Web3 University - Search

🛠️ We partnered with Alchemy to bring you a FREE Ethereum Developer Bootcamp! Get started here 🛠️

Submitted!

✓

Oops! Something went wrong while submitting the form.

Results

NFTs

Solidity

How to Airdrop NFTs

Engineer at Alchemy

Ethereum

How to Verify a Message Signature on Ethereum

Engineer At Alchemy

DeFi

How to Get Token Balance for an Address

DevRel @ Alchemy

Ethereum

Solana

Polygon

Choosing a Web3 Network

Polygon

Solidity

How to Code and Deploy a Polygon Smart Contract

DevRel at Alchemy

NFTs

How to Mint an NFT from Code

Ethereum

How to Send Transactions on Ethereum

Solidity

What are Payable Functions in Solidity?

dApps

What is create-web3-dapp?

Ethereum

NFTs

How to Create an NFT on Ethereum Tutorial

Polygon

Ethereum

DeFi

How to Get All Tokens Owned by an Address

NFTs

How to Get All NFTs Owned by an Address

DevRel at Alchemy

Ethereum

How to Add Alchemy RPC Endpoints to Metamask

DevRel at Alchemy

dApps

How to Add Arbitrum to Metamask

Solidity

Ethereum

Solidity Data Types: Signed (int) and Unsigned Integers (uint)

Engineer at Alchemy

Solidity

Ethereum

What is the Solidity ABI (Application Binary Interface)?

Ethereum

Polygon

Solidity

What is an RPC node?

DevRel at Alchemy

Ethereum

dApps

Goerli vs. Sepolia Testnet Comparison: Which is better?

Solidity

Ethereum

dApps

Ethereum's Ropsten Testnet: A Complete Guide

Solidity

dApps

What is a multi-party computation (MPC) wallet?

Vittorio Rivabella

Polygon

dApps

How to Get Testnet MATIC Using a Mumbai Faucet on Polygon

Ethereum

dApps

How to Get Sepolia ETH from a Faucet

DevRel at Alchemy

Polygon

dApps

Polygon’s Mumbai Testnet: A Complete Guide

The Future of DAOs: Building Out The Organizational Primitives of web3

Georgios Gontikas

Writer at ChainSafe

Solidity

How to Verify a Signed Message in Solidity

Dev at Chainsafe

20+ Blockchain Development Tools

Emmanuel Awosika

Technical Writer

Ethereum

A Developer's Guide To Ethereum Scaling Solutions

Emmanuel Awosika

Technical Writer

Ethereum

The Ethereum Merge

Ethereum

Ethereum Sidechains vs Layer 2s: What’s the Difference?

Ethereum

Ethereum Sharding: An Introduction to Blockchain Sharding

Tutorials

3 Ways to Safely Design Utility Tokens

Founder at Evita

Solidity

Tutorials

NFTs

Leveraging OpenZeppelin Contracts and Defender to Build Secure Multisig-Owned NFTs

Stephen Lloyd Webber

Developer Advocate at OpenZeppelin

Solidity

Ethereum

A Developer's Guide To Securing Ethereum Smart Contracts

DAOs

The 8 Most Important Types of DAOs You Need to Know

Writer at Alchemy

NFTs

How to Build a Successful NFT Project

Writer at Alchemy

A Developer's Guide to the Web3 Stack

DevRel @ Alchemy

How to start a DAO

Writer at Alchemy

Announcements

Web3 University: Season 0 Recap

Dev Education at Web3U

Tutorials

Alchemy

Intro to Legal in Web3

Founder at Evita

Solidity

How to Interact with Smart Contracts

Web3 Developer and Author

Alchemy

DAOs

The Pros and Cons of Building a DAO

Writer at Alchemy

Solidity

Upgrading smart contracts with Openzeppelin Upgradable Plugin

Tanadol Sirichantakul

Laika Blockchain Lab

Tutorials

Ethereum

dApps

How to Build a React Dapp with Hardhat and MetaMask

Tutorials

Polygon

NFTs

How to find the next big NFT drops on Polygon?

DevRel @ Alchemy

NFTs

The Past, Present, and Future of NFTs

Writer at Alchemy

Tutorials

BSC

Learn BSC Programming (Binance Smart Chain)

Product Manager

Ethereum

Solidity

How to Deploy Your Own ERC-20 Token

Your Complete Guide to Web3 Development

Dev Education at Web3U

Flow

Learn Cadence - Fungible Token Smart Contracts on Flow

DevRel at Dapper Labs

Flow

Learn Cadence - Hello World on Flow - an instructional on coding language of Flow Blockchain!

