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This article was first published on TurkishNY Radio.
South Korea’s largest lender, KB Kookmin Bank, is preparing to roll out a new blockchain-powered cross-border payment service for corporate customers.
The bank will use J.P. Morgan’s Kinexys platform to help businesses send international U.S. dollar payments more quickly, making overseas trade transactions smoother for importers and exporters.
The service is expected to launch in August 2026 and will work alongside the existing SWIFT network instead of replacing it.
By combining blockchain technology with traditional banking infrastructure, KB Kookmin aims to reduce payment delays while keeping the compliance and settlement processes that businesses already rely on.
The move also reflects a growing trend among global banks to modernize payment systems without abandoning established financial networks.
KB Kookmin Bank Cross-Border Payments Launch
The new KB Kookmin Bank cross-border payments service follows a partnership agreement with J.P. Morgan, making the bank the first financial institution in South Korea to adopt Kinexys for corporate international payments.
According to J.P. Morgan, Kinexys is built to process payments almost instantly while supporting programmable transactions, tokenized assets, and continuous settlement throughout the day.
Formerly known as Onyx, the platform has developed into one of the world’s largest permissioned blockchain networks used by financial institutions.
When the service launches, businesses will initially be able to send U.S. dollar payments between South Korea and nine other markets, including the United States, Singapore, India, Saudi Arabia, Thailand, Qatar, Bahrain, the United Arab Emirates, and South Africa.
KB Kookmin has not yet shared details about service fees, transaction limits, or the exact launch date.
KB Kookmin Bank Cross-Border Payments With SWIFT
One of the key features of the new service is that it keeps the existing SWIFT infrastructure in place. Rather than asking banks to move away from the traditional international payment network, Kinexys enhances it by adding blockchain-based settlement.
This approach allows banks to continue using familiar compliance checks, correspondent banking relationships, and foreign exchange systems while benefiting from faster settlement and longer payment windows.
For businesses operating across different time zones, that could mean fewer delays when paying overseas suppliers or receiving international funds.
Many major financial institutions are now following a similar strategy, choosing to integrate blockchain into existing operations instead of replacing legacy payment systems entirely.
Kinexys Is Seeing Broader Adoption Across Global Banking
J.P. Morgan has continued expanding the Kinexys network as demand for blockchain-based banking services grows.
According to J.P. Morgan, the platform now supports several major currencies, including the U.S. dollar, Australian dollar, Hong Kong dollar, Japanese yen, Singapore dollar, and Chinese yuan, allowing participating institutions to process payments around the clock.
The network is already being used by organizations such as Qatar National Bank, Axis Bank, Mitsubishi Corporation, and EBANX.
Several participants have reported that international corporate transfers, which once took many hours because of banking cut-off times, can now be completed within minutes in eligible cases.
The wider adoption of Kinexys shows that banks are increasingly viewing blockchain as a practical tool for improving wholesale payment infrastructure.
Rather than focusing on cryptocurrency trading, institutions are applying the technology to solve long-standing challenges in cross-border settlements, treasury management, and international business payments.
KB Financial Group Broadens Its Blockchain Strategy
The launch of KB Kookmin Bank’s cross-border payment service is only one piece of KB Financial Group’s larger effort to bring blockchain technology into its core banking operations.
Rather than treating blockchain as a separate experiment, the group is gradually integrating it into different financial services to improve efficiency and reduce settlement times.
Earlier in 2026, KB Kookmin Bank completed a $100 million digital bond issuance on HSBC’s Orion digital asset platform. The transaction shortened settlement from five business days to just three, showing how digital asset infrastructure can streamline traditional financial processes.
The bank is also taking part in South Korea’s tokenized deposit pilot, a project backed by the Ministry of Economy and Finance. The initiative is exploring how programmable deposits can be used for government payments while creating a more transparent and efficient settlement system.
Beyond banking, KB Kookmin Card is working on a payment solution that links stablecoin wallets with conventional card networks.
Built on Avalanche technology, the system is designed to let customers pay with stablecoins while merchants continue receiving settlements through existing card infrastructure.
Together, these projects demonstrate that KB Financial Group is steadily expanding blockchain across several areas of its business rather than focusing on a single use case.
Why the New Payment Service Matters for Businesses
For companies that regularly send or receive international payments, the new KB Kookmin Bank cross-border payments service could make day-to-day operations more efficient.
Cross-border transactions often face delays because of banking cut-off times, different time zones, and multiple intermediary banks involved in the payment process.
By combining Kinexys with the existing SWIFT network, KB Kookmin Bank aims to speed up settlement while allowing businesses to continue using the same banking channels they already know.
This means importers and exporters could gain access to longer payment windows, faster processing, and improved cash flow management without changing their existing banking relationships or payment procedures.
Although the bank has not confirmed whether additional currencies or countries will be added after the first phase, the August launch will provide an early indication of how blockchain technology can strengthen international banking without replacing the systems already trusted by financial institutions.
Summary
- KB Kookmin Bank plans to launch a blockchain-powered cross-border payment service in August 2026, enabling businesses to send U.S. dollar payments faster through J.P. Morgan’s Kinexys network.
- The service combines Kinexys with the existing SWIFT infrastructure, allowing companies to make international payments across 10 countries without changing their current banking processes.
- Faster settlement times and extended payment availability are expected to help importers and exporters manage overseas transactions more efficiently.
- The launch also reflects KB Financial Group’s broader commitment to blockchain, following initiatives involving digital bonds, tokenized deposits, and stablecoin-based payment solutions.
