<aside> 📜 TABLE OF CONTENTS

• Introduction
• Getting Started
• For Users
• For Sponsors
• Backend API Reference
• Smart Contract Details
• Support and Contact </aside>

Introduction 👋

Welcome to XFUEL Documentation!

What is XFUEL?

XFUEL is a gas-pump solution designed to make transactions on the CrossFi blockchain seamless and gas-free for end users. It enables sponsors to subsidize transaction fees, allowing users to perform transactions without worrying about gas costs. XFUEL integrates cutting-edge blockchain technologies like EIP-2612 to offer off-chain approvals and gasless transactions, making it a highly efficient and user-friendly tool for decentralized applications (DApps).

Key Features

1. Gas-Free Transactions: Users can execute transactions without paying gas fees, thanks to sponsorship pools.
2. Token Registration: Sponsors can onboard new tokens through a simple registration process, supporting EIP-2612-compliant contracts.
3. Sponsor Management: Sponsors can set spending limits, monitor usage, and manage gas fee subsidy pools through an intuitive interface.
4. User-Friendly Integration:
   1. Easy-to-use interface for users to send tokens.
   2. API integration for DApps to utilize XFUEL’s gasless functionality directly.
5. Secure and Transparent: Leverages signature-based verification and blockchain transparency for secure and efficient operations.

Supported Networks

XFUEL is built specifically for the CrossFi blockchain, an innovative network combining the features of EVM and Cosmos chains. Supported networks include:

• CrossFi Testnet (ID: 4157)
• CrossFi Mainnet (ID: 4158)

Target Audience

• End Users: Individuals transacting on CrossFi who want to avoid the complexity of managing gas fees.
• DApp Developers: Teams looking to integrate a gasless solution into their applications on the CrossFi chain.
• Sponsors: Organizations or individuals willing to subsidize gas fees for specific tokens or user groups, promoting adoption and user retention.

Use Cases

1. User-Friendly Onboarding: Simplify onboarding for new blockchain users by eliminating the need to purchase native tokens for gas.
2. DApp Promotion: DApps can offer a gasless experience to enhance user engagement and loyalty.
3. Token Ecosystem Growth: Token issuers can sponsor gas fees to incentivize transactions and drive adoption.
4. Microtransactions: Enable efficient execution of small-value transactions that would otherwise be cost-prohibitive due to gas fees.

Contacting Support

If you encounter any issues or have questions not covered in this documentation, our dedicated support team is here to assist you. Contact us at https://t.me/xfuelgasless

XFUEL is designed to make blockchain transactions effortless, fostering adoption and innovation in the CrossFi ecosystem.

Explore More Sections

Getting Started

For Users

For Sponsors

Backend API Reference

Smart Contract Details

Support and Contact