Bip39 copyright https://zanevnex175.lowescouponn.com/practical-use-a-python-based-bip39-seed-generator-in-the-real-world Though it uses BIP32 technique you may even now import BIP39 seeds into Electrum wallet. Also apart from BIp32 there is BIP44 Variation which some wallet use for that era of seeds. Previously, bitcoin and also other copyright wallets had been established and accesse... https://www.symbaloo.com/mix/bookmarks-xfkm