diff --git a/landing/siwe-nonce-context.js b/landing/siwe-nonce-context.js
new file mode 100644
--- /dev/null
+++ b/landing/siwe-nonce-context.js
@@ -0,0 +1,15 @@
+// @flow
+
+import * as React from 'react';
+
+export type SIWENonceContextType = {
+  +siweNonce: ?string,
+};
+
+const SIWENonceContext: React.Context<SIWENonceContextType> = React.createContext(
+  {
+    siweNonce: null,
+  },
+);
+
+export { SIWENonceContext };