Roman Storm, founder of the Tornado Cash privacy tool, has warned that open-source developers may face retroactive criminal risk from US prosecutors for building non-custodial finance software.

His message has echoed through the crypto community as his own legal fight moves forward. Reports have disclosed a mixed jury outcome in Manhattan and a high-stakes debate over whether publishing code can amount to running a money-transmitting business.

Storm asked DeFi developers: “How can you be so sure you will not be charged by the Justice department as a money service business for building a non-custodial protocol?”

Developers Warned Of Retroactive Risk

According to court filings and public statements, Storm argued that US law gives little protection to people who publish software that ot

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