ZIP: 320
Title: Defining an Address Type to which funds can only be sent from Transparent Addresses
Owners: Daira Emma Hopwood <daira@electriccoin.co>
        Kris Nuttycombe <kris@nutty.land>
Credits: Hanh
Status: Reserved
Category: Standards / Wallet
Discussions-To: <https://github.com/zcash/zips/issues/757>