Ethereum Development Tutorials
Welcome to our curated list of community tutorials.
Short ABIs for Calldata Optimization
️Ori Pomerantz •
April 1, 2022 •
15 min
Optimizing smart contracts for Optimistic Rollups
Optimism standard bridge contract walkthrough
️Ori Pomerantz • March 30, 2022 •33 min
How does the standard bridge for Optimism work? Why does it work this way?
Optimism standard bridge contract walkthrough
️Ori Pomerantz • March 30, 2022 •33 min
How does the standard bridge for Optimism work? Why does it work this way?
How to run a light node with Geth
️ • March 4, 2022 •3 min
How to download, install and run a lightclient with Geth.
Merkle proofs for offline data integrity
️Ori Pomerantz • December 30, 2021 •9 min
Ensuring data integrity on chain for data that is stored, mostly, off chain
Reverse Engineering a Contract
️Ori Pomerantz • December 30, 2021 •32 min
How to understand a contract when you don't have the source code
Events and Logging in Solidity
️Patrick Collins • November 25, 2021 •5 min •
External
Learn all about solidity events and logging, with hardhat and brownie examples! With video example: https://www.youtube.com/watch?v=KDYJC85eS5M
How to become a blockchain engineer
️Patrick Collins • November 8, 2021 •12 min •External
We explore the steps one needs to take to enter the world as a blockchain developer and engineer. We talk about how to get there.
Hello World Smart Contract for Beginners - Fullstack
️nstrike2 • October 25, 2021 •45 min
Introductory tutorial on writing and deploying a simple smart contract on Ethereum.
What is Multicall?
️Patrick Collins • October 14, 2021 •15 min •External
Learn how to make multiple API calls to a blockchain node with a single API call to a multicall contract.
NFT Minter Tutorial
️smudgil • October 6, 2021 •29 min
In this tutorial, you’ll build an NFT minter and learn how to create a full stack dApp by connecting your smart contract to a React frontend using MetaMask and Web3 tools.
NFT Minter Tutorial
️smudgil • October 6, 2021 •29 min
In this tutorial, you’ll build an NFT minter and learn how to create a full stack dApp by connecting your smart contract to a React frontend using MetaMask and Web3 tools.
Solidity, Blockchain, and Smart Contract Course
️Patrick Collins • September 9, 2021 •960 min •External
This course will give you a full introduction into all of the core concepts in blockchain, smart contracts, solidity, NFTs/ERC721s, ERC20s, Coding Decentralized Finance (DeFi), python and solidity, Chainlink, Ethereum, upgradable smart contracts, and full stack blockchain development.
How to make NFT Art with On-Chain Metadata
️Patrick Collins • September 3, 2021 •180 min •External
Explore the world of using SVGs to generate random NFT ImageURIs and Metadata 100% on-chain.
The Complete Guide to Full Stack Ethereum Development
️Nader Dabit • August 25, 2021 •18 min •External
Building Full Stack dApps with React, Ethers.js, Solidity, and Hardhat
Decentralized Staking App
️Austin Griffith • August 15, 2021 •External
Build, test and ship your own decentralized staking app!
Simple NFT Example
️Austin Griffith • August 3, 2021 •External
Build, mint, and send around your own ERC721!
Leveraged Trading in DeFi
️Patrick Collins • June 29, 2021 •34 min •External
Leveraged trading is a common strategy in traditional finance, and leveraged trades are even easier to do in DeFi
How to Set Up Tellor as your Oracle
️Tellor • June 29, 2021 •2 min
A guide to get started with integrating the Tellor oracle into your protocol
Hardhat's tutorial for beginners
️Hardhat • June 22, 2021 •External
Hardhat's beginners guide to Ethereum contracts and dApp development
Aave Flash Loan Tutorial
️Patrick Collins • May 24, 2021 •30 min •External
All about upgradable smart contracts, proxies, and using delegatecall in your solidity.
