Hero background

Guides and Overviews

Learn about core web3 development concepts including Ethereum, layer 2s, testnets, blockchain developer tools and more!

AllBlockchainDeFiEthereumInfraRollupsSolanaSolidityTechnicalTestnetsWalletsWeb3
account abstraction

What is ERC-4337?

WalletsJanuary 6, 2026
A lock with "MEV" on it

What is Maximum Extractable Value and MEV Protection?

BlockchainJanuary 5, 2026
A visualization of the virtual machine

What Is the Solana Virtual Machine (SVM) and How Does It Work?

SolanaDecember 18, 2025
An abstract image of blockchains and IDE logos

The 6 Best Solidity IDEs for Developers (2026)

SolidityDecember 3, 2025
A graphic showing a magnifying glass looking at block data

What Is a Blockchain Indexer?

InfraDecember 2, 2025
An abstract graphic of AI agents

What Are DeFi AI Agents? A Developer’s Handbook

DeFiNovember 26, 2025
A graphic showing a series of locks

A Practical Guide to Permissioned vs. Permissionless Blockchains

InfraNovember 24, 2025
A graphic showing a gas station

Solidity Gas Optimization: 12 Techniques to Make Your Smart Contracts Cheaper and More Efficient

SolidityNovember 19, 2025
An abstract shield demonstrating code security

12 Solidity Smart Contract Security Best Practices

SolidityNovember 13, 2025
A guide for non crypto natives on wallets

Guide for Non-Crypto Natives on Choosing Smart Wallet Infrastructure

WalletsNovember 12, 2025
Best Solana Wallets

The 13 Best Solana Wallets (2025)

SolanaNovember 5, 2025
web3 authentication

A Guide to Web3 Authentication

WalletsOctober 29, 2025
2 blockchains stacked on top of each other

What Are Layer 2 Blockchains?

BlockchainOctober 7, 2025
A list of the top web3 programming languages

Best Web3 Programming Languages in 2025

TechnicalSeptember 30, 2025
The complete developer guide to MPC wallets

What Is a Multi-Party Computation (MPC) Wallet? The Complete Developer Guide

WalletsSeptember 25, 2025
solana rpc provider

Top 9 Solana RPC Node Providers (2025)

SolanaSeptember 24, 2025
Who are the best service providers in crypto?

Who Are the Top Blockchain Service Providers?

InfraSeptember 24, 2025
What are the best blockchain APIs?

The Best Blockchain APIs for Building Onchain Applications in 2025

InfraSeptember 17, 2025
Alchemy vs Quicknode, on a race track

Alchemy vs. Quicknode: Web3 Node Provider Comparison in 2025

InfraSeptember 10, 2025
Top 5 security strategies for DeFi Wallets

Top 5 Security Strategies for DeFi Wallets in 2025

DeFiSeptember 5, 2025
The ultimate guide to embedded wallets with social login

The Ultimate Guide to Embedded Wallets With Social Login

WalletsAugust 29, 2025
Cross-chain bridges

What Are Cross-Chain Bridges?

InfraAugust 18, 2025
Background image

ZK-Rollup Projects: A Complete Guide

RollupsMay 20, 2025
Overview post cover image

What is a ZK Rollup? A Complete Guide to Zero-Knowledge and Rollups-as-a-Service (RaaS)

RollupsMay 20, 2025

What builders read weekly

Get the latest insights, tutorials, and products powering top teams onchain.

Sign up for our newsletter

Get the latest product updates and resources from Alchemy

A
O
D
+
Over 80,000 subscribers

By entering your email address, you agree to receive our marketing communications and product updates. You acknowledge that Alchemy processes the information we receive in accordance with our Privacy Notice. You can unsubscribe anytime.

Desktop section background image

Build blockchain magic

Alchemy combines the most powerful web3 developer products and tools with resources, community and legendary support.

Get your API key