Furthermore, BIP39 defines the passphrase alternative, that adds a average amount of additive safety in case your seed phrase is stolen or or else accidentally uncovered. Nevertheless, Additionally, it adds some threat, so it is suggested for more expert buyers. - Lưu trữ Seed Phrase trên thiết bị điện tử: https://www.mediafire.com/file/qad32ryob76naol/pdf-7033-8222.pdf/file