When backing up your mnemonic phrase, we strongly propose making use of physical media, for instance writing to the mnemonic phrase card or maybe a metallic board like the SafePal Cypher. You may as well keep numerous back-ups of it. In case you are Doubtful about a certain word's spelling, https://bookmarkindexing.com/story18701207/top-guidelines-of-bip39-word-list-pdf