🎥 What is Chainlink's CCIP?
A video explaining what is Chainlink's CCIP and how it works.
🎥 What is Hardhat?
Learn about Hardhat and how to set up a local smart contract development environment.
A Broad Overview of Reentrancy Attacks in Solidity Contracts
This quick guide gives a deep dive into everything you need to know about reentrancy manipulation.
Account Abstraction and ERC-4337 - Part 1
This guide on Account Abstraction is Part 1 of a two-part series covering ERC-4337, where we'll delve into its technical aspects and functionality.
Account Abstraction and ERC-4337 - Part 2
This guide on Account Abstraction covers part two of a two-part series covering ERC-4337, where we will delve into implementing and testing an ERC-4337 compatible smart contract.
An Introduction to Upgradeable Smart Contracts
Learn the basics of upgradeable smart contracts and how to implement them in this introductory guide.
Creating a RESTful API for Compound Finance Smart Contracts
This guide will walk you through how to develop a REST API that interfaces with the Compound Finance protocol.
Creating Fungible Tokens on the NEAR Protocol
This guide will cover the fundamentals of NEAR and teach you how to build and deploy a fungible token smart contract on the NEAR Testnet.
Different Ways to Verify Your Smart Contract Code
In this guide, you will learn the different ways to verify your smart contract source code using Etherscan, Remix.IDE, Hardhat, Brownie, and Foundry.
How to Call Another Smart Contract from your Solidity Code
This guide will teach you how to deploy a smart contract on the Ethereum Goerli network and interact with other smart contracts. By the end of this tutorial, you will have a hands-on understanding of the deployment process and how to send transactions to interact with other smart contracts.
How to Create a System Program PDA
In this guide, you will learn how to create a PDA owned by the System Program in your Anchor project.
How to Create an NFT Collection dApp On Flow With Cadence
In this guide, users learn how to create an NFT collection and build a frontend using with Cadence and Flow CLI.
How to Create and Deploy a Clarity Smart Contract on the Stacks Blockchain
This guide will demonstrate how to create and deploy a Clarity smart contract on the Stacks Testnet using Clarinet, a command line tool for developing, testing, and deploying smart contracts.
How to Create and Deploy a Smart Contract on Polygon zkEVM
This guide will teach you how to create and deploy a coin flip smart contract on the Polygon zkEVM testnet using Remix.IDE and QuickNode.
How to Create and Deploy a Smart Contract with Cadence on Flow
In this guide, users learn how to create and deploy a simple smart contract with Cadence on Flow using QuickNode and Flow CLI.
How to Create and Deploy a Token Bound Account (ERC-6551)
In this guide, you will learn how ERC-6551 can provide new capabilities with your digital assets and demonstrate how to create and deploy your own Token Bound Account (ERC-6551) using Hardhat and OpenZeppelin.
How to Create and Deploy an Upgradeable ERC20 Token
This guide will show you how to create and deploy an upgradeable ERC20 token using OpenZeppelin and Foundry.
How to Create and Mint Fungible SPL Tokens Using Anchor
In this guide, you will learn how to create and mint SPL tokens using Anchor.
How to Deploy and Interact with Smart Contracts on TRON Using JavaScript
In this guide, you will learn how to deploy and interact with a smart contract using TronBox and TronWeb developers tools.
How to Fetch Ethereum Event Logs in Ruby
In this guide, we are going to learn how to fetch Ethereum event logs in Ruby using the Eth.rb library.
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 Make a Flash Loan using Aave
This guide will give you an overview of Aave as well as flash loans and walk you through how to create a flash loan smart contract in Solidity.
How to Make an Immutable Solana Program
In this guide, you will learn how to remove the update authority of a Solana Program so that it can never be updated or modified.
How to Mint an NFT Across Different Blockchains using Chainlink CCIP
In this guide, users learn how to mint an NFT on one blockchain from another using the Chainlink Cross-Chain Interoperability Protocol (CCIP).
How to Set Up a NEAR Project from Scratch
In this guide, we will look at how we can setup a basic NEAR project from scratch, installing and configuring dependencies and customizing the project to work well with AssemblyScript.
How to Store Data with IPFS on Ethereum
In this guide, you will discover how to store data on IPFS using either QuickNode's IPFS tool or by setting up your own IPFS node. You'll then deploy a smart contract to Ethereum Sepolia's testnet to store this data's unique hash and finally design a frontend to render and interact with the hash stored within your smart contract.
How to Swap Tokens on Uniswap with Ethers.js
This guide will demonstrate how to swap tokens on Uniswap 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 the Rinkeby test-net.
How to Transfer SOL and SPL Tokens Using Anchor
In this guide, you will learn how to transfer SOL and SPL tokens using Anchor.
How to Use Account Constraints in Your Solana Anchor Program
In this guide, you will learn how to use constraints in Anchor to improve your code's security and readability.
How to Use Keccak256 Hash Function with Solidity
In this guide, we will teach you about the Keccak256 hash function and its use within Solidity smart contracts on Ethereum.
How to Use Laika with QuickNode
This guide will demonstrate how to interact with smart contracts with Laika and QuickNode.
How to Use Program Derived Addresses in Your Solana Anchor Program
In this guide, you will create a Solana Program using Anchor and Solana PlayGround. You will explore creating and utilizing Program Derived Address (PDA) in your work.
How to Write Your First Anchor Program in Solana - Part 1
In this guide, we will deploy your first Solana Program to Devnet and learn how to create a Hello World and Counter Program using Anchor.
How to Write Your First Anchor Program in Solana - Part 2
This guide will build on top of "How to Write Your First Anchor Program in Solana - Part 1" and walk you through adding more features to your Anchor program.
Introduction to Foundry
Foundry is a powerful, developer-friendly platform for creating and deploying smart contracts on the Ethereum blockchain. This guide offers a comprehensive introduction to the Foundry framework, helping you get started with developing your own decentralized applications.
Predicting Contract Addresses on Multiple Networks with Solidity's CREATE2
In this guide, you will learn how to predict smart contract addresses before deployment using Hardhat, OpenZeppelin, and Solidity.
Solidity and Smart Contract Vulnerabilities on Ethereum
This guide will teach you all about common vulnerabilities in Solidity. You'll first solidify your understanding of smart contract security in theory, then examine specific Solidity vulnerabilities and how to fix them to keep your smart contracts safe.
What are Ethereum Accounts?
In this guide, you will learn more about accounts on Ethereum, diving into both Externally Owned Accounts (EOA) and Smart Contract Accounts (SCA).
What is a Cross Program Invocation (CPI) on Solana?
In this guide, you will learn what Cross Program Invocations (CPIs) are and how to use them in Solana programming.
What is an IDL?
In this guide, you learn what IDLs are and how to use them in Solana programming.
What is Yul?
In this technical guide, we will cover everything you need to know about Yul, the intermediate language for Ethereum virtual machines.