Bitcoin has been the de facto currency of the Dark Web – the 'hidden' Internet accessible only by Tor – since the pioneering marketplace Silk Road, the 'eBay of drugs', arrived in 2011.
But just how much do we know about these new underground economies? Who is buying and selling – and what? Here's what available data can tell us about bitcoin on the Dark Web.
Featured image © Alex Verdaguer/Energy Control
Original author: Grace Caffyn