Friday, June 20, 2025

Coinbase Records Fight: US Government Rejects Crypto User’s Supreme Court Appeal

The US government urges the Supreme Court to deny a Coinbase user's challenge against IRS access to crypto transaction records.

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Coinbase Records Fight: US Government Rejects Crypto User’s Supreme Court Appeal

IRS vs. Coinbase: A Battle for Crypto Data

The legal battle over cryptocurrency transaction records continues to escalate. In a recent development, the US government has urged the Supreme Court to reject a Coinbase user’s challenge to the Internal Revenue Service (IRS)’s ability to access his trading history. This case, involving Coinbase user James Harper, brings into sharp focus the interplay between user privacy, government oversight, and the evolving legal landscape surrounding digital assets.

Government’s Position: No Privacy Expectation

The government’s stance, articulated by Solicitor General D. John Sauer in a May 30th filing, hinges on the argument that Harper voluntarily shared his financial information with Coinbase. Therefore, the government contends, he lacks a Fourth Amendment right to shield these records from IRS scrutiny. They claim the IRS followed established legal procedures, obtaining the data through a judicially approved summons. This position relies heavily on existing Supreme Court precedent, citing cases like United States v. Miller, which establishes that individuals generally don’t have a reasonable expectation of privacy in records held by third parties, such as financial institutions. The government’s argument also points to Coinbase‘s own privacy policy, which explicitly warns users that their information may be shared with law enforcement agencies.

An excerpt of the filing. Source: Supreme Court
An excerpt of the filing. Source: Supreme Court

Background: Tax Evasion Concerns

This case originated from a 2016 IRS investigation into widespread underreporting of cryptocurrency gains. The agency observed a significant disparity between the number of Coinbase users trading Bitcoin and the relatively few taxpayers who reported crypto-related profits. The IRS responded by issuing a “John Doe” summons, compelling Coinbase to provide records of high-volume traders. Harper, a Bitcoin trader during the period in question, subsequently sued, arguing the IRS‘s actions constituted an unconstitutional search. Lower courts sided with the IRS, classifying Coinbase‘s records as business documents, not Harper’s private papers. The government’s position emphasizes this legal interpretation.

Implications for Crypto Users

If the Supreme Court denies the case, the lower court’s ruling in favor of the IRS will stand. This reinforces the message that crypto users have a limited expectation of privacy when dealing with centralized exchanges like Coinbase. The decision has far-reaching implications for how the IRS and other regulatory bodies can access and monitor crypto transactions. Moreover, it highlights the importance of understanding and managing one’s tax obligations related to cryptocurrency trading. Users should be aware of their responsibility to report all gains accurately and comply with tax laws.

Coinbase‘s Troubles and Data Breaches

This legal challenge comes at a time when Coinbase is already facing scrutiny. In May, the exchange disclosed a data breach, where attackers bribed customer support staff to access sensitive user data, including names, account balances, and transaction histories. The breach affected approximately 1% of monthly active users and led to multiple lawsuits alleging inadequate security measures. This breach underscores the vulnerability of centralized exchanges and the ongoing risks to user data. While the government is fighting for access to records, Coinbase’s data security is under the spotlight.

The Road Ahead

The Supreme Court has yet to decide whether to hear Harper’s case. If the court declines, the IRS‘s ability to access user data will likely remain unchallenged. The outcome will set an important precedent for the future of cryptocurrency regulation, user privacy, and government oversight in the digital asset space.

Sarah Walker
Sarah Walker
Sarah Walker is an educator dedicated to demystifying cryptocurrency for beginners. Her clear and concise guides, glossaries, and tutorials empower newcomers to confidently engage with the crypto space.

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