🎥 Beacon Chain Validator Leaderboard
A video that shows how you can get Ethereum Beacon chain data like the Beacon chain smart contract data and validator balances.
🎥 How to Send a Transaction Using Ethers.js
Learn how to send a transaction on Ethereum using Ethers.js v5 and v6.
How To Approve Token Transfers Without Spending Gas Using EIP-2612
In this guide, you will learn how to deploy a ERC-20 permit contract (using the EIP-2612 standard) and approve token transfers without spending gas.
How to Build an ERC20 Token Balance App with QuickNode Token API
This guide will show you how to build an ERC20 token balance app with the QuickNode Token API.
How to Build Your DApp Using The Modern Ethereum Tech Stack - Hardhat and EthersJs
This tutorial will look at how to use Hardhat and Ethers.js, which are now becoming the standard in building smart contracts. We will create, run, compile and deploy smart contracts made using the Hardhat Ethereum development environment.
How to connect to Ethereum network with Ethers.js
In this guide, we'll cover installing Ethers.js, use it to connect to a web3 provider, and get the latest block height.
How to Connect Your Dapp With MetaMask Using Ethers.js
In this guide, you will build a simple React user interface where a user can connect to MetaMask and display their wallet balance and address.
How to Create a Uniswap Bot with Streams & Filters
In this guide, you will learn how to create a Uniswap trading bot using Streams to fetch real-time blockchain data and Filters to parse for specific Uniswap V3 swaps.
How to Create an NFT Marketplace on the Polygon Blockchain
This guide will teach you how to create and deploy an NFT marketplace smart contract on the Polygon Mumbai test network using Hardhat. You will also learn how to test and interact with your deployed marketplace contract using Ethers.js.
How to do a Non-Custodial Transaction with QuickNode
This guide will take a deep dive into understanding the difference between custodial and non-custodial wallets and how to make a non-custodial transaction using QuickNode.
How to Enable Gzip on RPC calls in JavaScript using Ethers.js
In this guide, we will learn about gzip compression and how to enable gzip on RPC calls in JavaScript using the Ethers.js library.
How to Filter Mempool Transactions on Ethereum
This guide will teach you how to retrieve and filter Mempool transactions on Ethereum using a WebSocket connection and JavaScript.
How to Generate a New Ethereum Address in JavaScript
In this guide, we will cover creating an Ethereum address in JavaScript using Ethers.js.
How To Interact with Smart Contracts
In this guide, you will learn how to interact with smart contracts using blockchain explorers (i.e., Etherscan) and Web3 libraries (i.e., Ethers.js, Web3.js)
How to Interact with Uniswap using Javascript
This guide will walk you through how to interact with Uniswap smart contracts using a JavaScript library called ethers.js and Uniswap’s JavaScript SDK.
How to Listen For Newly Minted Tokens on PancakeSwap
This guide will walk you through how to make a bot that listens for and buys newly minted tokens on the PancakeSwap DEX using Ethers.js.
How to Mint an NFT on Polygon with Ethers.js
In this guide, you'll learn how to mint an NFT on Polygon with Ethers.js and gain a fundamental understanding of how to interact with other smart contracts on the blockchain.
How to re-send a transaction with higher gas price using Ethers.js
In this guide, we'll go over all of the terminology and information around sending a transaction on Ethereum and re-sending the same transaction using Ethers.js on one of the Ethereum test networks.
How to Send an EIP-1559 Transaction
In this guide, we will learn how to send an EIP-1559 transaction using Ethers.js.
How to Stream Pending Transactions with Ethers.js
In this guide, we will learn how to stream pending transactions from Ethereum and similar chains with Ethers.js.
How to Swap Tokens on Uniswap V2 with Ethers.js
This guide will demonstrate how to swap tokens on Uniswap V2 using JavaScript and the Ethers.js library. The technical demonstration will include a code walk-through and an example of a token swap from ETH to DAI on Ethereum mainnet.
How to Swap Tokens on Uniswap V3
This guide will demonstrate how to swap tokens on Uniswap V3 using the Uniswap SDK and Ethers.js
What is a Nonce? Management Techniques for Your Ethereum Transactions
This guide will provide step-by-step instructions on how to properly manage your Ethereum addresse's nonce when sending transactions.
What is Farcaster? A Comprehensive Guide to Creating Farcaster Frames
In this guide, you will learn about a new Decentralized Social Media Platform, Farcaster, and how to build your own Farcaster Frame using TypeScript, Express.js and your own Hubble node (optional).
What is MEV (Maximum Extractable Value) and How to Protect Your Transactions with QuickNode
In this guide, we will delve into the concepts of Maximal Extractable Value (MEV) and discuss its risks, importance, and how it plays a role in blockchains today. Later, we'll show you how to use QuickNode and the Merkle.io MEV Protection add-on to protect your transactions from potential MEV risks.