Bip39 Seed Generator. From this position forward the seed may very well be prepared on paper or spoken over telephone and this opened up new, Actual physical means of backing up the seed (multiple paper copies in several areas, tough copies on metallic plates with additional security from hearth/flood etc.). https://socialmediastore.net/story19176155/seed-phrase-word-list-the-basic-principles-of-bip39-recovery-phrase