Bip39 Passphrase Optional. From this position ahead the seed may very well be published on paper or spoken over phone and this opened up new, Bodily means of backing up the seed (a number of paper copies in different areas, durable copies on metallic plates with further security from hearth/flood https://hotbookmarkings.com/story18654884/bip39-bip44-compatible-software-wallet-the-definitive-guide-to-seed-phrase-generator-for-trust-wallet