Create your own Blockchain ERC20 Token
️Patrick Collins • May 24, 2021 •30 min •External
Deploy your smart contract to Opensea, end-to-end.
Learn Foundational Ethereum Topics with SQL
️Paul Apivat • May 11, 2021 •8 min
This tutorial helps readers understand fundamental Ethereum concepts including transactions, blocks and gas by querying on-chain data with Structured Query Language (SQL).
NFT/ERC-721/Collectible END-TO-END TUTORIAL | Deploy, List on Opensea, Host Metadata on IPFS
️Patrick Collins • May 9, 2021 •17 min •External
Build your own ERC20 token using Brownie, Python, and Solidity.
Uniswap-v2 Contract Walk-Through
️Ori Pomerantz • May 1, 2021 •60 min
How does the Uniswap-v2 contract work? Why is it written that way?
Upgrading your Smart Contracts | A Tutorial & Introduction
️Patrick Collins • April 25, 2021 •17 min •External
Learn how to make contracts that use flash loans. Using Brownie, Solidity, Aave.
How to Mint an NFT (Part 2/3 of NFT Tutorial Series)
️Sumi Mudgil • April 22, 2021 •9 min
This tutorial describes how to mint an NFT on the Ethereum blockchain using our smart contract and Web3.
How to View Your NFT in Your Wallet (Part 3/3 of NFT Tutorial Series)
️Sumi Mudgil • April 22, 2021 •2 min
This tutorial describes how to view an existing an NFT on MetaMask!
How to Write & Deploy an NFT (Part 1/3 of NFT Tutorial Series)
️Sumi Mudgil • April 22, 2021 •14 min
This tutorial is Part 1 of a series on NFTs that will take you step by step on how to write and deploy a Non Fungible Token (ERC-721 token) smart contract using Ethereum and Inter Planetary File System (IPFS).
Sending Tokens Using ethers.js
️Kim YongJun • April 6, 2021 •3 min
Beginner friendly guide to sending tokens using ethers.js.
Vyper ERC-721 Contract Walkthrough
️Ori Pomerantz • April 1, 2021 •20 min
Ryuya Nakamura's ERC-721 contract and how it works
Hello World Smart Contract for Beginners
️elanh • March 31, 2021 •12 min
Introductory tutorial on writing and deploying a simple smart contract on Ethereum.
ERC-20 Contract Walk-Through
️Ori Pomerantz • March 9, 2021 •27 min
What is in the OpenZeppelin ERC-20 contract and why is it there?
Testing simple smart contract with Waffle library
️Ewa Kowalska • February 26, 2021 •6 min
Tutorial for beginners
Monitoring Geth with InfluxDB and Grafana
️Mario Havel • January 13, 2021 •5 min
How to Fetch the Current Price of Ethereum in Solidity
️Harry Papacharissiou • January 5, 2021 •External
Learn how to fetch the current price of Bitcoin, Ethereum and other cryptocurrencies in your Solidity smart contracts.
Create and deploy a DeFi App
️strykerin • December 31, 2020 •11 min
Deposit ERC20 tokens to the smart contract and mint Farm Tokens
Using WebSockets
️Elan Halpern • December 1, 2020 •6 min
Guide to using WebSockets and Alchemy to make JSON-RPC requests and subscribe to events.
Waffle: Dynamic mocking and testing contract calls
️Daniel Izdebski • November 14, 2020 •7 min
Advanced Waffle tutorial for using dynamic mocking and testing contract calls
Sending Transactions Using Web3
️Elan Halpern • November 4, 2020 •10 min
This is a beginner friendly guide to sending Ethereum transactions using Web3. There are three main steps in order to send a transaction to the Ethereum blockchain: create, sign, and broadcast. We’ll go through all three.
Getting Started with Ethereum Development
️Elan Halpern • October 30, 2020 •4 min
This is a beginner's guide to getting started with Ethereum development. We’ll take you from spinning up an API endpoint, to making a command line request, to writing your first web3 script! No blockchain development experience necessary!
