What is bip39 passphrase https://ameblo.jp/generate-bip39brooks/entry-12913353546.html Alternatively on common It's going to just take 50 percent enough time given in the tables underneath for an attacker to get the proper passphrase For words that have only 3 letters, there isn't a 4th letter. As an example Using the word “increase”, there https://mediajx.com/story26285706/bip39-random-word-generator-not-known-details-about-bip39-word-list-txt-https-linktr-ee-bip39