Bip39 compliant passphrase https://remingtonjszi611.almoheet-travel.com/using-python-to-create-a-bip39-mnemonic-a-designer-s-perspective While it makes use of BIP32 system you can continue to import BIP39 seeds into Electrum wallet. Also apart from BIp32 There's BIP44 version which some wallet use for your generation of seeds. This extra complexity increases the possibility of misplac... https://bookmarktune.com/story20524721/bip39-entropy-a-secret-weapon-for-bip39-mnemonic-code-converter-tool-https-linktr-ee-bip39