diff --git a/model/accountLedger.proto b/model/accountLedger.proto
new file mode 100644
index 0000000..b41fc81
--- /dev/null
+++ b/model/accountLedger.proto
@@ -0,0 +1,14 @@
+syntax = "proto3";
+
+package model;
+option go_package = "github.com/zoobc/zoobc-core/common/model";
+
+import "model/event.proto";
+
+message AccountLedger {
+    string AccountAddress = 1;
+    int64 BalanceChange = 2;
+    uint32 BlockHeight = 3;
+    int64 TransactionID = 4;
+    EventType EventType = 5;
+}
\ No newline at end of file
diff --git a/model/event.proto b/model/event.proto
new file mode 100644
index 0000000..c5c26c0
--- /dev/null
+++ b/model/event.proto
@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+package model;
+option go_package = "github.com/zoobc/zoobc-core/common/model";
+
+enum EventType {
+    EventAny = 0; // For Request filter purposes
+    EventSendMoneyTransaction = 1;
+    EventNodeRegistrationTransaction = 2;
+    EventUpdateNodeRegistrationTransaction = 3;
+    EventRemoveNodeRegistrationTransaction = 4;
+    EventClaimNodeRegistrationTransaction = 5;
+    EventSetupAccountDatasetTransaction = 6;
+    EventRemoveAccountDatasetTransaction = 7;
+    EventReward = 8;
+}
\ No newline at end of file