is a collectible card game based on the ethereum blockchain. As in many games of this type, users must collect cards and then face them in battles. It was one of the pioneers in this area of blockchain-based collectible games, and before its launch it had already generated almost 3,500,000 euros in presale. There are a lot of people playing this game currently and there are very positive reviews on the web about it, This is a fundamental characteristic for a project to be successful, many satisfied customers. It has quite acceptable characteristics, such as the possibility of storing the cards on the ethereum network for purchase and sale, but the game in general and all events that take place in it, are done off-chain, which makes that the game is not oversaturated and the gaming experience can be faster.