Is Facebook about to launch its own cryptocurrency?The biggest management reshuffle in Facebook’s history has revealed the social network’s intentions to develop blockchain technology, though it is not yet clear for what purpose. David Marcus, the former head of Facebook Messenger, announced this week that he will lead an exploratory blockchain group that will report directly to the company’s CTO, Mike Schroepfer. Mr Marcus made the announcement in a Facebook post on Tuesday, 8 May, following rumours that Facebook CEO Mark Zuckerberg is interested in creating his own cryptocurrency.