Your questions should be directed at the Zcash team,  however since we are using Zcash as the backbone of our crypto I will attempt to answer your concerns.
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Komodo brings to the table additional functionally internally through Delayed Proof-of-Work  and PAX/Assetchains  as well as externally through EasyDex/Instantdex  , Iguana,  Jumblr and in the future  through "Gecko" smart chains,  PAX2 and other future projects.