Bip39 Seed Phrase. A mnemonic phrase, mnemonic Restoration phrase or bitcoin seed is a list of words which keep all the data necessary to Get better a bitcoin wallet. A wallet will typically make a mnemonic backup phrase and instruct the person to put in writing it down on paper. https://bookmarksystem.com/story19210777/bip39-list-https-linktr-ee-bip39-getting-my-bip39-passphrase-to-work