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IRS Warns of Mail-Based Phishing Targeting US Crypto Users

IRS Warns of Mail-Based Phishing Targeting US Crypto Users

First seen 23 Aug 2026, 05:30 UTC • •

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ThreatCluster AI
ThreatCluster •August 24, 2026 at 05:16 UTC
  • •The IRS warns of counterfeit letters impersonating the agency sent to US crypto users.
  • •Fake letters contain QR codes that lead to spoofed websites designed to harvest sensitive information.
  • •Users are advised to be cautious and to freeze accounts if they suspect phishing attempts.

The IRS has issued a warning about a mail-based phishing campaign targeting cryptocurrency holders in the US. Hackers are sending counterfeit letters that impersonate the IRS, containing QR codes designed to harvest sensitive wallet credentials and private keys. The letters falsely claim that recipients must register their crypto holdings by a specific deadline and instruct them to enroll in a non-existent 'Digital Asset Compliance Portal.' The IRS emphasizes that it will never request private keys or ask users to scan QR codes in unsolicited communications. This warning comes during a notable crypto market rally, which may distract users and increase their vulnerability. Crypto users are advised to be cautious and to freeze their accounts if they suspect they've fallen victim to the scam.

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Timeline

2026-08-22
IRS issues warning about phishing campaign
The IRS publicly warned about counterfeit letters targeting US crypto users, emphasizing the dangers of scanning QR codes.
Coinedition
2026-08-22
Phishing campaign details revealed
The counterfeit letters claim users must register crypto holdings and contain malicious QR codes.
Cryptorank

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