Bip39 passphrase https://blogfreely.net/travenmdoq/create-your-own-distinct-bip39-mnemonic-expression-with-python-scripts It can be very important which the mnemonic sentences are produced from randomly selected quantities! These numbers could be created in a variety of various ways, which might be explained in other articles or blog posts below, like "Exactly what is an RNG" and Seed... https://lingeriebookmark.com/story9744877/bip39-trezor-helping-the-others-realize-the-advantages-of-bip39-recovery-tool-https-cutt-ly-uryc5rw7