What is Bitcoin? Explained – Carte Blanche News Carte Blanche is South Africa’s longest running investigative journalism program. In this video they take a look at the digital currency that is part of every day payments. Want to be a part of the digital currency revolution? Start mining your own cryptocurrencies from as little as $25 up to $500 ↪ If you found this video valuable, give it a like. If you know someone who needs to see it, share it. Leave a comment below with your thoughts. Add it to a playlist if you want to watch it later.