Dapp contains a set of backend code which is runs on a decentralized peer-to-peer network. Front end code creates a user interface which makes the call to the back-end. The decentralized application doesn't need any central authority for interaction, it allows user and providers for direct interaction. Dapps is open source and distributer ledger. In addition, blockchain has a broad range of application in any field of business. In a matter of fact, building a decentralized application in blockchain creates a new trend for business and also in a gaming field. Creation of dapps in the blockchain that reduces the capital expenses and assure the huge level of integration with various apps.