Bip39 utils https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 While it utilizes BIP32 approach you could however import BIP39 seeds into Electrum wallet. Also besides BIp32 There exists BIP44 Edition which some wallet use for your era of seeds. Subscribe to our weekly mailing list and get most up-to-date copyright news, sources and guides on... https://dzen.ru/bip39-phrase.com