Bip39 Encoding. In summary, BIP39 aims to Enhance the trustworthiness and protection of the technology and recovery technique of mnemonic phrases, therefore enabling users to deal with and back again up their digital belongings a lot more securely. Passphrase values are stored within the /.tmp.tmp file around the MicroSD card. https://devinfuixk.wikiinside.com/1311882/the_anatomy_of_the_bip39_phrase_entropy_text_and_protection