Bip39 Library Although it works by using BIP32 technique you can nonetheless import BIP39 seeds into Electrum wallet. Also other than BIp32 There is certainly BIP44 version which some wallet use for that era of seeds. You should make sure to let Restoration from mnemonic phrases that have invalid checksums https://get-social-now.com/story3943202/planting-the-seed-phrase-the-fact-about-bip39-phrase-that-no-one-is-suggesting