Why an Update Can't Fix Trezor and KeepKey Vulnerability (And What You Can Do About It)

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Why an Update Can't Fix Trezor and KeepKey Vulnerability (And What You Can Do About It)
# Here's what you should know about Trezor and KeepKey security and how you can improve it:

https://youtu.be/h-YkkSSkaNk


Additional Reading/Links:

[Blog Detailing the Extraktor](https://ledger-donjon.github.io//Unfixable-Key-Extraction-Attack-on-Trezor/)

[How to Add Passphrase on Trezor](https://blog.trezor.io/seed-pin-passphrase-e15d14a0b546)

[Video on multi-passphrase on Trezor here](https://www.youtube.com/watch?v=212NH5xfVrc)

[How to Add Passphrase on KeepKey](https://blog.cryptocoin.cc/2019/05/26/guide-how-to-enable-and-a-bip39-passphrase-with-keepkey-to-increase-your-security/)

[Restoring KeepKey](https://www.reddit.com/r/keepkey/comments/5mmmhe/using_passphrase_with_keepkey/)
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