Passphrases are a little bit of a tricky concept. By default, some copyright wallets disable using the optional passphrase. Even though it can increase some security, Additionally, it provides complexity. In case you set a passphrase, your backup technique has just gotten a lot more complex: you now have two https://bookmarklinking.com/story5019483/a-secret-weapon-for-bip39-words-to-numbers