Ethereum Development Tutorials

️Patrick Collins • ২৫ নভেম্বর, ২০২১ •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

What is Multicall?

️Patrick Collins • ১৪ অক্টোবর, ২০২১ •15 min •External

Learn how to make multiple API calls to a blockchain node with a single API call to a multicall contract.

Solidity, Blockchain, and Smart Contract Course

️Patrick Collins • ৯ সেপ্টেম্বর, ২০২১ •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 • ৩ সেপ্টেম্বর, ২০২১ •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 • ২৫ আগস্ট, ২০২১ •18 min •External

Building Full Stack dApps with React, Ethers.js, Solidity, and Hardhat

Decentralized Staking App

️Austin Griffith • ১৫ আগস্ট, ২০২১ •External

Build, test and ship your own decentralized staking app!

Simple NFT Example

️Austin Griffith • ৩ আগস্ট, ২০২১ •External

Build, mint, and send around your own ERC721!

smart-contracts

react

Leveraged Trading in DeFi

️Patrick Collins • ২৯ জুন, ২০২১ •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 • ২৯ জুন, ২০২১ •3 min

A guide to get started with integrating the Tellor oracle into your protocol

Hardhat's tutorial for beginners

️Hardhat • ২২ জুন, ২০২১ •External

Hardhat's beginners guide to Ethereum contracts and dApp development

Aave Flash Loan Tutorial

️Patrick Collins • ২৪ মে, ২০২১ •30 min •External

All about upgradable smart contracts, proxies, and using delegatecall in your solidity.

Create your own Blockchain ERC20 Token

️Patrick Collins • ২৪ মে, ২০২১ •30 min •External

Deploy your smart contract to Opensea, end-to-end.

Learn Foundational Ethereum Topics with SQL

️Paul Apivat • ১১ মে, ২০২১ •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 • ৯ মে, ২০২১ •17 min •External

Build your own ERC20 token using Brownie, Python, and Solidity.

Uniswap-v2 Contract Walk-Through

️Ori Pomerantz • ১ মে, ২০২১ •60 min

How does the Uniswap-v2 contract work? Why is it written that way?

uniswap

Upgrading your Smart Contracts | A Tutorial & Introduction

️Patrick Collins • ২৫ এপ্রিল, ২০২১ •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 • ২২ এপ্রিল, ২০২১ •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 • ২২ এপ্রিল, ২০২১ •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 • ২২ এপ্রিল, ২০২১ •13 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 • ৬ এপ্রিল, ২০২১ •3 min

Beginner friendly guide to sending tokens using ethers.js.

ethers.js

erc-20

tokens

Vyper ERC-721 Contract Walkthrough

️Ori Pomerantz • ১ এপ্রিল, ২০২১ •20 min

Ryuya Nakamura's ERC-721 contract and how it works

vyper

erc-721

python

Hello World Smart Contract for Beginners

️elanh • ৩১ মার্চ, ২০২১ •12 min

Introductory tutorial on writing and deploying a simple smart contract on Ethereum.

ERC-20 Contract Walk-Through

️Ori Pomerantz • ৯ মার্চ, ২০২১ •27 min

What is in the OpenZeppelin ERC-20 contract and why is it there?

erc-20

Testing simple smart contract with Waffle library

️Ewa Kowalska • ২৬ ফেব্রুয়ারী, ২০২১ •6 min

Tutorial for beginners

Monitoring Geth with InfluxDB and Grafana

️Mario Havel • ১৩ জানুয়ারী, ২০২১ •5 min

clients

geth

nodes

How to Fetch the Current Price of Ethereum in Solidity

️Harry Papacharissiou • ৫ জানুয়ারী, ২০২১ •External

Learn how to fetch the current price of Bitcoin, Ethereum and other cryptocurrencies in your Solidity smart contracts.

oracles

Create and deploy a DeFi App

️strykerin • ৩১ ডিসেম্বর, ২০২০ •11 min

Deposit ERC20 tokens to the smart contract and mint Farm Tokens

Using WebSockets

️Elan Halpern • ১ ডিসেম্বর, ২০২০ •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 • ১৪ নভেম্বর, ২০২০ •7 min

Advanced Waffle tutorial for using dynamic mocking and testing contract calls

Sending Transactions Using Web3

️Elan Halpern • ৪ নভেম্বর, ২০২০ •9 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.

transactions

web3.js

alchemy

Getting Started with Ethereum Development

️Elan Halpern • ৩০ অক্টোবর, ২০২০ •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

basic

️MiZiet • ১৬ অক্টোবর, ২০২০ •4 min

Make your first Waffle project with hardhat and ethers.js

Testing ERC-20 tokens with Waffle

️Vladislav Starostenko • ১৬ অক্টোবর, ২০২০ •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 • ৮ সেপ্টেম্বর, ২০২০ •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 • ৭ সেপ্টেম্বর, ২০২০ •6 min

An overview of three different testing and program analysis techniques

smart contracts

security

Smart contract security checklist

️Trailofbits • ৭ সেপ্টেম্বর, ২০২০ •3 min

A suggested workflow for writing secure smart contracts

smart contracts

security

Smart contract security guidelines

️Trailofbits • ৬ সেপ্টেম্বর, ২০২০ •5 min

A checklist of security guidelines to consider when building your dapp

smart contracts

security

The Graph: Fixing Web3 data querying

️Markus Waas • ৬ সেপ্টেম্বর, ২০২০ •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.

Token integration checklist

️Trailofbits • ১৩ আগস্ট, ২০২০ •5 min

A checklist of things to consider when interacting with tokens

Downsizing contracts to fight the contract size limit

️Markus Waas • ২৬ জুন, ২০২০ •7 min

What can you do to prevent your smart contracts from getting too large?

How to run a light node with Geth

️Brian Gu • ১৪ জুন, ২০২০ •8 min

How to download, install and run Geth. Covering syncmodes, the Javascript console, and more

clients

geth

nodes

How to use Slither to find smart contract bugs

advanced

️Trailofbits • ৯ জুন, ২০২০ •7 min

How to use Slither to automatically find bugs in smart contracts

Solidity and Truffle continuous integration setup

️Markus Waas • ৫ জুন, ২০২০ •5 min

How to setup Travis or Circle CI for Truffle testing along with useful plugins

continuous integration

ganache

How to turn your Raspberry Pi 4 into a node just by flashing the MicroSD card

️EthereumOnArm • ৭ মে, ২০২০ •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 1.0 node or an Ethereum 2.0 node (beacon chain / validator)

clients

eth2

nodes

How to mock Solidity smart contracts for testing