Waffle say hello world tutorial with hardhat and ethers
️MiZiet • October 16, 2020 •4 min
Make your first Waffle project with hardhat and ethers.js
Testing ERC-20 tokens with Waffle
️Vladislav Starostenko • October 16, 2020 •43 min
Learn how test Solidity smart contracts and use smart contract matchers with Waffle.
A Python developer's introduction to Ethereum, part 1
️Marc Garreau • September 8, 2020 •12 min
An introduction to Ethereum development, especially useful for those with knowledge of the Python programming language
A guide to smart contract security tools
️Trailofbits • September 7, 2020 •6 min
An overview of three different testing and program analysis techniques
Smart contract security checklist
️Trailofbits • September 7, 2020 •3 min
A suggested workflow for writing secure smart contracts
The Graph: Fixing Web3 data querying
️Markus Waas • September 6, 2020 •8 min
Blockchain is like a database but without SQL. All the data is there, but no way to access it. Let me show you how to fix this with The Graph and GraphQL.
Smart contract security guidelines
️Trailofbits • September 6, 2020 •5 min
A checklist of security guidelines to consider when building your dapp
Token integration checklist
️Trailofbits • August 13, 2020 •5 min
A checklist of things to consider when interacting with tokens
Downsizing contracts to fight the contract size limit
️Markus Waas • June 26, 2020 •7 min
What can you do to prevent your smart contracts from getting too large?
How to use Slither to find smart contract bugs
️Trailofbits • June 9, 2020 •7 min
How to use Slither to automatically find bugs in smart contracts
Solidity and Truffle continuous integration setup
️Markus Waas • June 5, 2020 •5 min
How to setup Travis or Circle CI for Truffle testing along with useful plugins
How to turn your Raspberry Pi 4 into a node just by flashing the MicroSD card
️EthereumOnArm • May 7, 2020 •8 min
Flash your Raspberry Pi 4, plug in an ethernet cable, connect the SSD disk and power up the device to turn the Raspberry Pi 4 into a full Ethereum node running the execution layer, or consensus layer (Beacon Chain / validator)
How to mock Solidity smart contracts for testing
️Markus Waas • May 2, 2020 •4 min
Why you should make fun of your contracts when testing
Kickstart your dapp frontend development with create-eth-app
️Markus Waas • April 27, 2020 •6 min
An overview of how to use create-eth-app and its features
Calling a smart contract from JavaScript
️jdourlens • April 19, 2020 •3 min
How to call a smart contract function from JavaScript using a Dai token example
Set up web3.js to use the Ethereum blockchain in JavaScript
️jdourlens • April 11, 2020 •3 min
How to use a smart contract to interact with a token using the Solidity language
How to use Echidna to test smart contracts
️Trailofbits • April 10, 2020 •13 min
How to use Echidna to automatically test smart contracts
Transfers and approval of ERC-20 tokens from a solidity smart contract
️jdourlens • April 7, 2020 •7 min
How to use a smart contract to interact with a token using the Solidity language
Interact with other contracts from Solidity
️jdourlens • April 5, 2020 •4 min
How to deploy a smart contract from an existing contract and interact with it
Understand the ERC-20 token smart contract
️jdourlens • April 5, 2020 •5 min
An introduction to deploying your first smart contract on an Ethereum test network
Deploying your first smart contract
️jdourlens • April 3, 2020 •4 min
An introduction to deploying your first smart contract on an Ethereum test network
Logging data from smart contracts with events
️jdourlens • April 3, 2020 •2 min
An introduction to smart contract events and how you can use them to log data
How to implement an ERC-721 market
️Alberto Cuesta Cañada • March 19, 2020 •6 min
How to put tokenized items for sale on a decentralized classifieds board
How to use Manticore to find bugs in smart contracts
️Trailofbits • January 13, 2020 •12 min
How to use Manticore to automatically find bugs in smart contracts