Better Keep Cash in Your Boots - Hardware Wallets are the New Single Point of Failure
Adrian Dabrowski, Katharina Pfeffer, Markus Reichel, Alexandra Mai, Edgar R. Weippl, Michael Franz · 2021
Hardware wallets are currently considered the most secure way to manage cryptocurrency keys and sign transactions. However, previous publications show that such tokens can be replaced or manipulated in a number of hard-to-detect ways pre- or post-delivery to the user and that implemented (remote) attestation and authenticity checks fail their purpose for multiple reasons.