South Korea’s Gwangju Bank and fintech company Toss have successfully tested a stablecoin QR payment system, marking another step toward integrating blockchain-based transactions into everyday banking and retail payments.
South Korea is making progress in digital payment innovation as Gwangju Bank and fintech platform Toss successfully complete a trial involving stablecoin payments through QR codes.
According to an October 8, 2026, report from Yonhap News, the two companies conducted a proof of concept (PoC) connecting Gwangju Bank’s mobile banking application, the Toss payment app, and Toss Place merchant terminals.
The test demonstrated how customers could use stablecoins to complete purchases by scanning QR codes at participating merchant terminals.
Instead of relying entirely on traditional payment processing systems, the technology enables digital assets to move between customer and merchant wallets.
The development comes as South Korean banks and financial technology companies explore blockchain-based payment services while regulators prepare new legislation for the digital asset industry.
Gwangju Bank and Toss Complete Stablecoin QR Payment Trial
Gwangju Bank and Toss have successfully verified the technical infrastructure needed to support QR code payments using stablecoins.
The trial focused on connecting existing banking applications with blockchain-based payment functionality.
Through the system, customers can begin transactions using Gwangju Bank’s mobile banking app before completing payments through Toss.
Toss Place merchant terminals generate QR codes that customers scan to authorize transactions.
The process is designed to make stablecoin payments more convenient for everyday purchases.
By combining established mobile banking services with digital wallet technology, both companies are exploring how blockchain payments could operate within familiar financial applications.
The successful trial confirms that the participating applications and merchant terminals can communicate and process the tested payment flow.
However, the companies have not announced a commercial launch date or confirmed when customers might gain access to the service.
How the Stablecoin QR Payment System Works
The payment process developed by Gwangju Bank and Toss follows a straightforward series of steps.
First, customers open the Gwangju Bank mobile application and select the stablecoin payment option.
The banking application then redirects them to the QR code scanning interface within Toss.
At the checkout counter, the merchant displays a QR code using a Toss Place payment terminal.
Customers scan the code, review the payment amount, and approve the transaction.
Once authorized, the stablecoins are transferred directly from the customer’s digital wallet to the merchant’s wallet.
Customers can then return to the Gwangju Bank application to review the payment result.
The system demonstrates how blockchain transactions can be integrated into existing mobile banking experiences without requiring customers to navigate separate, complicated cryptocurrency payment procedures.
However, the initial trial focused on technical functionality rather than a full commercial rollout.
The companies have not disclosed which stablecoin would be used in a future public version of the service.
Gwangju Bank and Toss Plan a Second Stablecoin Payment Test
Following the successful proof of concept, Gwangju Bank and Toss are preparing another round of testing.
The second trial will focus on improving the customer experience by reducing the number of steps required to complete a stablecoin payment.
Both companies want to make the process faster and more convenient for users making everyday purchases.
They are also discussing additional testing with merchants operating in South Korea’s Gwangju and Jeonnam regions.
These tests could help determine how the payment system performs in real-world retail environments.
However, no official date has been announced for the next phase.
Gwangju Bank Vice President Byun Mi-kyung said the project helped establish a technical foundation for responding to developments in digital asset payments.
She also highlighted the importance of evaluating the service from the customer’s perspective.
The bank’s approach suggests that usability and integration with existing financial services will remain important considerations as the technology develops.
Toss Expands Its Stablecoin Payment Partnerships
The collaboration with Gwangju Bank is not Toss’s first involvement in blockchain-based payment technology.
The South Korean fintech company has been exploring several partnerships aimed at improving stablecoin payments, settlement systems, and digital financial infrastructure.
In July 2026, Toss partnered with Optimism and Sunnyside Labs to examine blockchain infrastructure for won-denominated stablecoins.
The three-month technology verification project focused on payment settlement, privacy protection, and regulatory compliance.
The initiative used Optimism’s OP Stack alongside Sunnyside Labs’ Privacy Boost technology.
The companies aimed to evaluate whether blockchain infrastructure could support financial transactions while meeting the security and compliance requirements expected of institutional payment platforms.
Although the collaboration represented progress in research and development, it did not introduce a commercial stablecoin payment service.
Circle and Toss Explore USDC Payment Services
Toss has also been working with stablecoin issuer Circle to explore new digital payment opportunities.
In July, Circle signed an agreement with Toss to investigate payment solutions involving USDC, one of the most widely used U.S. dollar-backed stablecoins.
The collaboration covered potential applications including digital wallets, stablecoin payments, and programmable financial transactions.
Programmable payments allow transactions to be executed automatically when predefined conditions are met.
Such technology could eventually support more efficient payment processes for businesses, financial institutions, and consumers.
Circle also entered a separate partnership with Kakao Group to explore stablecoin payments, cross-border remittances, and digital asset infrastructure.
These partnerships highlight the increasing interest among South Korean technology companies in blockchain-based financial services.
However, neither agreement confirmed the introduction of a publicly available stablecoin payment product.
Toss Bank Explores Solana for International Payments
Toss Bank has separately investigated blockchain technology for international money transfers.
In June 2026, the banking company entered a partnership with the Solana Foundation to examine blockchain-based remittance and settlement infrastructure.
The project focused on whether stablecoins could improve the efficiency of transferring money across international borders.
Traditional cross-border payments can involve multiple intermediaries, settlement processes, and transaction fees.
Blockchain-based payment systems may offer alternative methods for transferring value between institutions and users.
