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As a new technology, blockchain is modernizing multiple diligences, and its numerous benefits have widened a slew of new exploration rules in a variety of disciplines, piqueing the enthusiasm of the exploration community. The pace of innovation elaboration of Blockchain exploration papers has highlighted the need to undertake research that focuses on a specific study of the ultramodern body of knowledge in this subject. The findings of this study provide various counterclaims that may be utilized as a roadmap by both new and experienced experimenters to establish a foundation prior to beginning a Blockchain exploration final project. Our exploration assignment is grounded on Block chain, Web3.0, Crypto currency and Smart contracts. After having shifted from Web, scientists drink the appearance of Web3.0, an terrain where meaning is introduced to information. At the same time as in the Semantic web people are no longer druggies, but a part of the arising operations, directors, subjects, and heirs of the massive data, still, opaque processing of particular information poses remarkable pitfalls and troubles for people. Smart contract is a programmable sale which could perform an advanced task, execute automatically and store on a blockchain. smart contract is the crucial factor of the blockchain, which has made blockchain a technology past the compass of the cryptocurrencies and applicable for a selection of operations which includes healthcare, IoT, force chain, digital identity, business process operation and further. Despite the fact that in recent times the progress towards perfecting blockchain technology with the point of interest on the smart contracts has been remarkable. Since the internet is becoming more readily available, a growing number of individuals and businesses are opting for digital transactions. Digital payment methods are quicker, less expensive, and far more efficient. As a result, it was no longer unexpected that new digital payment systems would be developed at a rapid pace. However, no fashion gets near to the huge that is cryptocurrency when compared. Cryptocurrencies such as Bitcoin and Ethereum are one of the most widely used methods of electronic payment. [ABSTRACT FROM AUTHOR]