Bip39 Dart. From this position forward the seed might be published on paper or spoken over phone which opened up new, Bodily ways of backing up the seed (several paper copies in several places, tough copies on steel plates with added security from fire/flood and many others.). The whole process https://cruxbookmarks.com/story18597970/bip39-generator-online-the-single-best-strategy-to-use-for-bip39-english-word-list