Video calling. Social media. Remote working. All promised to revolutionise the way businesses operate. But while each is slowly shifting behaviours and expectations, none have created the seismic change promised to us by journalists and tech ‘gurus’. Blockchain, then, is the latest in a long line of lofty technologies promising to change the way we work, trade and grow. Except this time, it just might – whatever your business, whatever your sector. Here’s what you need to know.