🆓Gasless Transaction Framework

A transaction execution model that eliminates gas costs by leveraging cryptographic signatures and off-chain relayers.

Introduction

To eliminate gas-related friction, our protocol implements a gasless transaction framework, leveraging cryptographic signatures and off-chain relayers for cost-free user interactions. This framework comprises two core components:

1. EIP-2612 Permit for Gasless Deposits

• We adopt the EIP-2612 standard, enabling users to sign an off-chain permit message using their private key. This permit, compliant with ERC-20 token standards, authorizes token transfers without requiring an on-chain approval transaction, reducing gas costs to zero for the user.

• The signed permit is processed by off-chain relayers, which execute the deposit transaction on-chain, covering gas fees through a subsidized model. This can be expressed as:

$$gas(A) = 0$$

The relayer verifies ( S ) using ( A )'s public key and executes the transfer.

• This mechanism is particularly advantageous for high-frequency traders, as it minimizes entry barriers and enhances user experience.

2. Signature-Based Gasless Actions

• For other critical operations, such as order placement and cancellations, we employ ECDSA signature-based authentication. Users sign an off-chain message that authorizes the transaction, which is then executed on-chain by relayers or bundled with other actions.

• The signature verification process ensures transaction integrity, using the following function:

$$V(S, P) \rightarrow \{True, False\}$$

where:

• ( V ) is the verification function,

• ( S ) is the signature,

• ( P ) is the public key.

If verified, the transaction is executed, maintaining gas costs at zero for the user.

• We use ECDSA encoding to ensure the process cannot retrieve the private key from the signed message in any way.

Key Benefits

• Zero Gas Costs: Users can transact without spending gas fees.

• Improved Security: Transactions are executed only with explicit user consent.

• Enhanced User Experience: Reduces friction, especially for high-frequency traders.

• Efficient Execution: Relayers handle transactions without compromising decentralization.

By integrating this framework, our protocol ensures seamless, gasless transactions while preserving security and decentralization.