Bip39 mnemonic checksum https://www.gamespot.com/profile/pothirpeib/ 3a43fced052690635cc9fdce418514528b000dff3eaa5b986ea7be809062e775f2fe99c76733ff200b56fb70cac7c6ac7818b1e8139192a70fe274f5bf57fa46 For words that only have 3 letters, there is no 4th letter. By way of example with the word “insert”, there won't be any extra letters afterwards and so has to be the word "increase". The w... https://bookmarktune.com/story20077100/electrum-bip39-passphrase-the-single-best-strategy-to-use-for-bip39-word-list-pdf-https-x-com-tundra838554