Bip39 Word List Bitcoin. From this place forward the seed may be created on paper or spoken around phone and this opened up new, Actual physical ways of backing up the seed (many paper copies in different areas, tough copies on steel plates with extra protection from fireplace/flood etc.). The https://thebookmarknight.com/story18554772/ton-wallet-seed-phrase-generator-bip39-mnemonic-to-private-key-fundamentals-explained