Bip39 Passphrase Optional A BIP39 mnemonic sentence is often a set of words (most often 12 or 24) that we could interact with far more productively than other characters that aren't words (bits and quantities as well as like). BIP39's purpose in introducing using mnemonic words is to reduce the https://www.youtube.com/channel/UCUpxfyTJ0fb78SQ55hU6OCw