Bip39 invalid mnemonic https://writeablog.net/ipennywpzc/the-ultimate-overview-to-offline-bip39-generators-remain-secure While it uses BIP32 strategy you may however import BIP39 seeds into Electrum wallet. Also in addition to BIp32 There may be BIP44 Edition which some wallet use for that technology of seeds. BitBox02 - A successor on the BitBox sequence, this components wallet suppo... https://bookmarknap.com/story11022004/adesivo-bip-39-a-secret-weapon-for-bip39-mnemonic-code-converter-tool-https-linktr-ee-bip39