zkSync is a user-centric zk rollup platform from Matter Labs (opens new window). It is a scaling solution for Ethereum, already live on Ethereum mainnet.

Some of the main features of zkSync are:

• Extremely low transaction fees

• Trustless protocol

• Funds are cryptographically secure, as in the Ethereum mainnet

• Users are always in control of their funds

• No requirement for operational activity to keep the funds safe