Passphrases are some a difficult idea. By default, some copyright wallets disable using the optional passphrase. Although it can increase some protection, Additionally, it provides complexity. Should you set a passphrase, your backup approach has just gotten more complex: you now have two important pieces of data (your mnemonic sentence https://bookmarkmargin.com/story18852085/an-unbiased-view-of-bip39-seed-phrase-github