• Advised on reporting on a virtual asset service provider under the Specified Financial Information Act.
• Advised on the issuance and management of digital assets through overseas subsidiaries.
• Advised on the listing and delisting of digital assets on digital asset exchanges.
• Advised on determining whether digital assets are securities.
• Advised on responding to a regulator’s audit and sanctions against the VASP.
• Acted as lead counsel for the VASP in civil disputes against users.
• Advised on payment services using digital assets.
• Advised on decentralized services such as DeFi or DEX.
• Advised on user protection and unfair trading regulation under the Virtual Asset User Protection Act.

• Advised on registration of electronic financial business.
• Advised on response to regulator's audit and sanctions against electronic financial business operators.
• Advised on application for designation as innovative financial services.
• Advised on simple payment service using electronic prepayment means.
• Advised on reorganization of electronic financial business entities.
• Advised on proposed amendment to the Electronic Financial Transaction Act.
• Advised on determination of whether an online platform operator conducts electronic financial business.
• Advised on the internet bank license application.

• Advised a battery manufacturer regarding insurance claims arising from battery fires.
• Assisted for an insurance company in responding to inspections conducted by the financial regulators.
• Advised an insurance company in drafting the accountability structure.
• Advised on response to regulator's audit and sanctions against insurers.
• Acted as lead counsel for an insurer in a civil lawsuit between the insurer and a medical institution.
• Advised on insurance companies' M&A.
• Advised on insurers' internal controls.
• Advised on life insurance suicide dispute.
• Acted as lead counsel for an insurer related to cataract surgery.
• Advised on the eligibility for insurance claims under corporate insurance policy.

• Acted as the lead counsel for blockchain game companies in a lawsuit seeking the revocation of rating cancellation of blockchain games.
• Advised on the business structure for the issuance and management of digital assets used for blockchain game services.
• Acted as lead counsel for an online game company in a criminal case related to the violation of the Game Industry Promotion Act.
• Advised on speculative acts and gambling regulations related to online games.
• Advised on gaming Industry policy.
• Advised on the introduction of mini-games in e-commerce platforms.
• Policy advisory on improvements to prize regulations under the Game Industry Promotion Act.

著書/活動

• "Legal Issues and Challenges of Prepaid Electronic Payment Instruments - Focusing on the Revised Electronic Financial Transactions Act -", BFL No. 129 (Co-authored, Seoul National University Center for Financial Law, 2025.1)
• Speaker, “Domestic regulation and practice of STO and RWA,” Blockchain Expert Invitation Seminar (Korea Internet & Security Agency (KISA), 2024.5.)
• Speaker, “Web 3.0 Games and the Game Industry Promotion Act,” Legal Issues of Digital Transformation (Korea Advanced Institute of Science & Technology (KAIST), 2024.5.)
• Speaker, “Legal Analysis of NFT Items,” Virtual Convergence Economy Revitalization Forum (Ministry of Science and ICT, etc., 2023.9.)
• “Legal Issues of Blockchain Game Project,” BFL No.115 (Seoul National University Center for Financial Law, 2022.9.)
• Speaker, “Legal Issues of Blockchain Games,” Regular Seminar (Capital Market Research Association, 2022.5.)
• “A Study on the Search and Seizure of Electronic Information from the Viewpoint of Personal Information Protection” (Seoul National University Center for Law & Technology, 2020.11.)