In the fast-paced world of cryptocurrency, security breaches are a constant threat, disrupting markets and shaking investor confidence. Today, Upbit, one of South Korea’s leading digital currency exchanges, has issued a trading warning for UXLINK following a significant security breach that resulted in a reported $11 million exploit.
The Breach Unfolds
The alarm bells started ringing when it was discovered that a hacker had gained the mint role on Arbitrum, a popular Ethereum layer-2 scaling solution. This unauthorized access allowed the attacker to create two billion UXLINK tokens, flooding the market with the newly minted currency. The exploit’s impact was swift, leading Upbit to take immediate action to mitigate potential fallout.
DAXA Steps In
In response to the breach, the Digital Asset eXchange Association (DAXA), a collaborative body of major South Korean crypto exchanges, flagged the trading pairs involving Korean Won (KRW), Bitcoin (BTC), and Tether (USDT). Trading on these pairs has been heavily scrutinized, with deposits suspended as a precautionary measure while a thorough review is conducted.
DAXA’s quick intervention highlights the importance of having regulatory bodies ready to step in during crises. By pausing trading and deposits, DAXA aims to protect investors from potential losses while ensuring that the situation is thoroughly investigated.
PeckShield’s Analysis
PeckShield, a renowned blockchain security firm, was one of the first to report the breach. Their analysis confirmed that the hacker leveraged the mint role to produce an astronomical number of tokens. This kind of breach is particularly concerning because it undermines the token’s scarcity and value, potentially leading to significant market disruptions.
PeckShield’s prompt identification and reporting of the issue underscore the vital role that cybersecurity firms play in the digital asset ecosystem. Their vigilance helps exchanges like Upbit quickly respond to threats and protect their users.
Tracking the Stolen Funds
In an effort to minimize the damage, UXLINK has been working tirelessly to track the movement of the stolen funds across various exchanges. By closely monitoring these transactions, the company hopes to identify the hacker and recover the ill-gotten gains.
This effort is no small task, as cryptocurrency transactions, while traceable, can be complex and difficult to pin down, especially when funds are moved across multiple platforms. UXLINK’s determination to track the hacker reflects the broader industry’s commitment to security and accountability.
A Balanced Perspective
While the breach is undoubtedly a setback for UXLINK and its investors, it’s essential to maintain a balanced perspective. The swift actions of Upbit and DAXA demonstrate the growing maturity of the cryptocurrency market in handling security incidents. Their proactive measures are designed to protect investors and maintain market stability.
Moreover, this incident serves as a stark reminder of the ongoing challenges that the crypto industry faces. As digital assets become increasingly integrated into the global financial system, the need for robust security measures and rapid response protocols is more critical than ever.
Moving Forward
As the investigation unfolds, the cryptocurrency community will be watching closely to see how Upbit, UXLINK, and DAXA manage the fallout from this breach. Their actions will likely set precedents for how similar incidents are handled in the future.
Investors, too, must remain vigilant, prioritizing security and performing due diligence when engaging with digital assets. While the lure of high returns can be tempting, it’s crucial to remember that the crypto landscape is fraught with risks.
In the days and weeks ahead, the focus will undoubtedly remain on the investigation’s findings and the steps taken to prevent future breaches. This incident, like many before it, is a sobering reminder of the need for continuous improvement in security practices within the cryptocurrency sector.

Steve Gregory is a lawyer in the United States who specializes in licensing for cryptocurrency companies and products. Steve began his career as an attorney in 2015 but made the switch to working in cryptocurrency full time shortly after joining the original team at Gemini Trust Company, an early cryptocurrency exchange based in New York City. Steve then joined CEX.io and was able to launch their regulated US-based cryptocurrency. Steve then went on to become the CEO at currency.com when he ran for four years and was able to lead currency.com to being fully acquired in 2025.