What's A Seed Phrase A BIP39 mnemonic sentence is often a set of words (mostly 12 or 24) that we can communicate with a lot more properly than other people that are not words (bits and numbers along with the like). BIP39's objective in introducing the use of mnemonic words https://one-bookmark.com/story18603924/bip39-words-to-numbers-not-known-facts-about-bip39-phrase