diff --git a/src/amount.h b/src/amount.h
--- a/src/amount.h
+++ b/src/amount.h
@@ -165,9 +165,9 @@
 /**
  * No amount larger than this (in satoshi) is valid.
  *
- * Note that this constant is *not* the total money supply, which in Bitcoin
- * currently happens to be less than 21,000,000 BCH for various reasons, but
- * rather a sanity check. As this sanity check is used by consensus-critical
+ * Note that this constant is *not* the total money supply, which in eCash
+ * currently happens to be less than 21,000,000 COIN for various reasons,
+ * but rather a sanity check. As this sanity check is used by consensus-critical
  * validation code, the exact value of the MAX_MONEY constant is consensus
  * critical; in unusual circumstances like a(nother) overflow bug that allowed
  * for the creation of coins out of thin air modification could lead to a fork.
diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -308,7 +308,7 @@
                 });
     }
 
-    // update the display unit, to not use the default ("BCH")
+    // update the display unit, to not use the default ("XEC")
     updateDisplayUnit();
 }
 
diff --git a/src/qt/sendcoinsentry.cpp b/src/qt/sendcoinsentry.cpp
--- a/src/qt/sendcoinsentry.cpp
+++ b/src/qt/sendcoinsentry.cpp
@@ -129,7 +129,7 @@
     ui->memoTextLabel_s->clear();
     ui->payAmount_s->clear();
 
-    // update the display unit, to not use the default ("BCH")
+    // update the display unit, to not use the default ("XEC")
     updateDisplayUnit();
 }
 
diff --git a/src/qt/test/paymentrequestdata.h b/src/qt/test/paymentrequestdata.h
--- a/src/qt/test/paymentrequestdata.h
+++ b/src/qt/test/paymentrequestdata.h
@@ -430,7 +430,8 @@
 ";
 
 //
-// Payment request with amount overflow (amount is set to 21000001 BCH)
+// Payment request with amount overflow (amount is set to
+// 21,000,001,000,000 XEC)
 //
 const char *paymentrequest5_cert2_BASE64 = "\
 Egt4NTA5K3NoYTI1NhrQBArNBDCCAkkwggExoAMCAQICAQEwDQYJKoZIhvcNAQEL\
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -518,7 +518,7 @@
     return obj;
 }
 
-// NOTE: Unlike wallet RPC (which use BCH values), mining RPCs follow GBT (BIP
+// NOTE: Unlike wallet RPC (which use XEC values), mining RPCs follow GBT (BIP
 // 22) in using satoshi amounts
 static UniValue prioritisetransaction(const Config &config,
                                       const JSONRPCRequest &request) {
diff --git a/src/test/rpc_tests.cpp b/src/test/rpc_tests.cpp
--- a/src/test/rpc_tests.cpp
+++ b/src/test/rpc_tests.cpp
@@ -364,7 +364,7 @@
     // Invalid, trailing garbage
     BOOST_CHECK_THROW(ParseNonRFCJSONValue("1.0sds"), std::runtime_error);
     BOOST_CHECK_THROW(ParseNonRFCJSONValue("1.0]"), std::runtime_error);
-    // BCH addresses should fail parsing
+    // Legacy addresses should fail parsing
     BOOST_CHECK_THROW(
         ParseNonRFCJSONValue("175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W"),
         std::runtime_error);
diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp
--- a/src/wallet/test/coinselector_tests.cpp
+++ b/src/wallet/test/coinselector_tests.cpp
@@ -528,14 +528,14 @@
         BOOST_CHECK(testWallet.SelectCoinsMinConf(
             95 * CENT, filter_confirmed, GroupCoins(vCoins), setCoinsRet,
             nValueRet, coin_selection_params, bnb_used));
-        // we should get 1 BCH in 1 coin
+        // we should get 1,000,000 XEC in 1 coin
         BOOST_CHECK_EQUAL(nValueRet, 1 * COIN);
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);
 
         BOOST_CHECK(testWallet.SelectCoinsMinConf(
             195 * CENT, filter_confirmed, GroupCoins(vCoins), setCoinsRet,
             nValueRet, coin_selection_params, bnb_used));
-        // we should get 2 BCH in 1 coin
+        // we should get 2,000,000 XEC in 1 coin
         BOOST_CHECK_EQUAL(nValueRet, 2 * COIN);
         BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U);