Invalid Bip39 Phrase A BIP39 mnemonic sentence is often a set of words (mostly twelve or 24) that we can easily communicate with a lot more successfully than other people that aren't words (bits and figures along with the like). BIP39's purpose in introducing the usage of mnemonic words is https://johsocial.com/story8974779/bip39-passphrase-inheritance-little-known-facts-about-bip39-word-list