diff --git a/tests/data.py b/tests/data.py
new file mode 100644
index 0000000..9972e2e
--- /dev/null
+++ b/tests/data.py
@@ -0,0 +1,51 @@
+import json
+
+# Money
+# {username: balance}
+class money():
+    def read():
+        with open('money.json', 'r') as openfile:
+            data = json.load(openfile)
+        return data
+    def write(data):
+        js = json.dumps(data, indent=4)
+        with open("money.json", "w") as outfile:
+            outfile.write(js)
+
+# Mining + Registrations
+# Hash is encrypted!
+# [ {"PrevHash": "00043dsafd", "nonce": 1, "OpenKey": "762eagdfgtars5e34"}, ...]
+class mine():
+    def read():
+        with open('mine.json', 'r') as openfile:
+            data = json.load(openfile)
+        return data
+    def write(data):
+        js = json.dumps(data, indent=4)
+        with open("mine.json", "w") as outfile:
+            outfile.write(js)
+
+# Pay + Registrations?
+# Hash is encrypted!
+# [ {"Payer": "user32532", "Receiver": "user64582", "OpenKey": "762eagdfgtars5e34", "PrevHash": "fsd2675ads"} , ...]
+class pay():
+    def read():
+        with open('pay.json', 'r') as openfile:
+            data = json.load(openfile)
+        return data
+    def write(data):
+        js = json.dumps(data, indent=4)
+        with open("pay.json", "w") as outfile:
+            outfile.write(js)
+
+# Keys
+# {"user32532": "762eagdfgtars5e34", ...}
+class keys():
+    def read():
+        with open('keys.json', 'r') as openfile:
+            data = json.load(openfile)
+        return data
+    def write(data):
+        js = json.dumps(data, indent=4)
+        with open("keys.json", "w") as outfile:
+            outfile.write(js)