diff --git a/projects/ThresholdOPRF/default.nix b/projects/ThresholdOPRF/default.nix
new file mode 100644
index 000000000..ee98d75dc
--- /dev/null
+++ b/projects/ThresholdOPRF/default.nix
@@ -0,0 +1,37 @@
+{
+  lib,
+  pkgs,
+  sources,
+  ...
+}@args:
+
+{
+  metadata = {
+    summary = "Oblivious Pseudo-random Functions (OPRFs) and Threshold constructions implementations";
+    subgrants = {
+      Entrust = [
+        "ThresholdOPRF"
+      ];
+      Review = [
+        "OpaqueSphinx"
+        "OpaqueSphinxServer"
+        "OpaqueStore-Sphinx2.0"
+      ];
+    };
+  };
+
+  nixos.modules.programs = {
+    ThresholdOPRF = {
+      name = "ThresholdOPRF";
+      module = ./programs/ThresholdOPRF/module.nix;
+      examples."Enable ThresholdOPRF" = {
+        module = ./programs/ThresholdOPRF/examples/basic.nix;
+        description = "";
+        tests.basic.module = null;
+      };
+    };
+  };
+
+  # pwdsphinx needs a module
+  nixos.modules.services.ThresholdOPRF.module = null;
+}
diff --git a/projects/ThresholdOPRF/programs/ThresholdOPRF/examples/basic.nix b/projects/ThresholdOPRF/programs/ThresholdOPRF/examples/basic.nix
new file mode 100644
index 000000000..9abd1fb0c
--- /dev/null
+++ b/projects/ThresholdOPRF/programs/ThresholdOPRF/examples/basic.nix
@@ -0,0 +1,5 @@
+{ ... }:
+
+{
+  programs.ThresholdOPRF.enable = true;
+}
diff --git a/projects/ThresholdOPRF/programs/ThresholdOPRF/module.nix b/projects/ThresholdOPRF/programs/ThresholdOPRF/module.nix
new file mode 100644
index 000000000..c7c97734b
--- /dev/null
+++ b/projects/ThresholdOPRF/programs/ThresholdOPRF/module.nix
@@ -0,0 +1,26 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  cfg = config.programs.ThresholdOPRF;
+in
+{
+  options.programs.ThresholdOPRF = {
+    enable = lib.mkEnableOption "ThresholdOPRF";
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = with pkgs; [
+      libopaque
+      liboprf
+      pwdsphinx
+      python3Packages.opaque
+      python3Packages.pyequihash
+      python3Packages.pyoprf
+      python3Packages.qrcodegen
+    ];
+  };
+}