Bip39 generator https://papaly.com/1/eMEf Let us presume It'll be 10x more quickly compared to the GFX card earlier mentioned so roughly 2,4M hashes/s. A normal attacker will possess a handful of this sort of specialised devices. BitBox02 - A successor towards the BitBox series, this hardware wallet supports BIP39 seed phrases https://madbookmarks.com/story20143243/bip39-mnemonic-github-the-definitive-guide-to-bip39-converter-https-t-me-bip39-chat