However, potential improvements depend on factors such as regulatory compliance, transaction costs, liquidity, and integration with existing banking networks.
The Toss Bank initiative was intended to evaluate these possibilities rather than immediately introduce a commercial service.
Together, these projects show that Toss and its banking affiliate are exploring different blockchain networks and payment technologies.
South Korean Banks Increase Stablecoin Payment Experiments
Gwangju Bank and Toss are part of a broader movement among South Korean financial institutions investigating stablecoin-based payment solutions.
Several major banks have launched technology trials to understand how digital assets could be used for domestic purchases, merchant settlements, and international transfers.
In May 2026, KB Financial Group completed a proof of concept involving won-denominated stablecoins.
The project explored stablecoin issuance, offline QR payments, merchant settlement, and cross-border remittances.
The trial involved KG Inicis, Kaia, and OpenAsset.
One of the reported achievements was an international remittance to Vietnam completed in less than three minutes.
The project also reported transaction fees approximately 87% lower than those associated with the conventional method used for comparison.
These results suggest that blockchain-based infrastructure could offer efficiency improvements in certain payment scenarios.
However, performance during a controlled trial does not necessarily guarantee identical results under large-scale commercial conditions.
Shinhan Financial Partners With Visa on Stablecoin Payments
Another major South Korean financial institution exploring the technology is Shinhan Financial Group.
In August 2026, Shinhan partnered with Visa to develop infrastructure for stablecoin payments and settlement services.
The agreement focused on technical work involving the issuance, transfer, and redemption of stablecoins.
Both companies also planned to explore how digital assets could support payment services for businesses and consumers.
Visa’s participation reflects growing interest among established payment networks in blockchain-based settlement systems.
Stablecoins may provide additional options for moving funds between financial institutions while maintaining connections with traditional payment infrastructure.
Nevertheless, Shinhan’s partnership remains a development initiative, and the reported agreement did not establish a nationwide commercial stablecoin payment launch.
South Korea Prepares New Stablecoin Regulations
The increasing number of stablecoin trials comes as South Korean authorities work toward introducing a more comprehensive legal framework for digital assets.
In September 2026, the Financial Services Commission confirmed plans to review the country’s second-stage cryptocurrency legislation in November.
The proposed framework is expected to address digital asset issuance, distribution, and stablecoin regulation.
The legislation aims to establish clearer requirements for companies involved in cryptocurrency and blockchain-based financial services.
Regulators have been discussing how stablecoins should be issued, supervised, and integrated into the country’s financial system.
However, the framework has not yet been finalized.
Lawmakers are expected to examine the proposals during the planned November review.
The outcome could influence how banks and fintech companies develop future stablecoin products.
Bank of Korea Supports Bank-Led Stablecoin Issuance
The Bank of Korea has also participated in discussions surrounding the country’s stablecoin regulatory framework.
The central bank has supported an approach under which won-denominated stablecoins would initially be issued by consortiums led by banks.
Supporters of this approach believe established financial institutions could provide regulatory oversight, compliance procedures, and financial infrastructure for stablecoin issuance.
However, the proposed structure has generated debate about the role of fintech companies and other private-sector participants.
Some industry stakeholders favor broader participation in stablecoin development rather than restricting issuance primarily to banking institutions.
These disagreements have become an important part of South Korea’s legislative discussions.
The final regulatory framework could determine which organizations are permitted to issue stablecoins and what conditions they must meet.
Until lawmakers reach an agreement, the commercial use of new won-denominated stablecoin products remains subject to regulatory uncertainty.
Why Stablecoin QR Payments Matter for South Korea
Stablecoin-based QR payments could provide an additional way for consumers and merchants to transfer value using digital wallets.
QR payments are already familiar to many mobile payment users, making them a practical interface for testing blockchain-based transactions.
Integrating stablecoin payments into existing banking applications could also reduce the need for customers to interact directly with complex blockchain tools.
For merchants, the technology may eventually provide alternative payment and settlement options.
However, several issues must be addressed before stablecoin QR payments can become widely available.
These include transaction security, regulatory approval, consumer protection, stablecoin redemption arrangements, and compatibility with existing payment systems.
The experience of merchants and customers during future trials will also be important.
The Gwangju Bank and Toss project represents an early step toward evaluating these questions.
What’s Next for Gwangju Bank and Toss?
After successfully completing the initial stablecoin QR payment test, Gwangju Bank and Toss are preparing to improve the technology through additional trials.
The next phase will focus on simplifying the payment experience and potentially testing the system with merchants in Gwangju and Jeonnam.
However, the companies have not disclosed a commercial launch timeline or confirmed which stablecoin would be supported.
The broader future of stablecoin payments in South Korea will also depend on the country’s evolving regulatory framework.
The National Assembly is expected to review the proposed second-stage digital asset legislation in November 2026.
If a clear regulatory structure emerges, banks and fintech companies may have greater certainty when developing commercial blockchain payment services.
Final Thoughts
Gwangju Bank and Toss have taken another step toward exploring the practical use of stablecoins in everyday financial transactions.
Their successful QR payment trial demonstrates how blockchain-based transfers can be connected to existing mobile banking applications and merchant payment terminals.
The collaboration also reflects growing interest among South Korean financial institutions in digital asset payments.
With companies such as Toss, Circle, Visa, and several major banks experimenting with stablecoin technology, South Korea is becoming an important market for blockchain payment innovation.
For now, Gwangju Bank and Toss remain focused on technical testing and improving the customer experience, while the country’s upcoming stablecoin legislation could help determine how these services develop commercially.
