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Storm Verdict Intensifies Debate on Crypto Developer Safe Harbor
Storm's conviction creates a concrete legal risk for non-custodial developers. Section 604 of the CLARITY Act would provide a safe harbor, but the bill remains in committee with no markup date set.
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Roman Storm, co-founder of the crypto mixer Tornado Cash, was convicted on August 6, 2025, for operating an unlicensed money transmission business. The case has pushed the CLARITY Act’s Section 604 into sharper focus. That provision would create a federal safe harbor for non-custodial developers like Storm, exempting them from classification as money transmitters.
Section 604 addresses a gap in current law: whether a developer who writes and maintains open-source software can legally transmit money. Storm never held user funds. Prosecutors argued his role in designing and updating the protocol satisfied the definition anyway. The jury agreed.
Supporters of the safe harbor say the verdict proves existing rules punish innovation. Without a clear exemption, they argue, developers of privacy tools, decentralized exchanges, and non-custodial wallets face prosecution simply for writing code. Critics contend the conviction shows enforcement works and a safe harbor could open the door to unchecked illicit finance. Both sides now cite the Tornado Cash case as evidence.