Bip39 ian coleman https://telegra.ph/Producing-Custom-Bitcoin-Addresses-A-Take-A-Look-At-BIP39-Strategies-06-28 Although it uses BIP32 technique you'll be able to even now import BIP39 seeds into Electrum wallet. Also aside from BIp32 There's BIP44 Model which some wallet use for that generation of seeds. Press X to abort passphrase software and keep enhancing the passphrase. Deciding... https://iwanttobookmark.com/story20293880/bip39-mnemonic-code-the-5-second-trick-for-bip39-compatible-wallet-https-t-me-bip39-chat