Bip39 Entropy To Mnemonic A BIP39 mnemonic sentence is often a set of words (most often 12 or 24) that we can connect with much more effectively than other characters that are not words (bits and quantities and also the like). BIP39's intent in introducing the usage of mnemonic words https://socialevity.com/story20387487/bip39-hardware-wallet-the-2-minute-rule-for-bip39