DevRel at Dapper Labs

Ethereum

Solidity

Building a Decentralized Twitter Clone

Techmaker Studio

Solidity

Polygon

How to Get Price Data from Quickswap with Javascript

Techmaker Studio

Ethereum

Solidity

How to Develop a Cryptocurrency - The Complete Guide

Vittorio Rivabella

Announcements

Announcing Web3 University: Empowering Blockchain Developers

Dev Education at Web3U

Ethereum

NFTs

Solidity

How to make NFT Art with On-Chain Metadata

Patrick Collins

DevRel at ChainLink

Ethereum

NFTs

Flavours of On-Chain SVG NFTs on Ethereum

Simon de la Rouviere

Founder at Untitled Frontier

Solana

The Complete Guide to Full Stack Solana Development

DevRel at The Graph

Ethereum

Building a Web3 Authentication Flow

DevRel at The Graph

Ethereum

dApps

Build a Web3 Frontend with React

Solidity

Ethereum

dApps

Build a BuyMeACoffee DApp

Olubisi Idris Ayinde

Software Developer

Solidity

Ethereum

Solidity by Example

Smart Contract Engineer

Ethereum

Solidity

Clean Contracts - A Guide on Smart Contract Patterns & Practices

Wesley van Heije

Builder at TokenLog

Ethereum

NFTs

A Guide to Designing Effective NFT Launches

Research Collaborator at Paradigm

Ethereum

dApps

The Architecture of a Web3 Application

Preethi Kasireddy

Instructor at DAppCamp

Solana

dApps

Tutorials

Create a Solana DApp from Scratch

Software Engineer

Ethereum

How to Become a Blockchain Engineer

Patrick Collins

DevRel at ChainLink

Ethereum

Solidity

dApps

The Complete Guide to Full Stack Ethereum Development

DevRel at The Graph

Ethereum

Solidity

Solidity Smart Contract Course - Beginner to Expert Python Tutorial

Patrick Collins

DevRel at ChainLink

Solidity

Ethereum

NFTs

Scaffold-Ethereum Challenges

Austin Griffith

Ethereum Foundation

Tutorials

Ethereum

dApps

Building a dApp with Real-Time Transaction Notifications

DevRel at Alchemy

Ethereum

Solidity

DeFi

Build a Minimum Viable DeFi Exchange

Austin Griffith

Ethereum Foundation

Ethereum

NFTs

Your Guide to ERC-1155: Comparing ERC-721 to ERC-1155

Dev Education at Web3U

Ethereum

How Does Ethereum Work, Anyways?

Preethi Kasireddy

Instructor at DAppCamp

Tutorials

Ethereum

How to Get Faster and More Reliable MetaMask Transactions

DevRel at Alchemy

Alchemy

Ethereum

Solidity

Submitting Your First Smart Contract to Etherscan

Engineer at Alchemy

NFTs

Ethereum

Alchemy

Why NFTs are more than just JPEGs

Writer at Alchemy

Tutorials

Ethereum

Solidity

Interacting With Your First Smart Contract

DevRel at Alchemy

Tutorials

Ethereum

Solidity

Integrating Your First Smart Contract with a Frontend

Engineer at Alchemy

Ethereum

Tutorials

dApps

Integrating Historical Transaction Data into your dApp

DevRel @ Alchemy

NFTs

Tutorials

Ethereum

How to Set a Price on an NFT

DevRel @ Alchemy

Solidity

Ethereum

Tutorials

"Hello, World": Writing Your First Smart Contract

DevRel at Alchemy

Ethereum

Flow

How to Use Alchemy’s Application Monitoring Tools

Dev Education at Web3U

Tutorials

Ethereum

How to Debug Pending Ethereum Transactions

NFTs

Tutorials

Solidity

How to Create an NFT

Engineer at Alchemy

NFTs

Ethereum

Flow

Ethereum vs. Flow: Deciding on The Right Blockchain for Your NFT Project

NFTs

Tutorials

Solidity

NFT Minter Tutorial: How to Create a Full Stack DApp

Engineer at Alchemy

NFTs

Tutorials

How to View Your NFT in Your Mobile Wallet

Engineer at Alchemy

NFTs

Tutorials

Ethereum

How to Mint an NFT with Ethers.js

Engineer at Alchemy

NFTs

Tutorials

Ethereum

How to Mint an NFT Using Web3.js

Engineer at Alchemy

Ethereum

The Developer EIP-1559 Prep Kit

Ethereum

Getting Ready for Ethereum’s Berlin Hard Fork

Ethereum

Secure Your Nodes: Migrating From Parity To Geth

Engineer At Alchemy

Latest Posts

How to Deploy a Smart Contract to the Sepolia Testnet

Learn how to deploy smart contracts to the Sepolia testnet, the preferred Ethereum blockchain for testing decentralized applications.

The 12 Best Blockchain Node Providers in Web3 (2023)

Explore the Best Blockchain Node Infrastructure Companies in Web3

RECOMMENDED POSTS

How to Airdrop NFTs

Learn how to airdrop NFTs using both on-chain and off-chain implementations

How to Verify a Message Signature on Ethereum

This tutorial will teach you how to sign and verify a message signature using Web3.js and Ethers.js

How to Get Token Balance for an Address

Learn how to get the balance of a single token being held by a specific contract address.

