Historical retrospective · Policy

U.S. sanctions on Tornado Cash prompted a debate over code and control

In August 2022 the U.S. Treasury sanctioned Tornado Cash-related addresses, prompting litigation and scrutiny of how sanctions law applies to decentralized software.

Event / milestone year: 2022First published

The case raised questions about the line between software, governance, smart contracts and people who control or use them.

The action became a major reference point for privacy tools and protocol governance.

Sanctions designations, later court rulings and current obligations must be evaluated by date and jurisdiction; this page is historical context, not legal advice.

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U.S. Treasury announcement ↗