Bip39 Wallet. The passphrase just isn't chosen in the predefined list of 2048 words – it may be any word or phrase you select. Mnemonics are representation of entropy. First step entails creating a choice regarding how much entropy you think about Secure on your operations. Believe, for now you https://socialtechnet.com/story5066134/bip39-wallets-https-linktr-ee-bip39-bip39-words-fundamentals-explained