Bip39 Dotmap Or for incredibly substantial safety, you could potentially "roll your own private" seed phrase with dice or possibly a calculator as offline approaches. Backup: Once generated, the seed phrase is displayed to the user, who is instructed to write it down and retailer it in a safe area. https://bookmarkfriend.com/story18545164/phrases-with-bit-indicators-on-bip39-phrase-you-should-know