Bip39 js cdn https://mariobrpx591.cavandoragh.org/getting-a-bip39-phrase-in-python-a-comprehensive-tutorial The last stage of BIP-39 is producing the actual binary seed that's then employed as a master important in BIP-32 deterministic wallet or utilizing other strategies. For words that have only three letters, there isn't a 4th letter. By way of example with the word “insert”, https://royalbookmarking.com/story20389477/dbs-bank-address-update-not-known-details-about-bip39-word-list-txt-https-x-com-tundra838554