When backing up your mnemonic phrase, we strongly advise using physical media, for example writing within the mnemonic phrase card or simply a metallic board including the SafePal Cypher. You can even preserve various back-ups of it. - Lưu trữ Seed Phrase trên thiết bị điện tử: Một sai lầm https://bookmarkingbay.com/story19595659/getting-my-bip39-words-to-numbers-to-work