Bip 39. Though it takes advantage of BIP32 system you can nevertheless import BIP39 seeds into Electrum wallet. Also apart from BIp32 There may be BIP44 version which some wallet use with the generation of seeds. You signed in with An additional tab or window. Reload to refresh your session. https://sethjufrb.wikibyby.com/1108557/the_anatomy_of_the_bip39_phrase_entropy_text_and_protection