Bip39 Numbers A BIP39 mnemonic sentence is actually a set of words (most commonly twelve or 24) that we can easily interact with much more efficiently than other characters that aren't words (bits and numbers plus the like). BIP39's function in introducing using mnemonic words is to lessen the mistakes https://www.youtube.com/channel/UCUpxfyTJ0fb78SQ55hU6OCw