Bip39 Binary. It is really worth noting that a seed phrase grants access to your private keys. Whereas private keys are cumbersome to use and are available inside of a string of 256 alphanumeric characters, seed phrases are typically 12 or 24 words lengthy, and manufactured up of standard words. https://financex16050.national-wiki.com/1096977/the_anatomy_of_the_bip39_phrase_entropy_text_and_stability