ZIP: 220
Title: Zcash Shielded Assets
Owners: Jack Grigg <thestr4d@gmail.com>
        Daira-Emma Hopwood <daira@jacaranda.org>
Status: Withdrawn
Category: Consensus
Discussions-To: <https://github.com/zcash/zcash/issues/830>
Pull-Request: <https://github.com/zcash/zips/pull/269>