Mnemonic Seed Phrase Generator. From this place forward the seed might be published on paper or spoken above phone which opened up new, physical means of backing up the seed (multiple paper copies in several places, tough copies on steel plates with additional security from fire/flood and many others.). These https://israelkvgqa.mywikiparty.com/1112077/the_anatomy_of_the_bip39_phrase_entropy_text_and_protection