Visa Deploys First Paymaster Smart Contract on ETH Goerli Testnet

Visa, a prominent player in the payments industry, has taken a significant step in the realm of cryptocurrencies. Cuy Sheffield, the head of crypto at Visa, recently announced on Twitter the deployment of Visa’s first paymaster smart contract on the ETH Goerli testnet. This move underscores Visa’s commitment to research and experimentation with account abstraction and ERC-4337, demonstrating its exploration of blockchain technology and its potential applications.

Visa’s Deployment of Paymaster Smart Contract on ETH Goerli Testnet

Visa’s deployment of the paymaster smart contract on the ETH Goerli testnet marks an exciting development for the company. Cuy Sheffield expressed his enthusiasm for this milestone, highlighting Visa’s ongoing efforts to delve deeper into account abstraction and ERC-4337. The paymaster smart contract represents Visa’s foray into programmable payments and showcases the company’s dedication to leveraging blockchain technology for innovative solutions.

The Significance of Visa’s Paymaster Smart Contract

Raj Parekh, CEO of Portal and previously associated with Visa Crypto, emphasizes the potential impact of a Visa-powered paymaster on ecosystem growth. The introduction of a paymaster system could act as a catalyst, driving adoption and expanding the reach of cryptocurrencies within the financial landscape. Visa’s expertise in payment processing combined with the capabilities of smart contracts holds promising possibilities for seamless and efficient transactions.

Visa’s Experiment with Account Abstraction and ERC-4337

Visa has been actively experimenting with ERC-4337, also known as account abstraction. The company published a report detailing its findings and insights from these experiments. With the implementation of ERC-4337 on the Ethereum mainnet, smart contracts gained the ability to transact on behalf of users, opening up new avenues for automated programmable payments.

Visa’s Published Report on ERC-4337 Experiments

In its report, Visa showcased two prototypes illustrating potential use cases for the paymaster flow. The first prototype focused on using the paymaster to facilitate transactions involving ERC20 tokens for paying gas fees. The second prototype explored the concept of covering gas fees entirely for a transaction.

Visa deployed experimental Visa Paymaster contracts on Ethereum’s Goerli Testnet to validate these use cases. One of the experiments involved paying with ERC-20 tokens using the ERC-4337 Paymaster, investigating the possibility of users utilizing alternative tokens, such as stablecoins or even Central Bank Digital Currencies (CBDCs), to pay transaction fees.

Another experiment involved a Visa Paymaster contract that fully sponsored transaction fees, effectively eliminating the need for users to bear these costs. By conducting these experiments, Visa aims to uncover creative solutions for addressing transaction fees within the current account abstraction paradigm on Ethereum.

Use Cases of Visa’s Paymaster Flow

Visa’s paymaster flow showcases the potential applications of smart contracts in payment processing. The first use case involves users paying transaction fees with ERC-20 tokens, introducing flexibility and choice in fee payment options. This use case explores the possibility of using stablecoins or even CBDCs as alternative tokens for transaction fees.

The second use case revolves around the sponsorship of transaction fees. Visa’s Paymaster contract fully covers the gas fees, relieving users of the burden of paying for each transaction. This approach simplifies the user experience and removes a potential barrier to entry for newcomers to the crypto space.

Visa’s Experiment with Account Abstraction and Transaction Fees

Visa’s experiment with account abstraction and transaction fees aims to explore innovative solutions within the Ethereum ecosystem. The company seeks to determine whether users can pay Ethereum transaction fees with stablecoins or other ERC-20 tokens, or potentially eliminate the need for transaction fees altogether.

By conducting these experiments, Visa demonstrates its commitment to understanding the practical implications of account abstraction and its potential impact on transaction fees. The findings from these experiments can contribute to the ongoing development of Ethereum and promote wider adoption of cryptocurrencies.

Visa’s Goal of Mainstream Crypto Adoption

Visa’s active involvement in blockchain technology and its experiments with account abstraction and transaction fees align with the company’s overarching goal of driving mainstream crypto adoption. By exploring the possibilities of programmable payments and smart contracts, Visa aims to create an environment that is conducive to the seamless integration of cryptocurrencies into everyday financial transactions.

Visa recognizes the transformative potential of blockchain technology and its ability to revolutionize the payments industry. Through its research and experimentation, the company aims to build the necessary infrastructure and partnerships to facilitate the widespread use of cryptocurrencies, ultimately bridging the gap between traditional finance and the digital asset ecosystem.


Visa’s deployment of the first paymaster smart contract on the ETH Goerli testnet signifies a significant milestone in the company’s exploration of blockchain technology. By experimenting with account abstraction and ERC-4337, Visa showcases its commitment to driving innovation in the realm of programmable payments. Through the publication of its experiment findings, Visa shares insights into the potential use cases of paymaster contracts and the role they can play in revolutionizing transaction fees. By seeking creative solutions to payment challenges and fostering mainstream crypto adoption, Visa aims to shape the future of finance and position itself as a leader in the cryptocurrency space.

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