Bip39 meaning https://www.divephotoguide.com/user/arwyneglmp/ While it works by using BIP32 approach it is possible to even now import BIP39 seeds into Electrum wallet. Also other than BIp32 There may be BIP44 Variation which some wallet use for the technology of seeds. This additional complexity increases the danger of misplacing the passphrase, https://socialeweb.com/story5575314/bip39-word-list-github-indicators-on-bip39-standard-you-should-know-https-x-com-tundra838554