Bridge

The Hyperliquid Bridge connects the Hyperliquid L1 and the EVM Arbitrum chain, providing a secure and efficient mechanism for transferring assets between these two ecosystems.

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Key Features 🛡️

• Validator-Secured Bridge:

  • The bridge is secured by the same validator set as the Hyperliquid L1.

  • Deposits and withdrawals require signatures from more than 2/3 of the staking power to ensure security.

• Deposit Process:

  • Deposits to the bridge are signed by validators on the L1.

  • Once validated by 2/3 of the staking power, the deposit is credited on the bridge.

• Withdrawal Process:

  1. Escrow on the L1: Withdrawals are immediately locked on the L1 upon request.

  2. Validator Signatures: Validators sign the withdrawal as separate L1 transactions.

  3. EVM Bridge Interaction: When 2/3 of the staking power signs the withdrawal, an EVM transaction can be sent to the bridge to complete the process.

• Dispute Protection:

  • After a withdrawal is requested, there is a dispute period to detect and block malicious withdrawals that do not match the L1 records.

  • If needed, the bridge can be locked using cold wallet signatures from 2/3 of stake-weighted validators.

• Finalization:

  • After the dispute period, finalization transactions distribute the USDC to the appropriate destination addresses.

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Additional Features

• Validator Management on the Bridge: The bridge maintains an active validator set with their corresponding stake, ensuring synchronization with the Hyperliquid L1.

• No Arbitrum ETH Requirement for Withdrawals:

  • Users do not need to provide Arbitrum ETH for gas fees.

  • Instead, a withdrawal fee of 1 USDC is paid on the L1 to cover validator costs.

• Audited for Security: The bridge logic, in conjunction with L1 staking, has been audited by Zellic.

  • For more details, see the Hyperliquid GitHub repository and the audit reports.