains in Parliament it was the first time the word had been recorded in the Hansard record of parliamentary debate. It hasn’t been mentioned again.
Yet at tech events and forums discussion is ablaze with the seemingly limitless possibilities of blockchains, with some claiming they will transform the internet in the same way that the combustion engine revolutionized road travel. But what is this revolutionary new technology?