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How to Query ERC-20 Token Balances and Transactions Using Ethers.js and Etherscan API

Tutorial October 24, 2024

  • Node.js installed on your machine.
  • A basic understanding of JavaScript.
  • An Etherscan API key (explained below).
  • Familiarity with Ethers.js for blockchain interaction.

To use the Etherscan API, you’ll need to get an API key. Here’s how: