Ledger bip39 passphrase https://archerujcb329.tearosediner.net/comprehending-the-function-of-bip39-in-copyright-pocketbooks Though it works by using BIP32 process you can still import BIP39 seeds into Electrum wallet. Also in addition to BIp32 there is BIP44 version which some wallet use for the era of seeds. BIP39 simplifies critical management by changing lengthy cryptographic facts... https://dailybookmarkhit.com/story20313750/bip39-validate-mnemonic-the-smart-trick-of-bip39-wallet-that-no-one-is-discussing-https-dzen-ru-bip39-phrase-com