Fintech 2026

SOUTH KOREA Trends and Developments

Trends and Developments Contributed by: Wooyoung Choi, Suhhee Han, Seonghwan Ju and Matt Younghoon Mok Lee & Ko

Lee & Ko was established in 1977 and has evolved into a leading full-service law firm in South Korea, recognised for its excellence across various legal do - mains. Lee & Ko is known for delivering timely, prac - tical solutions to complex legal matters. The firm’s in-house resources include attorneys, accountants, patent agents, former government officials and other specialists, ensuring clients can access a wide range

of services cost-effectively. Further, Lee & Ko main - tains an extensive global network and collaborates with international law firms. This allows the firm to assist clients not only with Korean legal matters but also with cross-border transactions by connecting with legal advisers worldwide. This makes the firm a sought-after choice for clients requiring comprehen - sive and efficient legal assistance.

Authors

Wooyoung Choi is co-head of the Digital Asset Centre at Lee & Ko and a first-generation digital asset specialist in Korea with deep

the Capital Markets Act. She is also recognised for her work in innovative financial services regulatory sandboxes and new business model advisory.

expertise in IP and technology. Since 2017, he has built an unparalleled track record across digital asset issuance, trading, regulatory compliance, VASP registration, investigations, civil and criminal litigation, tax audits and STO regulatory sandbox advisory. He successfully handled Korea’s largest digital asset disputes, including the Terra-Luna and Haru Investment matters, and is well versed in complex cross-border arbitrage and OTC transactions. He currently serves as expert adviser to the ruling party’s Digital Asset Task Force and as a member of the Korean Bar Association’s IT and Blockchain Special Committee.

Seonghwan Ju is a key partner in Lee & Ko’s Digital Finance team and serves as Secretary of the Digital Asset Centre. He is recognised as a

leading practitioner in financial regulation and digital finance. Drawing on his regulatory experience at the Financial Supervisory Service and his background in financial engineering, he advises on innovative digital financial business models. His practice focuses on regulatory matters arising from financial sector digitalisation, including financial regulation, electronic financial services, virtual asset service provision and AML compliance. He advised the Ministry of Economy and Finance on policies relating to stablecoins, virtual assets and foreign exchange regulation, receiving a Commendation from the Minister and Deputy Prime Minister.

Suhhee Han is co-head of the Digital Asset Centre at Lee & Ko and a first-generation digital asset specialist with distinguished expertise in data protection and cybersecurity. With over ten years of experience, she has

Matt Younghoon Mok is a senior foreign attorney in Lee & Ko’s TMT group, where he focuses on data privacy, cybersecurity, artificial intelligence and emerging technology regulations. His expertise spans

successfully navigated complex regulatory issues including VASP registration, AML internal control systems, ISMS certification and overseas stablecoin issuance advisory. She holds a PhD in law from Seoul National University, with her doctoral research focused on digital asset regulation, bringing academic depth to her practice in the VAUPA and

cryptocurrency compliance, blockchain technology and cross-border transactions. In addition to his technical focus, Mr Mok has significant experience

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