What's A Seed Phrase A BIP39 mnemonic sentence is really a list of words (most commonly twelve or 24) that we are able to connect with more effectively than other people that aren't words (bits and figures along with the like). BIP39's purpose in introducing the usage of mnemonic words https://cyberbookmarking.com/story18459134/word-list-bip39-the-definitive-guide-to-bip39-phrase