The U.S. Supreme Court has dismissed an appeal by Coinbase user James Harper against the IRS, allowing the tax agency to continue accessing user data from third-party platforms like Coinbase. Harper argued that the IRS violated his privacy rights under the Fourth Amendment by requesting user information from Coinbase without a warrant. However, the Supreme Court rejected his appeal without providing any explanation for their decision. This ruling has significant implications for cryptocurrency users in the United States. It confirms that the IRS has the legal authority to obtain user data from cryptocurrency exchanges and platforms, even if users argue that their Fourth Amendment rights are being violated. The decision also sets a precedent for future cases involving the IRS and cryptocurrency exchanges. The Supreme Court's dismissal of Harper's appeal leaves a gap in the legal landscape regarding privacy rights and cryptocurrency. While the IRS has the power to access user data from third-party platforms, the lack of a clear legal framework surrounding cryptocurrency and privacy rights raises concerns for users who value their privacy. In light of this ruling, cryptocurrency users in the United States should be aware that their data may be accessible to the IRS without a warrant. They should also consider taking steps to protect their privacy, such as using privacy-focused cryptocurrencies or taking advantage of the IRS's voluntary disclosure program for unreported cryptocurrency transactions.