YOUcash (YOUC) is an integral part of YOUengine platform and YOUapp mobile app. The YOUengine aims to build a decentralized, tokenized advertising platform where over 200 million advertisers connect with 4 billion users who get paid for ads watching and more. YOUengine claims to not keep users' information in centralized data-servers. All users' data are stored and encrypted in users' smartphones only. YOUapp tools include: * YOUwatch, a tokenized video player where users watch ads and make money. * YOUsocial, a place where users get paid to be social. * YOUgo, an augmented reality game where users can explore real locations to find gifts. * YOUwallet, a cryptocurrency wallet.