Bip39 bip44 compatible software wallet https://archerujcb329.tearosediner.net/comprehending-the-function-of-bip39-in-copyright-pocketbooks Checksum creation: A checksum is generated from this entropy applying SHA-256 hashing, which helps confirm the mnemonic's integrity afterwards. For words that only have 3 letters, there is absolutely no 4th letter. As an example Along with the word... https://bookmarkextent.com/story22530879/bip39-seed-phrase-about-bip39-2048-words-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw