Passphrases are a little bit of a tough concept. By default, some copyright wallets disable using the optional passphrase. Although it can include some security, it also provides complexity. Should you set a passphrase, your backup tactic has just gotten a lot more sophisticated: you now have two essential pieces http://andersonsaeu988.iamarrows.com/from-mnemonics-to-safety-and-security-recognizing-bip39-passphrases-and-their-significance-in-copyright