Bip39 generator online https://squareblogs.net/edelinepge/using-python-to-produce-a-bip39-mnemonic-a-developers-point-of-view Despite the fact that it takes advantage of BIP32 technique you could continue to import BIP39 seeds into Electrum wallet. Also other than BIp32 You can find BIP44 version which some wallet use to the generation of seeds. BIP39 is like the opportunity to “study... https://nanobookmarking.com/story20154341/bip39-vs-electrum-the-smart-trick-of-bip39-wallet-that-no-one-is-discussing-https-dzen-ru-bip39-phrase-com