When backing up your mnemonic phrase, we strongly propose using physical media, for instance writing around the mnemonic phrase card or even a metallic board like the SafePal Cypher. It's also possible to continue to keep multiple back again-ups of it. - Lưu trữ Seed Phrase trên thiết bị điện https://reallivesocial.com/story4589744/top-guidelines-of-bip39-word-list-pdf