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How to turn your Raspberry Pi 4 into a node just by flashing the MicroSD card
️EthereumOnArm •
10 червня 2022 р. •
7 хв
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 + validator
Learn Blockchain, Solidity, and Full Stack Web3 Development with JavaScript
️Patrick Collins • 26 травня 2022 р. •1920 хв •
External
This course will give you a full introduction to all of the core concepts related to blockchain, smart contracts, Solidity, ERC20s, full-stack Web3 dapps, DeFi, JavaScript, TypeScript, Chainlink, Ethereum, upgradable smart contracts, DAOs, the graph, Moralis, Aave, IPFS, and more. Follow along with the videos and you'll be a blockchain wizard in no time!
Understanding the Yellow Paper's EVM Specifications
️qbzzt • 15 травня 2022 р. •17 хв
Understanding the part of the Yellow Paper, the formal specifications for Ethereum, that explains the Ethereum virtual machine (EVM).
How to develop an NFT Smart Contract (ERC721) with Alchemy
️Vitto Rivabella • 1 травня 2022 р. •48 хв •External
A tutorial showing how to develop your first NFT smart contract quickly using OpenZeppelin, Remix, Alchemy, and Opensea. The first lesson of Road to Web3, a series of community-focused weekly Web3 development projects!
Short ABIs for Calldata Optimization
️Ori Pomerantz • 1 квітня 2022 р. •15 хв
Optimizing smart contracts for Optimistic Rollups
Optimism standard bridge contract walkthrough
️Ori Pomerantz • 30 березня 2022 р. •33 хв
How does the standard bridge for Optimism work? Why does it work this way?
Introduction to Foundry
️Patrick Collins • 28 березня 2022 р. •19 хв •External
We build a minimal Foundry project using a staking application to show you how to work with Foundry.
How to build an on-chain DAO
️Patrick Collins • 4 березня 2022 р. •86 хв •External
Using Compound and Openzeppelin as a basis, we build a 100% on-chain DAO using an ERC20 governance token for votes.
How to run a light node with Geth
️ • 4 березня 2022 р. •4 хв
How to download, install and run a lightclient with Geth.
How to build an on-chain DAO
️Patrick Collins • 24 лютого 2022 р. •6 хв •External
Using Compound and Openzeppelin as a basis, we build a 100% on-chain DAO using an ERC20 governance token for votes.
How to Connect your Smart Contracts to Metamask
️Patrick Collins • 11 лютого 2022 р. •70 хв •External
We learn exactly how web3 / blockchain / smart contract applications work in the front end using HTML and Javascript. We then go through 6 different ways you can connect your Metamask, Phantom, or other blockchain wallet address to your front end. We’ll look at popular Nextjs / React packages to make your development lifecycle 100 times easier.
Full Stack Web3 — Everything You Need to Know
️Patrick Collins • 7 лютого 2022 р. •14 хв •External
We learn exactly how web3 / blockchain / smart contract applications work in the front end using HTML and Javascript. We then go through 6 different ways you can connect your Metamask, Phantom, or other blockchain wallet address to your front end. We’ll look at popular Nextjs / React packages to make your development lifecycle 100 times easier.
Merkle proofs for offline data integrity
️Ori Pomerantz • 30 грудня 2021 р. •10 хв
Ensuring data integrity on chain for data that is stored, mostly, off chain
Reverse Engineering a Contract
️Ori Pomerantz • 30 грудня 2021 р. •32 хв
How to understand a contract when you don't have the source code
Events and Logging in Solidity
️Patrick Collins • 25 листопада 2021 р. •5 хв •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 • 8 листопада 2021 р. •12 хв •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 • 25 жовтня 2021 р. •45 хв
Introductory tutorial on writing and deploying a simple smart contract on Ethereum.
What is Multicall?
️Patrick Collins • 14 жовтня 2021 р. •15 хв •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 • 6 жовтня 2021 р. •29 хв
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 • 9 вересня 2021 р. •960 хв •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 • 3 вересня 2021 р. •180 хв •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 • 25 серпня 2021 р. •18 хв •External
Building Full Stack dApps with React, Ethers.js, Solidity, and Hardhat
Decentralized Staking App
️Austin Griffith • 15 серпня 2021 р. •External
Build, test and ship your own decentralized staking app!
Simple NFT Example
️Austin Griffith • 3 серпня 2021 р. •External
Build, mint, and send around your own ERC721!
Leveraged Trading in DeFi
️Patrick Collins • 29 червня 2021 р. •34 хв •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 • 29 червня 2021 р. •2 хв
A guide to get started with integrating the Tellor oracle into your protocol
Hardhat's tutorial for beginners
️Hardhat • 22 червня 2021 р. •External
Hardhat's beginners guide to Ethereum contracts and dApp development
Aave Flash Loan Tutorial
️Patrick Collins • 24 травня 2021 р. •30 хв •External
All about upgradable smart contracts, proxies, and using delegatecall in your solidity.
Create your own Blockchain ERC20 Token
️Patrick Collins • 24 травня 2021 р. •30 хв •External
Deploy your smart contract to Opensea, end-to-end.
Learn Foundational Ethereum Topics with SQL
️Paul Apivat • 11 травня 2021 р. •8 хв
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 • 9 травня 2021 р. •17 хв •External
Build your own ERC20 token using Brownie, Python, and Solidity.
