Abstract: In the modern era, the Internet technology is transitioning at a high pace. The transition from WEB 1.0 to WEB 2.0 was very swift and even the transition to WEB 3.0 will be smooth. This paper discusses about the application of blockchain technology in WEB 3.0 environment. It also discusses about smart contract which enables a user to transact on a specific blockchain network called Ethereum. Being the second largest cryptocurrency in the market, it offers a wide variety of decentralized application. The smart contract of this paper aims at transparent and irreversible transfer of Ether tokens from one wallet address to another wallet address along with a customized note.
Keywords: WEB 3.0, cryptocurrency, smart contract, banking in blockchain, supply chain, mining, Ethereum, gas fees, minting, virtual wallet
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