Side channel attacks for private key on Cold Card: is password the best defense?
https://ift.tt/32qVdS7
I skimmed this article about how someone used a side channel attack to extract private keys from a hard wallet (Trezor):
[https://jochen-hoenicke.de/crypto/trezor-power-analysis/](https://jochen-hoenicke.de/crypto/trezor-power-analysis/)
What are the risks that could succeed on a Cold Card? I have just a basic passphrase, because I feel I am more at risk of misplacing/forgetting it.
Would storing the passphrase (a more complex one) in like 1Password be safer as long as I kept the wallet physically secure?
Cryptocurrency
