Bip39 Longest Word A BIP39 mnemonic sentence is often a set of words (most often 12 or 24) that we can easily connect with much more efficiently than other characters that are not words (bits and figures along with the like). BIP39's purpose in introducing the usage of mnemonic words https://bookmarkfox.com/story4147258/generator-hunting-meaning-how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39