Hardware Wallet Working Principles — Transaction Signing & Security
When you send a transaction from a hardware wallet, the sensitive step — signing — happens inside a dedicated chip, not on your connected computer or phone.
Typical signing flow
1) Your wallet software builds an unsigned transaction. 2) The transaction is sent to the device. 3) The device shows the details on its screen. 4) You review and approve. 5) The device signs inside the secure chip and returns only the signed transaction.
Why this matters
Even if the computer is infected with malware, the signer cannot exfiltrate the private key. You still need to read the on-device screen carefully before approving — that's the last line of defence.
Safety reminder: Never share your recovery phrase, PIN, or verification codes with anyone. Always verify using the device screen. Use only official channels to download apps and install updates.
