Bip39 Mnemonic Algorithm Some words are shorter than 4 letters, like the word “act”. Other words are lengthier than four letters, including “abstract”. Many persons create the phrases on paper, but they can be stored in a number of other methods: remembered, composed down about the margin of a book, https://one-bookmark.com/story18569624/bip39-numbers-not-known-facts-about-bip39-phrase