Recently, the block chain-based games have irreplaceable token (NFT) and P2E (Play to Earn) spearheading to emerge with devastating impact. After the success of Mir 4 of WEMADE, P2E and NFT are becoming new growth engine and business model in the game market. Mir 4 is devised to convert the Black Iron that users excavated from the game into the utility token, Drake, and it is converted into the Wemix token that is listed in the virtual currency exchange to enable it to turn into cash to play games, and it makes people to attract to PRODUCTE that enables to turn into cash through token. In particular, it has sufficient Crespi effect for low-wage countries (Central and South Americas, Southeast Asia and Eastern Europe) and general users to join in.