Bip39 release date https://remingtonjszi611.almoheet-travel.com/using-python-to-create-a-bip39-mnemonic-a-designer-s-perspective Despite the fact that it uses BIP32 method it is possible to still import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 Edition which some wallet use to the generation of seeds. BIP32 and BIP44 function collectively to include versati... https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view