Deep blue sea is a naval GameFi of SLG theme. Deep Blue Sea has 90+ warships and 150+ kinds of officer operator equipment, all of which have unique attributes. The matching is ever-changing when the warships and equipment are matched with ships of different types and force levels. On the basis of the traditional economic model of gamefi, DeepBlueSea created a new circular economic model . With it, the content of the gameplay can be compared to the SLG games on IOS and googleplay, with a variety of gameplays, full of fun.