Bip39 random word generator https://www.empowher.com/user/4550298 Let's think it will be 10x more quickly compared to the GFX card above so roughly 2,4M hashes/s. A normal attacker will own a couple of this kind of specialised products. Mainly because adding a passphrase on your seed words creates a whole new wallet, https://travialist.com/story10433660/bip39-ethereum-wallet-5-simple-statements-about-bip39-converter-explained-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw