Upbit operator Dunamu made Hanna Bank its fourth-largest shareholder in a $670 million deal.

South Korean digital asset company Dunamu, which owns Upbit, has received a 1 trillion won ($670 million) investment from Hanna Financial Group, the country's “big four” banking group.

Under the agreement, Hanna Bank will hold a 6.55% stake in Kakao Investments in Dunamu. The transaction makes Hanna Bank Dunamu's fourth largest shareholder and includes a partnership agreement to build infrastructure for the winning stablecoin ecosystem.

The investment is the latest sign that South Korean banks are moving decisively into digital assets, following Woori Bank's partnership with MoonPay in April on a Victory-backed stablecoin. Hanna Financial Group said it aims to accelerate financial innovation tied to digital assets and expand joint business projects with Dunamu.

In the year In November 2025, Naver Financial, part of Naver Corp., agreed to acquire Dunamu in an all-stock transaction for approximately $10 billion. Naver Financial plans to pursue an IPO after completing the stock exchange.

South Korea has eased corporate cryptocurrency ownership restrictions, with regulators now allowing listed companies to invest up to 5% of their equity in digital assets.

The decision represents a major shift from previous regulatory policy, when authorities cracked down on the crypto sector, with corporate holdings restricted and exchange operations strictly regulated.

The updated rules signal growing acceptance of digital assets in South Korea's financial system as regulators take a more accommodating approach to the industry.