Historically the Hush testnets that used to exist, used the TUSH ticker

src/chainparams.cpp

@@ -1,6 +1,6 @@
 // Copyright (c) 2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin Core developers
-// Copyright (c) 2019      The Hush developers
+// Copyright (c) 2019-2020 The Hush developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
@@ -246,7 +246,7 @@ class CTestNetParams : public CChainParams {
 public:
     CTestNetParams() {
         strNetworkID = "test";
-        strCurrencyUnits = "TAZ";
+        strCurrencyUnits = "TUSH";
         bip44CoinType = 1;
         consensus.fCoinbaseMustBeProtected = true;
         consensus.nSubsidySlowStartInterval = 20000;
@@ -304,7 +304,6 @@ public:
 
         vFixedSeeds.clear();
         vSeeds.clear();
-        //vSeeds.push_back(CDNSSeedData("z.cash", "dns.testnet.z.cash")); // Komodo
 
         base58Prefixes[PUBKEY_ADDRESS] = std::vector<unsigned char>(1,0);
         base58Prefixes[SCRIPT_ADDRESS] = std::vector<unsigned char>(1,5);