As South Korea aggressively pushes to internationalize its currency, the central bank has kicked off a round-the-clock settlement network for offshore investors, running parallel to real-world blockchain and central bank digital currency (CBDC) trials.
The Bank of Korea (BOK) is rapidly upgrading the plumbing of its financial system to attract global capital. On September 21, 2026, the central bank officially initiated trial operations for a 24-hour international won settlement network.While this specific pilot operates on traditional infrastructure rather than a decentralized blockchain, it serves as a critical component of a much larger, synchronized strategy. By modernizing legacy post-trade mechanisms and simultaneously testing tokenized digital currencies, South Korea is laying the foundation for a highly accessible, frictionless financial hub.
The immediate rollout focuses on removing the most painful friction point for foreign institutions: time zones.
Until now, overseas investors participating in South Korean markets faced severe operational bottlenecks. Trading and settlement were artificially constrained by Seoul’s domestic banking hours.
The newly launched pilot, dubbed the BOK Won International Wire Network, tackles this gap head-on.Operating from 9 a.m. local time straight through to 9 a.m. the following business day (excluding weekends and public holidays), the system allows institutions to settle Korean won transactions during their own local business hours.
The initial trial phase is currently underway in collaboration with four massive domestic lenders: KB Kookmin Bank, Woori Bank, Hana Bank, and Shinhan Bank.To facilitate the flow of funds, the Ministry of Finance and Economy introduced a regulatory framework enabling “Registered Foreign Institutions for KRW Business” (RFI-Ks).These RFI-Ks can now open omnibus accounts with domestic banks, allowing foreign non-residents to settle trades without the onerous requirement of opening separate, direct accounts with South Korean financial institutions.
The regulatory tweaks also permit unlimited won borrowing through overdrafts for settlement purposes, drastically reducing post-trade settlement risk.Following the trial phase, the BOK plans for a full-scale operational launch with additional overseas banks in January 2027.
The push for 24-hour settlement is heavily driven by South Korea’s long-standing ambition to secure “developed-market” status from MSCI, the global index provider. Despite launching 24-hour continuous won trading earlier in the summer, MSCI recently cited limited offshore convertibility and the lack of underlying settlement infrastructure as primary barriers to the upgrade.
By creating a seamless framework where offshore institutions can hold and move won without routing through restrictive Seoul business hours, the BOK is directly answering these critiques.
While the 24-hour pilot upgrades traditional fiat rails, the Bank of Korea has made it clear that the future of international settlement lies in digital assets. The central bank is aggressively advancing multiple blockchain-based settlement projects designed to run alongside its modernized fiat systems.
Most notably, the BOK is a key participant in Project Agorá, a massive cross-border payments initiative spearheaded by the Bank for International Settlements (BIS).In July 2026, Project Agorá completed real-value trials using tokenized central bank reserves and commercial bank deposits across 28 global financial institutions.Testing the Korean won alongside five other major currencies, the network processed around 800,000 Swiss francs across 17 distinct scenarios, boasting an impressive average settlement time of just 80 seconds.
Domestically, the central bank is driving Project Hangang, a wholesale CBDC initiative.Following successful initial tests of tokenized commercial bank deposits on a unified ledger, officials are gearing up for a second live phase in late 2026.
The digital asset industry often views traditional banking upgrades and blockchain innovations as competing forces. South Korea is proving that they are complementary pieces of a unified macroeconomic strategy.
The 24-hour BOK Won International Wire Network secures the present by ensuring immediate offshore access and chasing the coveted MSCI upgrade. Simultaneously, the heavy investments in Project Agorá and Project Hangang prepare the nation for the inevitable transition to programmable, tokenized finance. By building parallel rails—one fixing the legacy system and the other pioneering the digital frontier—the Bank of Korea is positioning itself as one of the most technologically progressive central banks in the global economy.