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Add zkSync to MetaMask

Add zkSync to MetaMask

Adrian Graham
Fact Checked
Feb 3, 2023

In this guide, we outline the safest and easiest way to add the zkSync Ethereum Layer 2 network to your MetaMask Wallet.

Connect your MetaMask to the zkSync V2 Testnet in minutes with the verified RPC details outlined below. We will update this guide when the zkSync Alpha Mainnet is live.

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Audited Proof of Reserves
Audited Proof of Reserves

Can I add zkSync to MetaMask?

Yes, the zkSync rollup is compatible with Ethereum and the Ethereum Virtual Machine (EVM) which means it is supported by MetaMask. ZK Sync is a Layer 2 solution for scaling the Ethereum network. zkSync uses zero-knowledge proofs to allow users to transfer ETH and ERC20 tokens without needing to wait for on-chain confirmations.

How to add zkSync to MetaMask

To add the zkSync Layer 2 network to your MetaMask account, please follow the steps outlined below that contain the verified RPC details.

  1. Download the MetaMask browser extension.
  2. Go on your MetaMask wallet and select the 'Add Networks' button.
  3. Copy and paste the verified zkSync RPC details onto this page (find details below).
  4. Once you input these details and select 'Save' you will be connected to the zkSync Network.
add zksync metamask
Adding zkSync RPC details to Metamask.

zKSync RPC Details

The RPC details for zkSync Alpha Testnet Network for MetaMask:

  • Network Name: zkSync alpha testnet
  • New RPC URL: https://zksync2-testnet.zksync.dev
  • Chain ID: 280
  • Currency Symbol(Optional): ETH
  • Block Explorer URL(Optional): https://zksync2-testnet.zkscan.io/

What is zkSync?

ZkSync is a Layer 2 solution for scaling the Ethereum network. zkSync uses zero-knowledge proofs to allow users to transfer ETH and ERC20 tokens without needing to wait for on-chain confirmations.  Zero-knowledge proofs are a way of proving something is true without revealing any additional information beyond what is being proven.

zkSync

For example, a user could prove they own a certain token without revealing their balance. This is possible because zkSync breaks up transactions into small "chunks" called ultraviolet rays (UVRs). These UVRs are then bundled together and only the final result is published on-chain.

If you want to learn more about the zkSync wallet, read our extended MetaMask Review.

Final Thoughts

Adding zkSync to MetaMask is a great way to take advantage of the scalability and privacy features available on Layer 2. With zkSync, users can complete transactions much faster than with regular ETH transfers and without revealing their transaction details or balances. Many Ethereum projects are now building products on top of zkSync and it's becoming an increasingly popular platform for dApps and DeFi applications.

Adrian Graham

Co-Founder & former banker turned Full-Time DeFi analyst and researcher. Left traditional finance to pursue my interest in digital assets and decentralized finance.

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