Bip39 Mnemonic. The passphrase isn't chosen from the predefined list of 2048 words – it may be any word or phrase you end up picking. I have browse by the material I could search for but none is supplying me a solution I need to finish my programming activity of https://letusbookmark.com/story20832421/bip39-passphrase-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean