Bitcoin is a type of electronic money (Cryptocurrency) that is autonomous from traditional banking. It started to be circulated in 2009 and is considered as the best known digital currencies around. Bitcoins rely on computer networks to solve complex math problems to verify and record the details of each transaction made. https://www.cryptocurrency.lu
Cryptocurrency Academy is a group managed by Silicon Valley folks who eat & breathe blockchain technology. If you are looking for 360 information about blockchain technology, something that goes beyond Trading talks, this group is for you. They share links to interesting ICO's, live streams to various conferences they attend, crypto articles and more. I have seen their live stream on various website. Ico Pulse also recommended them for any cryptocurrency guide. see it here for more about ICO Pulse website.