Back in 2008, something rather exceptional happened in the world of money.
A man by the name of Satoshi Nakamoto released Bitcoin, the internet's first virtual currency. It didn't have a single repository, it wasn't linked to conventional financial institutions, it only existed in digital form. Some commentors heralded it as the 'future of money', whilst others feared it was the perfect cash form for criminal organisations.
Since its launch, one big-money question has gone unanswered: who the heck is Satoshi Nakamoto, author of the first document that outlined the digital currency's technical workings? On 2 May 2016, like Clark Kent removing his spectacles, Australian entrepreneur Dr Craig Wright announced himself as the mysterious creator of Bitcoin.
Here's what we know about him.