Bip39 random word generator https://send.now/zchzg5fu4oku Despite the fact that it takes advantage of BIP32 system you can still import BIP39 seeds into Electrum wallet. Also aside from BIp32 there is BIP44 Edition which some wallet use to the generation of seeds. The amount security does a passphrase increase? A BIP39 https://bookmarkbirth.com/story20551713/bip39-word-list-search-how-bip39-wallet-can-save-you-time-stress-and-money-https-www-youtube-com-channel-ucupxfytj0fb78sq55hu6ocw