Ledger Says Tangem Cards Can Be Brute-Forced Faster, Wallet Maker Disagrees

TLDR: Ledger Donjon researchers revealed Tangem cards allow unlimited PIN guesses using a tearing attack technique. The flaw bypasses security delays, enabling 2.5 password attempts per second instead of days of waiting. Tangem responded, saying the attack is impractical due to chip endurance limits and required lab equipment. Security experts urged users to set long, [...]

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