Bip39 light http://www.mediafire.com/file/uilrjfajg2ami24/pdf-14673-57158.pdf Let us think it will be 10x a lot quicker as opposed to GFX card previously mentioned so around two,4M hashes/s. A normal attacker will have a number of this sort of specialised units. BIP39 improves wallet protection by earning backups reliable, effortless, and immune to problems. https://giphy.com/channel/ebliciwsah