The cryptocurrency protection group DeFi Education Fund (DEF) called on the US court to take into account the unique aspects of blockchain technology when assessing the privacy rights of cryptocurrency users in accordance with the Fourth Amendment.

#DEF filed amicus in the U.S. Court of Appeals (First Circuit), supporting James Harper's appeal against the IRS as part of the fight to ensure that the U.S. government does not have unfettered access to the user's transaction history on cryptocurrency.

Harper was one of 14,355 #Coinbase users whose data was transferred by the exchange to the IRS. After a court ruling in 2017, which triggered a fight for stricter digital privacy rights.