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South Korea is facing a digital asset custody crisis after several incidents revealed weaknesses in how public institutions handle cryptocurrency. Concerns around security and oversight were raised in early 2026 by issues ranging from police losing access to substantial quantities of Bitcoin to tax officials releasing wallet data. These mistakes have undermined public trust and brought attention to the difficulties governments encounter in handling the technological requirements of digital assets.
Deputy Prime Minister and Finance Minister Koo Yun-cheol has acknowledged the shortcomings and promised reforms to improve how agencies secure, audit, and manage digital holdings. The situation reflects broader questions about how governments worldwide will adapt to the complexities of crypto oversight.
Koo Yun-cheol has become a central figure in the country’s response to its digital asset custody problems. On 1 March, he announced plans for urgent reviews and reforms across public institutions that hold or manage cryptocurrency seized through enforcement actions.
One of the key triggers for South Korea’s push to reform digital asset management was a serious mistake by the National Tax Service. In a press release highlighting the seizure of delinquent taxpayer assets, officials accidentally published wallet recovery details, including a seed phrase tied to a seized crypto wallet.
최근 국세청의 디지털자산 정보 유출 사건과 관련하여, 정부는 금융위•금감원 등 관계기관과 함께 체납자로부터 압류 등으로 보유•관리하고 있는 정부•공공기관의 디지털자산 현황 및 관리 실태를 점검하고, 디지털자산 보안 관리강화 등 재발 방지 방안을 조속히 마련•시행하겠습니다.
참고로,… pic.twitter.com/RfvGJdvHy3
— 구윤철 부총리 겸 재정경제부 장관 (@yuncheol_koo) March 1, 2026
The mistake happened when pictures of seized goods were circulated, and one picture showed the handwritten seed phrase and a hardware wallet. The vulnerability instantly jeopardised the contents of a wallet because seed words grant complete access to it. Blockchain data revealed that about 4 million Pre-Retogeum (PRTG) tokens had been removed from the wallet in a matter of hours. The incident demonstrated how vulnerable public organisations might be when managing cryptocurrencies without stringent controls, even though the tokens had low liquidity.
Another major incident involved 22 Bitcoins, valued at about $1.4 million, disappearing from police custody. Although they were unable to hold the private keys, detectives in the Gangnam case kept the confiscated Bitcoin in a cold wallet. The police never had the seed phrase since the wallet was linked to third-party possession. An outsider was able to access and move the Bitcoin to a different address because of this error.
Suspects linked to the crime were later detained by the authorities, but the incident brought to light a crucial flaw: keeping a hardware wallet is useless if the keys are not secured. The case raised more general questions about internal procedures and the government’s capacity to properly handle digital assets.
Other shortcomings in South Korea’s cryptocurrency industry, in addition to the improper management of confiscated funds, increased calls for reform. Regulators were criticised earlier in 2026 for failing to notice a significant internal problem at Bithumb, one of the biggest exchanges in the nation, even after the Financial Supervisory Service and the Financial Services Commission conducted many reviews. The event raised worries about oversight gaps throughout the system by implying that institutions and regulators lacked the technical know-how required to supervise vital crypto infrastructure.
The Financial Supervisory Service (FSS) and the Financial Services Commission (FSC) have joined forces with the South Korean government to conduct a joint evaluation of public institutions’ digital asset management practices. The evaluation will examine agency-wide storage, monitoring, and security policies, paying particular attention to any gaps in staff training, technology, procedures, and risk management.
Weaknesses including the use of third-party custodians without stringent access controls, the reliance on single-party seed storage rather than multi-signature wallets, and the lack of hardware security modules or transparent governance structures have previously been identified by experts. These flaws have resulted in actual monetary losses and sparked questions about the state’s capacity to adequately protect digital assets.
In response to recent custody breaches, South Korea is drafting legislation to improve monitoring of digital assets. Although specifics are still being worked out, experts anticipate that improvements will include frequent audits with staff training, required use of multi-signature wallets and secure hardware, and uniform custodial procedures across public institutions.
In addition to technical solutions, the government is considering changing the regulatory structure to include more precise roles and harsher sanctions for mismanaging state-owned cryptocurrency. These actions are intended to close loopholes that have already resulted in monetary losses and reputational harm while also bringing oversight closer to international standards.
