Bip39 Standalone. From this place forward the seed might be penned on paper or spoken in excess of phone and this opened up new, Actual physical ways of backing up the seed (multiple paper copies in different areas, long lasting copies on steel plates with additional security from fire/flood and https://finances-publiques92581.bimmwiki.com/10526270/the_anatomy_of_the_bip39_phrase_entropy_terms_and_safety