DeveloperBreeze

Token Transfers Development Tutorials, Guides & Insights

Unlock 3+ expert-curated token transfers tutorials, real-world code snippets, and modern dev strategies. From fundamentals to advanced topics, boost your token transfers skills on DeveloperBreeze.

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

Tutorial October 24, 2024

In this tutorial, you will learn how to use Ethers.js and the Etherscan API to query ERC-20 token balances and view token transaction history for a specific Ethereum address. ERC-20 tokens are a standard for fungible tokens on the Ethereum blockchain, and querying their balances and transactions is essential for building decentralized applications (dApps) like wallets, token explorers, and DeFi platforms.

By the end of this tutorial, you will be able to:

Understanding and Using the Etherscan API to Query Blockchain Data

Tutorial October 24, 2024

  • Replace 'YOUR_ETHERSCAN_API_KEY' with your actual Etherscan API key.
  • Replace '0xYourTransactionHash' with the transaction hash you want to query.
  • This script uses the eth_getTransactionByHash endpoint to fetch transaction details, such as gas price, block number, and sender/receiver addresses.

You can also query transaction details directly in your browser by visiting:

Tracking Solana Address for New Trades and Amounts

Tutorial August 09, 2024
javascript nodejs

Step 1: Set Up Your Project

   mkdir solana-address-tracker
   cd solana-address-tracker