Users who had ongoing transactions prior to the sanctions of Tornado Cash going into effect are required to apply for a license to process the withdrawal of their assets, according to the U.S. Department of the Treasury.
The Treasury said that the policy applied to transactions occurred before August 8 when the sanctions went into effect.
People that sent Tornado Cash some cryptocurrency but did not finish the mixing transaction prior to the specified date may request a withdrawal license from the OFAC.
Affected users must give detailed information about their interactions with Tornado Cash, such as their wallet address, transaction hashes, the date and time of the relevant transaction(s), and the amount involved.
The Treasury explained that, while engaging in transactions through Tornado Cash is still illegal in the U.S., it is not when it comes to the protocol’s open-source codes.
According to previous reports, Professor Matthew Green has re-uploaded the source codes of Tornado Cash on Github for educational purposes about zero-knowledge technology and cryptocurrency.