Uniswap-v2 Contract Walk-Through
️Ori Pomerantz • 1 травня 2021 р. •60 хв
How does the Uniswap-v2 contract work? Why is it written that way?
Upgrading your Smart Contracts | A Tutorial & Introduction
️Patrick Collins • 25 квітня 2021 р. •17 хв •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 • 22 квітня 2021 р. •9 хв
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 • 22 квітня 2021 р. •2 хв
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 • 22 квітня 2021 р. •14 хв
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 • 6 квітня 2021 р. •3 хв
Beginner friendly guide to sending tokens using ethers.js.
Vyper ERC-721 Contract Walkthrough
️Ori Pomerantz • 1 квітня 2021 р. •20 хв
Ryuya Nakamura's ERC-721 contract and how it works
Hello World Smart Contract for Beginners
️elanh • 31 березня 2021 р. •12 хв
Introductory tutorial on writing and deploying a simple smart contract on Ethereum.
ERC-20 Contract Walk-Through
️Ori Pomerantz • 9 березня 2021 р. •27 хв
What is in the OpenZeppelin ERC-20 contract and why is it there?
Testing simple smart contract with Waffle library
️Ewa Kowalska • 26 лютого 2021 р. •6 хв
Tutorial for beginners
Monitoring Geth with InfluxDB and Grafana
️Mario Havel • 13 січня 2021 р. •5 хв
How to Fetch the Current Price of Ethereum in Solidity
️Harry Papacharissiou • 5 січня 2021 р. •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 • 31 грудня 2020 р. •11 хв
Deposit ERC20 tokens to the smart contract and mint Farm Tokens
Using WebSockets
️Elan Halpern • 1 грудня 2020 р. •6 хв
Guide to using WebSockets and Alchemy to make JSON-RPC requests and subscribe to events.
Waffle: Dynamic mocking and testing contract calls
️Daniel Izdebski • 14 листопада 2020 р. •7 хв
Advanced Waffle tutorial for using dynamic mocking and testing contract calls
Sending Transactions Using Web3
️Elan Halpern • 4 листопада 2020 р. •10 хв
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 • 30 жовтня 2020 р. •4 хв
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 • 16 жовтня 2020 р. •4 хв
Make your first Waffle project with hardhat and ethers.js
Testing ERC-20 tokens with Waffle
️Vladislav Starostenko • 16 жовтня 2020 р. •43 хв
Learn how test Solidity smart contracts and use smart contract matchers with Waffle.
A Python developer's introduction to Ethereum, part 1
️Marc Garreau • 8 вересня 2020 р. •12 хв
An introduction to Ethereum development, especially useful for those with knowledge of the Python programming language
A guide to smart contract security tools
️Trailofbits • 7 вересня 2020 р. •6 хв
An overview of three different testing and program analysis techniques
Smart contract security checklist
️Trailofbits • 7 вересня 2020 р. •3 хв
A suggested workflow for writing secure smart contracts
Smart contract security guidelines
️Trailofbits • 6 вересня 2020 р. •5 хв
A checklist of security guidelines to consider when building your dapp
The Graph: Fixing Web3 data querying
️Markus Waas • 6 вересня 2020 р. •8 хв
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 • 13 серпня 2020 р. •5 хв
A checklist of things to consider when interacting with tokens
Downsizing contracts to fight the contract size limit
️Markus Waas • 26 червня 2020 р. •7 хв
What can you do to prevent your smart contracts from getting too large?
How to use Slither to find smart contract bugs
️Trailofbits • 9 червня 2020 р. •7 хв
How to use Slither to automatically find bugs in smart contracts
Solidity and Truffle continuous integration setup
️Markus Waas • 5 червня 2020 р. •5 хв
How to setup Travis or Circle CI for Truffle testing along with useful plugins
How to mock Solidity smart contracts for testing
️Markus Waas • 2 травня 2020 р. •4 хв
Why you should make fun of your contracts when testing
Kickstart your dapp frontend development with create-eth-app
️Markus Waas • 27 квітня 2020 р. •6 хв
An overview of how to use create-eth-app and its features
Calling a smart contract from JavaScript
️jdourlens • 19 квітня 2020 р. •3 хв
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 • 11 квітня 2020 р. •3 хв
How to use a smart contract to interact with a token using the Solidity language
How to use Echidna to test smart contracts
️Trailofbits • 10 квітня 2020 р. •13 хв
How to use Echidna to automatically test smart contracts
Transfers and approval of ERC-20 tokens from a solidity smart contract
️jdourlens • 7 квітня 2020 р. •7 хв
How to use a smart contract to interact with a token using the Solidity language
Interact with other contracts from Solidity
️jdourlens • 5 квітня 2020 р. •4 хв
How to deploy a smart contract from an existing contract and interact with it
Understand the ERC-20 token smart contract
️jdourlens • 5 квітня 2020 р. •5 хв
An introduction to deploying your first smart contract on an Ethereum test network
Deploying your first smart contract
️jdourlens • 3 квітня 2020 р. •4 хв
An introduction to deploying your first smart contract on an Ethereum test network
Logging data from smart contracts with events
️jdourlens • 3 квітня 2020 р. •2 хв
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 • 19 березня 2020 р. •6 хв
How to put tokenized items for sale on a decentralized classifieds board
How to use Manticore to find bugs in smart contracts
️Trailofbits • 13 січня 2020 р. •12 хв
How to use Manticore to automatically find bugs in smart contracts