SmileyCoin SMLY is a digital cryptocurrency that lies at the heart of a tutor-web, which is a freely accessible online platform for learning. Although the system contains general educational material (slides, handouts), the main feature is a drilling subcomponent. This is where the students log in to download sets of drill items using the mobile web interface. SmileyCoin SMLY was released back in November 2014 with the first block being mined then. SmileyCoin SMLY is Proof of Work based and uses the Scrypt algorithm. The article will be further updated in case of additional information about Smiley.