zkSync is a layer 2 solution for Ethereum that utilizes zero-knowledge proofs to enable fast, low-cost transactions. It achieves this by processing transactions off-chain and periodically submitting proofs to the Ethereum mainnet.

Native asset

• ETH

Supported Networks & Block explorer URL 

• Mainnet 
  • Block explorer URL: https://explorer.zksync.io/ 
• Testnet 
  • Block explorer URL: https://sepolia.explorer.zksync.io/ 

Supported functionality on Fireblocks

• Custody
• Transfers