Hero background

Guides and Overviews

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

AllBlockchainDeFiEthereumInfraRollupsSolanaSolidityTechnicalTestnetsWalletsWeb3
Starknet logo

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
Overview post cover image

What is the Superchain? A Deep Dive Into OP Stack Rollups

RollupsApril 18, 2025
Customize your appchain or rollup for deployment with Alchemy RaaS

What Are Rollups-as-a-Service and Appchains?

RollupsApril 7, 2025
Overview post cover image

Rollup-as-a-Service Provider Comparison: How to Choose the Right RaaS Partner

RollupsJune 13, 2024
A graph of zkSync Era TVL

What is ZKsync Era? An Overview For Ethereum Developers

RollupsMay 9, 2024
Overview post cover image

What are Rollups-as-a-service (RaaS)?

RollupsAugust 23, 2023
The architecture of an optimistic rollup 

How Do Optimistic Rollups Work (The Complete Guide)

RollupsAugust 9, 2023
How Arbitrum works

How to Start Developing on Arbitrum

RollupsOctober 19, 2022
The data in green, as well as the batch depicted above, are sufficient to verify a post-state root. (Source: Vitalik's Blog)

Validity (ZK) Proofs vs. Fraud Proofs

RollupsOctober 19, 2022
Layer 2 block chains are on top of an existing blockchain and are designed to help scale the Layer 1 chain.

What is the Optimistic Virtual Machine (OVM)?

RollupsJuly 1, 2022
A diagram showing how programs are executed in the Ethereum Virtual Machine (EVM).

What is a zkEVM?

RollupsJune 21, 2022
Arbitrum Unique Addresses Chart

Arbitrum Statistics (2022)

RollupsJune 2, 2022
Source: Polygon

Polygon ZK Rollups: Everything You Need to Know

RollupsMay 18, 2022

What builders read weekly

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

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