We call them Hush Smart Chains around here

src/wallet-utility.cpp

@@ -9,7 +9,7 @@
 #include <boost/foreach.hpp>
 
 #include "hush_defs.h"
-char ASSETCHAINS_SYMBOL[KOMODO_ASSETCHAIN_MAXLEN];
+char SMART_CHAIN_SYMBOL[HUSH_SMART_CHAIN_MAXLEN];
 int64_t MAX_MONEY = 200000000 * 100000000LL;
 uint64_t ASSETCHAINS_SUPPLY;
 uint16_t BITCOIND_RPCPORT = 7771;