Two co-founders of Tornado Cash, a cryptocurrency mixer service, have been charged with conspiracy to commit money laundering, sanctions violations, and operating an unlicensed money-transmitting business. The founders, Roman Storm and Roman Semenov, are accused of facilitating over $1 billion in money laundering transactions, with links to a North Korean cybercrime group. These charges highlight the increasing regulatory focus on the use of cryptocurrencies for illicit activities.

The Allegations and Investigation of Tornado Cash’s Co-Founders

Roman Semenov, Co-Founder Of Tornado Cash (Source: Podchaser)
Roman Semenov, Co-Founder of Tornado Cash (Source: Podchaser)

The Department of Justice (DOJ) revealed that Roman Storm and Roman Semenov, two of the three founders of Tornado Cash, allegedly created, operated, and promoted the cryptocurrency mixer service. This service allowed users to conduct untraceable transfers of cryptocurrency, making it attractive to criminals seeking to launder proceeds from illegal activities. Despite the claims of providing privacy, the founders did not implement the required know-your-customer (KYC) and anti-money laundering (AML) programs. This failure enabled the service to launder more than $1 billion in criminal proceeds.

Related: Tornado Cash Hackers Used the Platform to Mask Loot

Roman Storm (On The Right) - Source: X
Roman Storm (on the right) – Source: X

The indictment indicates that the Tornado Cash service was exploited by the Lazarus Group, a North Korean cybercrime organization sanctioned by the US, to launder hundreds of millions of dollars obtained through hacking. Storm and Semenov were aware of these sanctions-violating transactions, yet they continued to operate the service without implementing controls to prevent such activities. They even attempted to appear compliant with sanctions while continuing to facilitate illicit transactions.

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Escalating Actions and Legal Battles

Source: Sc Magazine
Source: SC Magazine

The case gained momentum as various US agencies, including the US Attorney for the Southern District of New York, the Attorney General, the FBI, and the IRS’ criminal division, joined forces in the investigation. Roman Semenov, in addition to being charged, was included in the Office of Foreign Assets Control (OFAC)’s specially designated nationals list, marking an escalation in the US government’s efforts to clamp down on Tornado Cash-related activities.

Read more: Live Update: The SBF vs US DoJ Trial Overview

The legal battle involving Tornado Cash reached a pivotal point when a judge ruled in favor of the Treasury’s authority to sanction the crypto mixer. This decision enabled OFAC to sanction Tornado Cash as an entity and target the co-founders individually. The judge’s ruling emphasized that the decentralized nature of the entity did not exempt it from regulatory scrutiny. This marked a significant victory for the regulatory authorities, preserving their ability to take action against such services.


The charges brought against the co-founders of Tornado Cash underscore the growing concern over the misuse of cryptocurrencies for money laundering and sanctions violations. The case also highlights the collaborative efforts of various US agencies in tackling cybercrime and financial fraud in the digital realm. As governments continue to strengthen their regulatory frameworks for cryptocurrencies, the case serves as a reminder that no one is beyond the reach of the law, even in the world of decentralized finance.

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