But can hardware wallets be hacked? Yes, hardware wallets can be hacked or compromised. This is clear proof that a hardware wallet’s security depends on more than whether the device connects to the internet. Examples of Coldcard hardware walletsColdcard, for example, is a Bitcoin-only hardware wallet that offers air-gapped transaction signing, secure elements and verifiable firmware. Hardware wallets are still a strong security option when correctly manufactured, audited, configured and used.