Welcome to zkSync Era docs!
Guides, technical reference, and tutorials for building on zkSync Era.

Protocol upgrade

In the upcoming protocol upgrade scheduled for August-September 2023, there will be modifications to how certain block properties are implemented on zkSync Era. Find more details in the announcement on GitHub.

Getting started

Build a smart contract app with zkSync Era.

Era vs Ethereum

Differences between zkSync Era and Ethereum.

Hyperscaling

Scaling Ethereum beyond Era with hyperchains and ZK Stack.

Developer Tools

Tools overview

Browse the most popular tools to build on zkSync Era.

zksync-cli

A command-line tool to build and interact with zkSync Era.

Hardhat Plugins

Explore Hardhat plugins for your Solidity and Vyper apps.

Tutorials

Cross-chain vote

Use L1-L2 messages to cast a vote from Ethereum to zkSync Era.

Multisig with AA

Learn how to create a native multisig smart account on zkSync Era.

Custom Paymaster

Build your own paymaster to pay gas fees with ERC20 tokens.

Other Tools

zkSync Era Portal

Bridge, deposit, and withdraw ERC20 tokens.

Block Explorer

Interact with zkSync Era blockchain.