As cryptocurrencies move toward wider acceptance and regulation, a dark undercurrent remains: money laundering. Despite significant strides in making crypto a legitimate asset class, its use in illicit activities continues to grow. In this article, we will explore the trends behind crypto-related money laundering, the tools and tactics used by criminals, and the impact of increasing regulation.
The Growing Concerns Over Money Laundering in Crypto
Money laundering has long been associated with cryptocurrencies, and recent developments highlight that it remains a significant issue. Crypto’s initial reputation as a tool for criminals is often cited, and despite improvements in tracking and regulation, it is clear that laundering still plays a prominent role in the digital asset space.
In 2017, BlackRock CEO Larry Fink famously labeled crypto as “an index of money laundering,” reflecting widespread skepticism toward its use. However, by 2022, BlackRock had pivoted, embracing Bitcoin as a legitimate investment and adding over 570,000 bitcoins to its portfolio. Despite the evolving stance from some institutional investors, reports from blockchain analytics firms like Chainalysis show that crypto is still being used extensively for illicit activities.
The Bybit Hack: A Case Study in Modern Crypto Laundering
In one of the most recent and high-profile cases, the February 2025 hack of Bybit, a popular crypto exchange, has drawn attention to the ongoing money laundering issues within the crypto space. On March 20, Bybit CEO Ben Zhou shared that over 88% of the stolen funds were still traceable, though a significant portion, around 7.59%, had “gone dark,” indicating successful use of crypto mixers.
Crypto mixers—tools that obfuscate the origin and destination of digital assets—are one of the main methods used in laundering operations. The stolen funds were reportedly sent through platforms like Wasabi, TornadoCash, Railgun, and Crypto Mixer before being exchanged on peer-to-peer platforms. This kind of operation is highly effective because of the privacy features of mixers, which make it difficult to trace the flow of funds.
According to blockchain analytics firm Elliptic, the Bybit hack could be the largest heist in history, with links to North Korea’s Lazarus Group, a hacking collective allegedly funded by the state. Lazarus Group has been involved in crypto theft for years, reportedly using stolen crypto to fund the country’s nuclear program.
How Much Crypto is Used for Money Laundering Annually?
The issue of crypto-related money laundering is not confined to individual hacks or exchanges. According to Europol, the European Union’s law enforcement agency, money laundering is the leading criminal use of cryptocurrencies. In fact, the rise in crypto transactions during the COVID-19 pandemic also corresponded with an increase in laundering activities.
Data from Chainalysis indicates that the volume of laundered crypto surged in 2021, reaching $18.3 billion, up from $9.9 billion in 2020. While there was a decline in 2023, with laundered crypto dropping to $22.2 billion, the figure remains far higher than pre-2021 levels. Despite the overall crypto market shrinking in 2023 by around 15%, the volume of illicit activity in crypto remained relatively stable.
More alarmingly, criminals are diversifying their methods. In the 2010s, mixers and cross-chain bridges were the tools of choice. Now, cross-chain bridges have become increasingly popular, with a select few services responsible for around one-third of all laundered crypto between 2019 and 2023.
The Tools of the Trade: Crypto Mixers, Privacy Coins, and Cross-Chain Bridges
Crypto mixers, like TornadoCash and Wasabi, have been under increasing scrutiny. These platforms allow users to blend their coins with others, making it almost impossible to trace the original sender and receiver. Although these services are often used for legitimate privacy reasons, their ability to obfuscate transactions makes them attractive to criminals.
Similarly, privacy coins such as Monero and Zcash, which employ advanced cryptographic techniques to hide transaction details, have been favored by money launderers. These tools are not inherently illegal, but their misuse in laundering schemes has raised alarms among regulators and law enforcement agencies.
While the crypto community has long defended the creators of privacy-focused tools, arguing that such technologies can serve legitimate purposes, the legal landscape is shifting. The developers of TornadoCash, a mixer linked to criminal activities, were sanctioned by the U.S. government in 2022, and other crypto developers face similar threats.
Legal experts and advocates argue that building tools that can be used for both legitimate and criminal activities should not automatically make developers culpable for illegal uses. However, prosecutors are increasingly holding them accountable, as evidenced by the charges facing the creators of Samourai Wallet, a tool used by criminals in the Silk Road and Hydra marketplaces.
The Regulatory Response: Can Crypto Be Safeguarded?
As cryptocurrencies grow in popularity, so does their regulation. In 2023, regulators in major markets such as the U.S. and the European Union began implementing stricter measures to curb the use of crypto in criminal activities. These regulations target not just crypto exchanges but also the tools used for laundering money, such as mixers and privacy coins.
The European Union’s MiCA (Markets in Crypto-Assets) regulations and the U.S. Treasury’s anti-money laundering (AML) initiatives aim to provide clearer frameworks for crypto operations while reducing illegal activities. However, with the continuous evolution of criminal tactics, many experts believe that these efforts are only scratching the surface.
As the global regulatory landscape tightens, crypto exchanges and developers must step up their compliance efforts. Companies in the space are already investing heavily in compliance tools that can trace and report illicit transactions. However, as evidenced by the Bybit hack, it remains a challenge to catch all instances of money laundering, particularly when mixers and cross-chain bridges are involved.
Is Crypto Money Laundering on the Rise?
While the volume of crypto used for money laundering has fluctuated, there are signs that illicit activity may still be increasing. According to Chainalysis, while the overall crypto transaction volume dropped in 2023, the level of criminal activity remained relatively stable. This suggests that while regulation and innovation are making it harder for criminals to use crypto, the battle is far from over.
The use of mixers, privacy coins, and decentralized exchanges remains a persistent challenge for law enforcement. As criminal enterprises become more sophisticated and professionalized, the tools available for laundering money will likely continue to evolve. For now, the question remains: will the growing regulation be enough to curb the use of crypto in illicit activities, or will the cat-and-mouse game between regulators and criminals continue?
The Battle for Crypto’s Future
As cryptocurrencies continue their path toward broader adoption, the issue of money laundering remains a significant concern. While strides are being made to regulate the space and prevent illegal activity, the rise in the use of mixers, privacy coins, and cross-chain bridges suggests that criminals will continue to exploit crypto for illicit purposes.
The recent Bybit hack serves as a stark reminder of the challenges that remain in combating money laundering in the crypto space. While blockchain analytics tools and regulatory measures are improving, the rise of sophisticated money laundering techniques suggests that the battle is far from over.
Crypto’s future depends on finding a balance between innovation and regulation. Until then, both the industry and regulators must remain vigilant in their efforts to prevent the misuse of this revolutionary technology.
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