Bip39 Bitcoin Core. Theoretically, one can think out the mnemonic phrase by his individual, but it is not Secure, for the reason that a human can't do a fantastic position with the random era. The simplest way to secure one’s wallet is to have a mnemonic phrase generated by the https://jasperxitdp.wonderkingwiki.com/1101528/the_anatomy_of_the_bip39_phrase_entropy_text_and_protection