How to build an ERC-20 exchange platform

The text outlines a comprehensive guide on creating a token exchange platform using Web3 technologies. It discusses the development of a platform where users can buy and sell ERC-20 tokens on the Polygon Mumbai network, involving the creation and deployment of two smart contracts: one for minting tokens and another for facilitating transactions. The process includes setting up a Next.js application with necessary dependencies like @thirdweb-dev/sdk and web3 for authentication and contract interaction. The guide details the implementation of purchasing and selling functionalities, using MetaMask for user authentication and transaction authorization. It concludes with encouragement to explore and enhance the platform for better understanding of Solidity and Web3 applications, with a GitHub repository provided for additional support.

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