diff --git a/src/main/java/fucoin/Statistics.java b/src/main/java/fucoin/Statistics.java
index d1eb3a0141fe867392b0e503e923ed7a8f6bb013..88b5bfcc04df87be650930b0823f165b679a996d 100644
--- a/src/main/java/fucoin/Statistics.java
+++ b/src/main/java/fucoin/Statistics.java
@@ -1,6 +1,8 @@
 package fucoin;
 
 import java.io.Serializable;
+import java.util.LinkedList;
+import java.util.List;
 
 public class Statistics implements Serializable {
     /**
@@ -12,6 +14,8 @@ public class Statistics implements Serializable {
      */
     private transient QDigest qDigest = new QDigest(sCompression);
 
+    private List<Integer> transactionHistory = new LinkedList<>();
+
     public QDigest getqDigest() {
         return qDigest;
     }
@@ -19,4 +23,12 @@ public class Statistics implements Serializable {
     public void setqDigest(QDigest qDigest) {
         this.qDigest = qDigest;
     }
+
+    public void addTransaction(int amount) {
+        transactionHistory.add(amount);
+    }
+
+    public List<Integer> getTransactionHistory() {
+        return transactionHistory;
+    }
 }