Bip39 Ian Coleman. It is really basic — if you don't worry about copyright inheritance, no one else will — not your program or components wallet distributors, not your exchanges, instead of your wealth administrators. And not using a passphrase, your funds are only as protected as your seed phrase. https://bookmarkextent.com/story20390540/ian-coleman-bip39-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work