Choosing a Web3 Network

A detailed guide to choosing which Network to deploy on for Ethereum and Layer 2s. Compares Layer 1 chains vs Layer 2 chains as well as Mainnet vs Testnet environments

How to Code and Deploy a Polygon Smart Contract

This is a step-by-step introductory tutorial that will teach you how to build and interact with a smart contract on the Polygon EVM-based sidechain. It's a great way to get started learning Solidity!

How to Mint an NFT from Code

This tutorial describes how to mint an NFT using the ethers library, and the smart contract from Part I: How to Create an NFT.

How to Send Transactions on Ethereum

This is a beginner's guide for sending Ethereum transactions in web3

What are Payable Functions in Solidity?

Learn about payable functions in Solidity, their importance in handling Ether deposits, and how to create and use them in smart contracts.

What is create-web3-dapp?

Overview for understanding the groundbreaking developer tool for code templates and web3 starter code: create-web3-dapp.

How to Create an NFT on Ethereum Tutorial

This tutorial will walk you through writing and deploying a Non Fungible (ERC721) Token smart contract using Ethereum and Inter Planetary File System (IPFS).

How to Get All Tokens Owned by an Address

Learn how to get balances of all tokens owned by an address using the Alchemy Token API.

How to Get All NFTs Owned by an Address

Learn how to get all NFTs (and their metadata) owned by an address using the Alchemy NFT API.

How to Add Alchemy RPC Endpoints to Metamask

Follow this guide if you're looking for an Infura alternative for Metamask.

How to Add Arbitrum to Metamask

This section will include ways to add Arbitrum Mainnet and Testnet as your custom MetaMask RPC node.

Solidity Data Types: Signed (int) and Unsigned Integers (uint)

Learn about Solidity data types and how to use common types such as int and uint.

What is the Solidity ABI (Application Binary Interface)?

Everything You Need to Know About Solidity's Application Binary Interface (ABI)

What is an RPC node?

Everything You Need to Know About RPC Nodes for Building in Web3

Goerli vs. Sepolia Testnet Comparison: Which is better?

Goerli vs. Sepolia Comparison: Which testnet should I choose?

Ethereum's Ropsten Testnet: A Complete Guide

Ethereum's Ropsten Testnet: A Complete Guide

What is a multi-party computation (MPC) wallet?

What is a multi-party computation (MPC) wallet?

Vittorio Rivabella

How to Get Testnet MATIC Using a Mumbai Faucet on Polygon

How to Get Testnet MATIC Using a Mumbai Faucet on Polygon

How to Get Sepolia ETH from a Faucet

How to Get Sepolia ETH from a Faucet in 60 Seconds

Polygon’s Mumbai Testnet: A Complete Guide

A Complete Guide to the Mumbai TestnetA Complete Guide to the Mumbai Testnet

The Future of DAOs: Building Out The Organizational Primitives of web3

Georgios Gontikas

How to Verify a Signed Message in Solidity

20+ Blockchain Development Tools

Emmanuel Awosika

A Developer's Guide To Ethereum Scaling Solutions

Emmanuel Awosika

The Ethereum Merge

Ethereum Sidechains vs Layer 2s: What’s the Difference?

Ethereum Sharding: An Introduction to Blockchain Sharding

3 Ways to Safely Design Utility Tokens

Leveraging OpenZeppelin Contracts and Defender to Build Secure Multisig-Owned NFTs

Stephen Lloyd Webber

A Developer's Guide To Securing Ethereum Smart Contracts

The 8 Most Important Types of DAOs You Need to Know

How to Build a Successful NFT Project

A Developer's Guide to the Web3 Stack

How to start a DAO

Web3 University: Season 0 Recap

Intro to Legal in Web3

How to Interact with Smart Contracts

The Pros and Cons of Building a DAO

What exactly is a decentralized autonomous organization? Is it the next big thing in crypto? We break down everything you need to know.

Upgrading smart contracts with Openzeppelin Upgradable Plugin

Tanadol Sirichantakul

How to Build a React Dapp with Hardhat and MetaMask

How to find the next big NFT drops on Polygon?

The Past, Present, and Future of NFTs

Are NFTs a fad? Where did it all begin? Learn everything you need to know about NFTs in this ultimate guide.

Learn BSC Programming (Binance Smart Chain)

How to Deploy Your Own ERC-20 Token

Tutorial for deploying your own ERC-20 token on Rinkeby

Your Complete Guide to Web3 Development

Learn Cadence - Fungible Token Smart Contracts on Flow

Learn Cadence - Hello World on Flow - an instructional on coding language of Flow Blockchain!