South Korea Budget Office Sees $3.8B in Annual Merchant Savings From Stablecoins

South Korea's National Assembly Budget Office released a report Monday finding that stablecoin adoption could save the country's merchants approximately $3.8 billion per year, a figure that underscores the economic stakes of a regulatory debate that has so far produced more friction than clarity.

The savings would flow primarily from reduced payment processing costs. Stablecoins, which are digital assets pegged to a reference currency such as the U.S. dollar or Korean won, can settle transactions directly between parties without the card networks, acquiring banks, and foreign exchange intermediaries that currently take a cut of every merchant transaction. For a trade-heavy economy like South Korea, where retail payment volumes are substantial and cross-border commerce is routine, those fees accumulate quickly.

"Adopting stablecoins in South Korea could revolutionize merchant payment systems, but regulatory disagreements may hinder their potential benefits."

National Assembly Budget Office report, released September 8, 2026

The candor of that caveat is notable. The budget office is not a regulatory agency, but its analysis carries weight in parliamentary budget deliberations. By naming inter-agency disagreement as a structural obstacle, the report implicitly pressures South Korea's Financial Services Commission, the Bank of Korea, and the Ministry of Economy and Finance to align their positions. Those three bodies have historically approached digital assets from different institutional angles, with the central bank prioritizing monetary stability, the financial regulator focused on investor protection, and the finance ministry more attentive to competitiveness and capital flows. Coordinating them has proven difficult even on narrower questions than stablecoin issuance and settlement.

South Korea's regulatory history with digital assets is one of repeated near-misses. The country was among the earliest to see high retail crypto trading volumes, then moved to restrict anonymous trading accounts in 2018, then tightened exchange licensing requirements under the Act on Reporting and Using Specified Financial Transaction Information. Each cycle produced rules that addressed the immediate concern but left broader frameworks incomplete. Stablecoins have remained in a grey zone, neither explicitly permitted for merchant settlement nor formally prohibited, which has deterred the infrastructure investment that would be needed to realize savings at scale. The pattern is not unique to Seoul: regulatory clarity eventually unlocked adoption in Brazil, where banks began selling crypto to retail clients only after years of back-and-forth produced a workable framework.

The $3.8 billion figure deserves scrutiny. It is almost certainly a ceiling rather than a floor. Actual savings would depend on which stablecoins are permitted, whether they are won-denominated or dollar-denominated, what compliance and custody costs merchants bear, and how quickly point-of-sale infrastructure is upgraded. Incumbent card networks and domestic payment processors, which collectively earn a meaningful share of that $3.8 billion today, will lobby against structural changes that reduce their margins. Consumer protection arguments will also surface: if a stablecoin issuer fails or depegs, merchants and their customers bear the loss unless a compensation regime exists. None of those questions are answered by Monday's report.

What the report does accomplish is putting a number on the opportunity cost of inaction. $3.8 billion annually is roughly 0.2% of South Korea's GDP, not a rounding error. For a government that has watched domestic fintech firms lose ground to global competitors partly because of regulatory uncertainty, the budget office's framing shifts the debate from "should we allow stablecoins" toward "what does delay cost us." Whether that reframing moves the three agencies toward a coordinated position, or simply adds another voice to an already crowded argument, will determine whether the $3.8 billion stays theoretical.