Bip39 test vectors https://list.ly/i/11078004 Checksum development: A checksum is generated from this entropy using SHA-256 hashing, which aids verify the mnemonic's integrity afterwards. Press X to abort passphrase software and maintain editing the passphrase. Selecting Terminate right after an abort will cease the method. Posts about copyright wallets are dotted https://advicebookmarks.com/story28238169/bip39-javascript-the-smart-trick-of-bip39-wallet-that-no-one-is-discussing-https-dzen-ru-bip39-phrase-com