Bip39 mnemonic phrase tool https://www.gamespot.com/profile/pothirpeib/ Checksum creation: A checksum is produced from this entropy working with SHA-256 hashing, which allows validate the mnemonic's integrity later on. Mainly because including a passphrase to the seed words generates a new wallet, some other passphrase you enter (which include a passphrase entered incorrectly) https://bookmarkshome.com/story6406436/bip39-possible-combinations-about-bip39-2048-words-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw