For years, executives at France-based Ledger have boasted their specialized hardware for storing cryptocurrencies is so securely designed that resellers or others in the supply chain can't tamper with the devices without it being painfully obvious to end users. . The reason: "cryptographic attestation" that uses unforgeable digital signatures to ensure that only authorized code runs on the hardware wallet.. Unexpectedly, Trezor's highly regarded hardware wallet encountered a security compromise stemming from a significant vulnerability within its architecture and implementation.. Ledger Hardware Wallet, Cryptographic Attestation, Digital Signatures, Security Breach. . LinuxSecurity.com Team
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