Bip39 checksum calculator https://send.now/zchzg5fu4oku The final action of BIP-39 is building the actual binary seed that is then employed as a master crucial in BIP-32 deterministic wallet or working with other methods. For words that only have three letters, there's no 4th letter. One example is Together with the word https://bookmarkport.com/story22622880/bip39-ledger-everything-about-bip39-word-list-txt-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw