Bip39 Passphrase Inheritance Although it employs BIP32 strategy you may however import BIP39 seeds into Electrum wallet. Also besides BIp32 There may be BIP44 Variation which some wallet use with the era of seeds. Anyone else who discovers the phrase can steal the bitcoins. It has to be saved solution, https://fatallisto.com/story8319232/bip39-buffer-is-not-defined-5-essential-elements-for-bip39-word-list