Bip39 history https://hubpages.com/@lefwenuuyr Let us think It's going to be 10x speedier compared to GFX card earlier mentioned so roughly 2,4M hashes/s. A normal attacker will own several these specialised devices. Compared with standard wallets derived exclusively from the seed phrase, passphrase-safeguarded wallets are concealed from plain sight. They exist https://bip39marco.mystrikingly.com/