> For the complete documentation index, see [llms.txt](https://docs.viewfi.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.viewfi.io/features/web3-reward-solutions/gasless-transactions.md).

# Gasless Transactions

Improve user experience and onboarding with covering the gas for users

**Introduction**: The platform offers a unique feature for Web3 campaigns that allows clients to choose between gas-less transactions and regular transactions. This document provides an overview of how gas-less transactions work and how to set them up in your campaign.

<figure><img src="https://1941361103-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Ffqex03H0w2V2ot4xD5Yz%2Fuploads%2FQHFaD6UmtuwgkZAmfo2Z%2Fcreate%20campaign%204%20-%20Set%20up%20your%20campaign%20copy.png?alt=media&amp;token=4c7cfa13-ffda-4417-a8ff-9d00b8fc4028" alt=""><figcaption></figcaption></figure>

Gas-less vs. Regular Transactions: When creating a campaign on our dashboard, you will be asked in the settings whether you would like the campaign to be gas-less or regular.

* Gas-less Transactions: In this mode, you, as the client, pay for the end user's gas fee. This means that the end user can participate in your campaign without incurring any gas costs.
* Regular Transactions: In this mode, the end user pays for their own gas fee when participating in your campaign.

How Gas-less Transactions Work: Gas-less transactions are made possible through the use of EIP-712 signature verification. Here's a step-by-step explanation of how it works:

1. Off-chain Signing:
   * The end user signs a minting request off-chain using their wallet.
   * The minting request contains details such as the recipient's address, the amount of the NFT to mint, a unique nonce, and any additional data required for minting.
   * The signed request is then sent to our platform.
2. On-chain Verification:
   * Our smart contract receives the signed minting request and the user's signature.
   * The contract verifies the authenticity of the signed message using EIP-712 typed data signing standards.
   * It ensures that the signature comes from an authorized user and adheres to the contract's minting requirements.
3. Gas-less Minting:
   * If the signature is valid and the minting request is authorized, the contract proceeds with the minting process.
   * The NFT is minted and assigned to the specified recipient's address.
   * The gas fees for the minting transaction are paid by you, the client, rather than the end user.
4. Security and Integrity:
   * The smart contract enforces minting permissions, reentrancy protection, and contract pause state checks.
   * These measures ensure the integrity and control over the minting operation, preventing unauthorized actions.

Setting Up Gasless Transactions: To enable gas-less transactions for your Web3 campaign, follow these steps:

1. Create a new campaign on our dashboard.
2. In the campaign settings, select the option for gas-less transactions.

End User Experience: When participating in a gas-less campaign, end users will:

1. Sign the minting request off-chain using their wallet.
2. Submit the signed request to our platform.
3. Receive the minted NFT without incurring any gas fees.

**Conclusion**: Gas-less transactions provide a convenient and cost-effective way for end users to participate in your Web3 campaigns. By leveraging EIP-712 signature verification, our platform ensures a secure and efficient minting process while allowing you to cover the gas fees on behalf of your users. If you have any further questions or need assistance setting up gas-less transactions for your campaign, please contact our support team.