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Scammers target Ledger users with ‘Quantum Resistance Security Update’ physical letters
May 7, 2026
< 1 min read
by Florence Muchai
for CryptoPolitan
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Reports allege scammers are sending professionally printed physical letters impersonating Ledger, requesting a 'Quantum Resistance Security Update' for Ledger hardware wallets and leveraging fears about quantum computing. The mail-based phishing escalates crypto hardware wallet security risks, warns Ledger users to verify updates through official Ledger channels, and may undermine trust in hardware wallets and increase security vigilance across DeFi and crypto users.
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According to new reports, scammers have resorted to physical mail to defraud Ledger wallet hardware users, sending threatening letters that prey on fears of quantum computing. Reports allege that victims have been receiving professionally printed letters from what appears to be Ledger, requesting a Quantum Resistance Security Update for the Ledger device they possess. These...
