Passphrases are a bit of a tough concept. By default, some copyright wallets disable using the optional passphrase. Even though it can increase some security, it also provides complexity. In case you set a passphrase, your backup strategy has just gotten additional challenging: you now have two essential parts of https://thebookmarkfree.com/story19034780/the-ultimate-guide-to-bip39-seed-phrase-mnemonics-generator