Bip39 Checksum. The passphrase is just not chosen through the predefined list of 2048 words – it could be any word or phrase you select. Certainly, BIP39 passphrases are case-sensitive. Ensure that you enter your passphrase particularly as you set it up, together with any uppercase or lowercase letters. Passphrases https://peakbookmarks.com/story18890966/bip39-wallets-https-linktr-ee-bip39-bip39-wallets-things-to-know-before-you-buy