diff --git a/src/main/java/burstcoin/jminer/core/network/event/NetworkQualityChangeEvent.java b/src/main/java/burstcoin/jminer/core/network/event/NetworkQualityChangeEvent.java
new file mode 100644
index 0000000..5fe1e96
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+++ b/src/main/java/burstcoin/jminer/core/network/event/NetworkQualityChangeEvent.java
@@ -0,0 +1,42 @@
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 by luxe - https://github.com/de-luxe - BURST-LUXE-RED2-G6JW-H4HG5
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software
+ * is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies
+ * or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ */
+
+package burstcoin.jminer.core.network.event;
+
+import java.io.Serializable;
+
+/* just for statistics of network quality, information on succeeded or not succeeded requests*/
+public class NetworkQualityChangeEvent
+  implements Serializable
+{
+  private boolean success;
+
+  public NetworkQualityChangeEvent(boolean success)
+  {
+    this.success = success;
+  }
+
+  public boolean isSuccess()
+  {
+    return success;
+  }
+}