Bip39 number of words https://www.storeboard.com/blogs/ai-for-small-business/browsing-the-globe-of-bitcoin-addresses-the-value-of-bip39/6240727 Even though it works by using BIP32 approach you are able to continue to import BIP39 seeds into Electrum wallet. Also besides BIp32 There exists BIP44 version which some wallet use with the era of seeds. Contrary to standard wallets derived o... https://penzu.com/p/2ea6922b70254307