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  ZIP: 231
  Title: Decouple Memos from Transaction Outputs
  Owners: Jack Grigg <jack@electriccoin.co>
          Kris Nuttycombe <kris@electriccoin.co>
          Daira-Emma Hopwood <daira-emma@electriccoin.co>
  Credits: Sean Bowe
           Nate Wilcox
  Status: Reserved
  Category: Consensus / Wallet
  Discussions-To: <https://github.com/zcash/zips/issues/627>