Bip39 mnemonic example https://www.plurk.com/p/3hf2syltjx While it makes use of BIP32 process you can still import BIP39 seeds into Electrum wallet. Also apart from BIp32 There may be BIP44 Model which some wallet use for the technology of seeds. Due to the cryptographic design and style of BIP-39, a weak passphrase https://bookmarkgenious.com/story20481062/bip39-generator-github-the-single-best-strategy-to-use-for-bip39-word-list-pdf-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw