diff --git a/services/backup/docker-server/contents/server/CMakeLists.txt b/services/backup/docker-server/contents/server/CMakeLists.txt
--- a/services/backup/docker-server/contents/server/CMakeLists.txt
+++ b/services/backup/docker-server/contents/server/CMakeLists.txt
@@ -51,6 +51,7 @@
 include_directories(
   ./src
   ./src/DatabaseEntities
+  ./src/Authentication
   ./_generated
   ${FOLLY_INCLUDES}
   ./lib/double-conversion
diff --git a/services/backup/docker-server/contents/server/src/Authentication/AuthenticationHandler.h b/services/backup/docker-server/contents/server/src/Authentication/AuthenticationHandler.h
new file mode 100644
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/Authentication/AuthenticationHandler.h
@@ -0,0 +1,24 @@
+#pragma once
+
+#include <string>
+
+namespace comm {
+namespace network {
+namespace crypto {
+
+// enum class AuthenticationState {
+//   NOT_STARTED = 1,
+//   IN_PROGRESS = 2,
+//   FINISHED_SUCCESS = 3,
+//   FINISHED_FAIL = 4,
+// };
+
+class AuthenticationHandler {
+  // AuthenticationState state = AuthenticationState::NOT_STARTED;
+public:
+  virtual std::string processRequest(const std::string &data) = 0;
+};
+
+} // namespace crypto
+} // namespace network
+} // namespace comm
diff --git a/services/backup/docker-server/contents/server/src/Authentication/PakeAuthenticationHandler.h b/services/backup/docker-server/contents/server/src/Authentication/PakeAuthenticationHandler.h
new file mode 100644
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/Authentication/PakeAuthenticationHandler.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "AuthenticationHandler.h"
+
+#include <string>
+
+namespace comm {
+namespace network {
+namespace crypto {
+
+// enum class AuthenticationState {
+//   NOT_STARTED = 1,
+//   IN_PROGRESS = 2,
+//   FINISHED_SUCCESS = 3,
+//   FINISHED_FAIL = 4,
+// };
+
+class PakeAuthenticationHandler : public AuthenticationHandler {
+  // AuthenticationState state = AuthenticationState::NOT_STARTED;
+public:
+  std::string processRequest(const std::string &data) override;
+};
+
+} // namespace crypto
+} // namespace network
+} // namespace comm
diff --git a/services/backup/docker-server/contents/server/src/Authentication/PakeAuthenticationHandler.cpp b/services/backup/docker-server/contents/server/src/Authentication/PakeAuthenticationHandler.cpp
new file mode 100644
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/Authentication/PakeAuthenticationHandler.cpp
@@ -0,0 +1,13 @@
+#include "PakeAuthenticationHandler.h"
+
+namespace comm {
+namespace network {
+namespace crypto {
+
+std::string PakeAuthenticationHandler::processRequest(const std::string &data) {
+  return "";
+}
+
+} // namespace crypto
+} // namespace network
+} // namespace comm
diff --git a/services/backup/docker-server/contents/server/src/Authentication/WalletAuthenticationHandler.h b/services/backup/docker-server/contents/server/src/Authentication/WalletAuthenticationHandler.h
new file mode 100644
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/Authentication/WalletAuthenticationHandler.h
@@ -0,0 +1,26 @@
+#pragma once
+
+#include "AuthenticationHandler.h"
+
+#include <string>
+
+namespace comm {
+namespace network {
+namespace crypto {
+
+// enum class AuthenticationState {
+//   NOT_STARTED = 1,
+//   IN_PROGRESS = 2,
+//   FINISHED_SUCCESS = 3,
+//   FINISHED_FAIL = 4,
+// };
+
+class WalletAuthenticationHandler : public AuthenticationHandler {
+  // AuthenticationState state = AuthenticationState::NOT_STARTED;
+public:
+  std::string processRequest(const std::string &data) override;
+};
+
+} // namespace crypto
+} // namespace network
+} // namespace comm
diff --git a/services/backup/docker-server/contents/server/src/Authentication/WalletAuthenticationHandler.cpp b/services/backup/docker-server/contents/server/src/Authentication/WalletAuthenticationHandler.cpp
new file mode 100644
--- /dev/null
+++ b/services/backup/docker-server/contents/server/src/Authentication/WalletAuthenticationHandler.cpp
@@ -0,0 +1,14 @@
+#include "WalletAuthenticationHandler.h"
+
+namespace comm {
+namespace network {
+namespace crypto {
+
+std::string
+WalletAuthenticationHandler::processRequest(const std::string &data) {
+  return "";
+}
+
+} // namespace crypto
+} // namespace network
+} // namespace comm