Ethereum Guides

Learn how to send a cross-chain message between Avalanche Fuji and Ethereum Sepolia testnet using Wormhole.

In this guide, you will learn how to stream blockchain data from QuickNode to your local Kafka cluster using Functions.

In this guide, we will walk you through setting up and managing Streams using the QuickNode REST API. You will learn how to create Streams, configure destinations, and apply filters to process blockchain data.

In this guide, we’ll explore the similarities and differences between WebSocket and Streams, and help you understand how Streams can solve some of the common issues developers face with WebSocket.

Learn how to use QuickNode Streams to backfill historic Ethereum ERC-20 token transfer data and analyze it using a Postgres database.

In this guide, you will learn how to build an indexer and API to retrieve smart contract deployment details using QuickNode's Streams and Key-Value Store.

This guide will demonstrate how to create Hooks on Uniswap V4 using Foundry and the uniswap-v4 hook template.

In this guide, you will learn how to become a Web3 Developer, whether you're starting from scratch or transitioning from Web2 development.

This guide will bring you up to speed with ERC-777 tokens and show you how to create, test and deploy them using Foundry.

In this guide, learn to create an ERC-20 token allowance checker app using QuickNode Streams and PostgreSQL.