South Korea’s National Tax Service (NTS) is embarking on a comprehensive revamp of its digital asset custody management after a security breach enabled unauthorized transactions of seized cryptocurrencies valued at $4.8 million. The breach has prompted the tax authority to consider reforms to enhance security and centralize control over digital assets under its jurisdiction. As part of the Ministry of Economy and Finance, the NTS is tasked with tax collection, ensuring compliance, and overseeing state-seized assets, which include cryptocurrencies linked to investigations and tax defaults.
Can External Custody Providers Guarantee Security?
In response to the breach, the NTS is evaluating external custody services to manage its confiscated digital assets effectively. Prospective firms are being reviewed based on stringent criteria including technical security standards, previous operational performance, company size, and level of institutional experience. Notably, adherence to insurance requirements stipulated under the Virtual Asset User Protection Act is mandatory for any potential partner. This step underscores growing concerns about asset protection following the public release of sensitive security information.
How Is the Task Force Addressing Crypto Management Flaws?
To address these vulnerabilities, a task force has been set up within the NTS to overhaul internal controls for managing digital assets. This group is responsible for modernizing processes for seizure, storage, liquidation, and transfer of cryptocurrencies, with an enhanced focus on internal audits and ongoing staff education. The aim is to track the complete process of seized tokens meticulously to thwart further unauthorized access and ensure accountability.
In light of compromised recovery phrases leading to unauthorized asset withdrawals, the NTS has launched extensive internal assessments. This predicament has not only triggered an immediate investigation but also accelerated plans for sweeping organizational reforms.
Efforts to centralize crypto-related oversight are underway, as current responsibilities are spread across multiple departments. The agency’s goal is to form a cohesive division dedicated to implementing comprehensive compliance, transparency, and risk management practices.
Recent months have witnessed additional cases of compromised digital assets among law authorities, highlighting the critical need for systematic reforms. The NTS is keen to collaborate with policing bodies to align procedures and avert recurrent breaches.
An agency spokesperson stated they are actively exploring custody management solutions, emphasizing an enduring commitment to enhancing security protocols, streamlining duties, and formulating updated crypto management directives organization-wide.
Technological enhancements under evaluation include robust measures for safeguarding hardware wallets, stringent guidelines for mnemonic data handling, and reinforced control over access to devices and recovery information. Continued reforms involve updating staff training to ensure compliance with best practices in digital asset management.
The NTS plans to conclude the selection of a private custody partner following thorough compliance evaluations and detailed inspections of institutional candidates, as guided by the newly instated task force regulations. Additional policy adjustments and structural reforms are anticipated as South Korea presses forward with regulating its crypto landscape.



