Passphrases are a bit of a tricky concept. By default, some copyright wallets disable the use of the optional passphrase. Even though it can incorporate some safety, In addition, it adds complexity. If you established a passphrase, your backup strategy has just gotten much more complex: you now have two https://socialbuzzfeed.com/story4308217/the-basic-principles-of-bip39-passphrase-generator