Prosecutors Cite Bitcoin Fog Ruling Against Roman Storm's Venue Challenge

The Noose Tightens on Code

Legal battles in the crypto space usually follow a predictable pattern. There is a lot of posturing about decentralization, followed by a slow grind through the court system where old laws are stretched to fit new tech. But the latest development in the case against Tornado Cash co-founder Roman Storm feels different. It feels like a coordinated closing of the gates.

U.S. prosecutors are now leaning on a recent ruling from the Bitcoin Fog case to shoot down Storm's attempt to change the venue of his trial. For those not following the legal minutiae, Bitcoin Fog was a custodial mixing service, and its operator, Roman Sterlingov, was recently convicted. The government is trying to draw a straight line between a custodial service where a human managed the keys and a decentralized protocol where the founders claimed they had no control. It is a dangerous precedent for anyone building in the open-source space.

The Venue Trap

Storm's legal team has been pushing to move the trial out of New York, arguing that the connection to the district is flimsy at best. Prosecutors aren't having it. By citing the Sterlingov case, they are arguing that if a service is accessible to residents in a specific area and used for illicit purposes there, the founders are on the hook in that jurisdiction. This effectively means that if you release code on the internet, you are technically operating in every jurisdiction at once.

For founders, this is the ultimate nightmare. You build a tool, you deploy it to a global audience, and suddenly you are subject to the specific legal interpretations of a prosecutor in a district you have never visited. The government’s logic is that since Tornado Cash was used by the Lazarus Group and other bad actors who touched U.S. financial systems, the location of the developers doesn't matter. The crime, in their eyes, happened everywhere the money moved.

The FinCEN Contradiction

Storm isn't sitting quietly. He recently pointed out a massive inconsistency in the government’s approach. FinCEN, the financial crimes enforcement arm, recently pulled back on a proposed rule that would have forced mixers to follow strict reporting requirements. Why did they pull it? Because of massive pushback that the rule was too broad and would essentially kill legitimate privacy tools and discourage innovation.

It is a classic case of the right hand not knowing what the left hand is doing—or worse, knowing exactly what it’s doing and choosing to apply pressure from both sides. While one agency admits that over-regulating mixers could stifle legitimate activity, the DOJ is simultaneously trying to treat the creation of that very software as a criminal enterprise. As a builder, how are you supposed to navigate that? You are being told by one group that your tech is too complex to regulate fairly, while another group is trying to put you in a cage for building it.

The Myth of Neutrality

We have long lived under the assumption that code is speech. If I write a math equation and put it on a chalkboard, I am not responsible for how someone uses that equation. But the DOJ is successfully arguing that crypto protocols are not just math; they are financial institutions. By citing Bitcoin Fog, they are intentionally blurring the lines between a guy holding your money (custodial) and a smart contract executing logic (non-custodial).

The prosecutors are betting that a jury won't care about the difference. To a layman, a mixer is a mixer. Whether it’s a centralized server in a basement or a decentralized script on Ethereum doesn’t change the fact that bad guys used it to hide money. This is where the founder perspective gets messy. We want to believe that decentralization protects us, but the legal system is increasingly proving that it doesn't care about your whitepaper’s definition of 'decentralized.'

What This Means for the Next Wave

If you are building a privacy-focused protocol today, you have to assume that the 'Tornado Cash defense' is dead. The idea that you can just 'set it and forget it' and claim no responsibility for the downstream effects is being dismantled in real-time. The government is essentially demanding that developers build in backdoors or KYC requirements, even if the tech isn't designed to support them.

This creates a massive barrier to entry. Only the most well-funded or the most reckless will continue to build in the privacy sector. The mid-tier developer who just wants to improve user privacy is going to look at Roman Storm’s situation and decide it’s not worth the risk. We are seeing the 'chilling effect' that FinCEN warned about happening through the judicial system instead of through formal regulation.

The Long Game

The outcome of Storm's trial will set the tone for the next decade of American crypto development. If the Bitcoin Fog precedent holds and is applied to non-custodial tools, the United States will effectively become a dead zone for privacy tech. Developers will move offshore, but even then, as we see with this venue challenge, the DOJ will argue that if a single packet of data touched a U.S. server, you are under their thumb.

We need to stop pretending that decentralization is a legal shield. It is a technical architecture, nothing more. The courts are making it very clear that they will look past the code to find the people who wrote it. For Roman Storm, the battle is now about whether the law can distinguish between a tool and its user. If the answer is no, then every developer is essentially a co-conspirator in their users' actions.

Takeaway

The DOJ is using custodial precedents to crush non-custodial developers. The legal distinction between 'holding money' and 'writing code' is evaporating. If you are building in crypto, your code is no longer just speech—it is a liability that follows you into every jurisdiction on the planet.

Read the original at Decrypt →