diff --git a/src/fds/contracts/ENSRegistry.py b/src/fds/contracts/ENSRegistry.py
new file mode 100644
index 0000000..da77c9e
--- /dev/null
+++ b/src/fds/contracts/ENSRegistry.py
@@ -0,0 +1,24 @@
+"""
+Copyright 2023 The FairDataSociety Authors
+This file is part of the FairDataSociety library.
+
+The FairDataSociety library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+The FairDataSociety library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the FairDataSociety library. If not, see <http:www.gnu.org/licenses/>.
+
+handles crypto
+"""
+
+
+class ENSRegistry:
+    def __init__(self):
+        ...
diff --git a/src/fds/contracts/ens_registry.py b/src/fds/contracts/ens_registry.py
deleted file mode 100644
index e69de29..0000000
diff --git a/src/fds/fds_contract.py b/src/fds/fds_contract.py
index e69de29..a87cbde 100644
--- a/src/fds/fds_contract.py
+++ b/src/fds/fds_contract.py
@@ -0,0 +1,23 @@
+"""
+Copyright 2023 The FairDataSociety Authors
+This file is part of the FairDataSociety library.
+
+The FairDataSociety library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+The FairDataSociety library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the FairDataSociety library. If not, see <http:www.gnu.org/licenses/>.
+
+handles crypto
+"""
+
+
+class FDSContract:
+    pass
diff --git a/src/fds/fds_utils.py b/src/fds/fds_utils.py
index e69de29..021aacb 100644
--- a/src/fds/fds_utils.py
+++ b/src/fds/fds_utils.py
@@ -0,0 +1,50 @@
+"""
+Copyright 2023 The FairDataSociety Authors
+This file is part of the FairDataSociety library.
+
+The FairDataSociety library is free software: you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+The FairDataSociety library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License
+along with the FairDataSociety library. If not, see <http:www.gnu.org/licenses/>.
+
+handles crypto
+"""
+import os
+
+
+class Utils:
+    @staticmethod
+    def file_to_buffer(file):
+        if os.name == "nt":  # Windows
+            with open(file, "rb") as f:
+                return f.read()
+        else:  # Unix-based systems (Linux, macOS)
+            with open(file, "rb") as f:
+                return f.read()
+
+    @staticmethod
+    def file_to_string(file):
+        if os.name == "nt":  # Windows
+            with open(file, "r") as f:
+                return f.read()
+        else:  # Unix-based systems (Linux, macOS)
+            with open(file, "r") as f:
+                return f.read()
+
+
+if __name__ == "__main__":
+    # Example usage:
+    utils = Utils()
+
+    buffer = utils.file_to_buffer("CHANGELOG.rst")
+    string = utils.file_to_string("CHANGELOG.rst")
+    print(string)
+    print(buffer)