Bip39 Checksum. Take into consideration the way to securely again up and go over the passphrase if desired: Even though you may theoretically rely on your memory, you might want to contemplate a protected backup method. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked. https://tripsbookmarks.com/story18689166/bip-39-https-linktr-ee-bip39-bip-39-no-further-a-mystery