Trezor Suite
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How passphrase encryption works in Trezor Suite:
What is a Passphrase?
A passphrase is an advanced security feature that can be used to protect your cryptocurrency accounts. When enabled, your Trezor device prompts you to enter a secret phrase in addition to your numeric PIN every time you connect the device.
How It Works:
When you enter a passphrase, your Trezor combines the existing randomness of your recovery seed (the 24-word backup phrase) with your chosen input (the passphrase itself). This combination generates a completely new wallet.
Think of the passphrase as an extension of your recovery seed. Unlike the randomly generated seed, the passphrase is chosen by you. It acts as a “salt” in the process of deriving your accounts from the seed.
The passphrase irreversibly modifies the structure of your original seed, creating a new wallet tied to your original recovery seed.
Creating a Strong Passphrase:
Your passphrase can be any word, phrase, set of letters, or even a sentence, up to 50 characters long.
Passphrases are case-sensitive.
Entering an “empty” passphrase allows access to the original seed-only wallet.
Practical Example:
Let’s say you’ve been using your PIN-protected Trezor to secure cryptocurrencies. Now, you decide to enhance security by adding a passphrase.
To enable passphrase protection:
Visit Trezor Suite and connect your device.
Open the Settings menu, go to the Device tab, and enable the passphrase feature.
Enter your chosen passphrase when prompted.
Each time you connect your Trezor, you’ll need both the PIN and the passphrase to access your wallet.
Remember that diligence is essential when setting up and using a passphrase. Keep your recovery seed and passphrase safe, and never share them with anyone!
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