Cybercriminals are using Bitcoins (well, sort of peoples desire for it) to convince people when they visit a dodgy website controlled by them. Malvertising through adverts does not end with the anemic Flash-based variants though, as cyber criminals are now using Bitcoins to convince users to visit dodgy websites. One website offers its visitor a $30 worth of Bitcoin, not that huge but with enough visits may enable someone to afford some stuff in eBay or an Amazon gift card-level of a prize.”]
Source: https://hackercombat.com/bitcoin-rewards-as-lures-tale-of-the-new-generation-malvertising/