❓FAQ

Q: What is zkHub?

A: zkHub is a non-custodial trading platform built across Ethereum and Ethereum ZK-Rollups, such as zkSync, Linea, and Scroll, among others). Powered by zkLink Nexus, zkHub offers a high-performance CLOB with multi-chain native asset support, deep liquidity, low fees, and maximum security.

Q: How is zkHub different from other DEX on the market

A: zkHub differentiates itself by offering traders a multi-chain native asset trading experience with a self-custodial account. In addition, zkHub is powered by zkLink Nexus, which allows zkHub to inherit Ethereum’s security to ensure the safety of user assets.

Q: How does zkHub ensure my funds are safe?

A: First, all transaction and trading operations involving balance changes will be finalized on Ethereum (Ethereum as the settlement layer). In particular, each step undergoes correctness verification through smart contracts by using zero-knowledge proofs (ZKPs), thereby guaranteeing the correctness of zkHub’s off-chain states. This process is what secures user assets on zkHub, thus making it impossible for anyone other than the user itself to manipulate them.

Q: What is the average time of withdrawals and deposits?

A: On average, the deposit processing time is less than one minute. However, deposits from Ethereum may experience a slightly delayed processing period. For withdrawals, standard withdrawals are typically completed within 24 hours, while fast withdrawals are instantaneous.

Q: What are the fees for zkHub? Where are they accumulated?

A: When trading on zkHub, the maker fees will be 0.05% and the taker fees will be 0.1%. The majority of these fees are distributed back to ZKH token stakers. For further details, please refer to this documentation.

Q: Are you charging any fees on withdrawals or deposits?

A: zkHub does not charge any additional fees on processing withdrawals or deposits. However, as withdrawals involve on-chain transactions, zkHub will charge the potential gas costs involved. Moreover, fast withdrawals incur an extra fee charged by the broker fee for the services they provide. For further details, please refer here.

Q: Do I pay gas for trades?

A: No, you do not. Creating orders, canceling orders, and filling orders incur no gas fees.