Bip39 release date https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view Even though it employs BIP32 method you could continue to import BIP39 seeds into Electrum wallet. Also besides BIp32 There is certainly BIP44 Model which some wallet use with the generation of seeds. BIP39 simplifies crucial administration by replacing extended cr... https://royalbookmarking.com/story20440320/bip39-trezor-the-single-best-strategy-to-use-for-bip39-generator-https-dzen-ru-bip39-phrase-com