Bip39 root key https://www.4shared.com/s/fAf7kF4dLku Let's believe It's going to be 10x faster compared to GFX card earlier mentioned so roughly two,4M hashes/s. A standard attacker will own several this kind of specialised units. Compared with standard wallets derived solely from the seed phrase, passphrase-guarded wallets are hidden from basic sight. https://wiishlist.com/story20541013/bip39-gpu-5-tips-about-bip39-checksum-you-can-use-today-https-cutt-ly-uryc5rw7