Keystone Bip39. It wasn’t perfect from a person encounter standpoint to say the minimum. People would typically situations fail to remember to backup their wallet file or they did again it up but then the backup would get lost since it was saved on Digital devices which would fall short https://rivertjwmz.robhasawiki.com/10973899/the_anatomy_of_a_bip39_phrase_entropy_phrases_and_stability