diff --git a/native/cpp/CommonCpp/BlobClient/BlobClient.h b/native/cpp/CommonCpp/BlobClient/BlobClient.h
new file mode 100644
--- /dev/null
+++ b/native/cpp/CommonCpp/BlobClient/BlobClient.h
@@ -0,0 +1,17 @@
+#include "lib.rs.h"
+
+#include <memory>
+#include <string>
+
+namespace comm {
+class UploadBlobClient {
+  std::unique_ptr<::rust::Box<::UploadState>> uploadState;
+
+public:
+  UploadBlobClient();
+  void startUploadBlocking(const std::string &holder, const std::string &hash);
+  void uploadChunkBlocking(std::uint8_t *chunk, size_t chunk_length);
+  bool completeUploadBlocking();
+  ~UploadBlobClient();
+};
+} // namespace comm
diff --git a/native/cpp/CommonCpp/BlobClient/BlobClient.cpp b/native/cpp/CommonCpp/BlobClient/BlobClient.cpp
new file mode 100644
--- /dev/null
+++ b/native/cpp/CommonCpp/BlobClient/BlobClient.cpp
@@ -0,0 +1,32 @@
+#include "./BlobClient.h"
+
+namespace comm {
+UploadBlobClient::UploadBlobClient() {
+  this->uploadState = std::make_unique<::rust::Box<::UploadState>>(
+      ::initialize_upload_state_blocking());
+}
+
+void UploadBlobClient::startUploadBlocking(
+    const std::string &holder,
+    const std::string &hash) {
+  ::start_upload_blocking(*this->uploadState, holder, hash);
+}
+
+void UploadBlobClient::uploadChunkBlocking(
+    std::uint8_t *chunk,
+    size_t chunk_length) {
+  ::upload_chunk_blocking(
+      *this->uploadState,
+      ::rust::Slice<const std::uint8_t>(chunk, chunk_length));
+}
+
+bool UploadBlobClient::completeUploadBlocking() {
+  return ::complete_upload_blocking(std::move(*this->uploadState.release()));
+}
+
+UploadBlobClient::~UploadBlobClient() {
+  if (this->uploadState) {
+    ::complete_upload_blocking(std::move(*this->uploadState.release()));
+  }
+}
+} // namespace comm
diff --git a/native/ios/Comm.xcodeproj/project.pbxproj b/native/ios/Comm.xcodeproj/project.pbxproj
--- a/native/ios/Comm.xcodeproj/project.pbxproj
+++ b/native/ios/Comm.xcodeproj/project.pbxproj
@@ -67,6 +67,7 @@
 		CB4821AF27CFB19D001AB7E1 /* PlatformSpecificTools.mm in Sources */ = {isa = PBXBuildFile; fileRef = 71762A74270D8AAE00F565ED /* PlatformSpecificTools.mm */; };
 		CB4821B127CFB1FA001AB7E1 /* GlobalNetworkSingleton.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 726E5D762731A5E10032361D /* GlobalNetworkSingleton.cpp */; };
 		CB4821B227CFB20E001AB7E1 /* SQLiteQueryExecutor.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 71BE84412636A944002849D2 /* SQLiteQueryExecutor.cpp */; };
+		CBDA4E7B28D8A28D00203CE4 /* BlobClient.cpp in Sources */ = {isa = PBXBuildFile; fileRef = CBDA4E7928D8A28D00203CE4 /* BlobClient.cpp */; };
 		CBFE58292885852B003B94C9 /* ThreadOperations.cpp in Sources */ = {isa = PBXBuildFile; fileRef = CBFE58282885852B003B94C9 /* ThreadOperations.cpp */; };
 		D7DB6E0F85B2DBE15B01EC21 /* libPods-Comm.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 994BEBDD4E4959F69CEA0BC3 /* libPods-Comm.a */; };
 		F02C296C528B51ADAB5AA19D /* libPods-NotificationService.a in Frameworks */ = {isa = PBXBuildFile; fileRef = 3EE4DCB430B05EC9DE7D7B01 /* libPods-NotificationService.a */; };
@@ -222,6 +223,8 @@
 		CB38F2BE286C6C980010535C /* DeleteEntryMessageSpec.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = DeleteEntryMessageSpec.h; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageSpecs/DeleteEntryMessageSpec.h; sourceTree = "<group>"; };
 		CB38F2BF286C6C980010535C /* UpdateRelationshipMessageSpec.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = UpdateRelationshipMessageSpec.h; path = PersistentStorageUtilities/MessageOperationsUtilities/MessageSpecs/UpdateRelationshipMessageSpec.h; sourceTree = "<group>"; };
 		CB3C621327CE66540054F24C /* libEXSecureStore.a */ = {isa = PBXFileReference; explicitFileType = archive.ar; path = libEXSecureStore.a; sourceTree = BUILT_PRODUCTS_DIR; };
+		CBDA4E7928D8A28D00203CE4 /* BlobClient.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = BlobClient.cpp; path = BlobClient/BlobClient.cpp; sourceTree = "<group>"; };
+		CBDA4E7A28D8A28D00203CE4 /* BlobClient.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = BlobClient.h; path = BlobClient/BlobClient.h; sourceTree = "<group>"; };
 		CBFE58272885852B003B94C9 /* ThreadOperations.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; name = ThreadOperations.h; path = PersistentStorageUtilities/ThreadOperationsUtilities/ThreadOperations.h; sourceTree = "<group>"; };
 		CBFE58282885852B003B94C9 /* ThreadOperations.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; name = ThreadOperations.cpp; path = PersistentStorageUtilities/ThreadOperationsUtilities/ThreadOperations.cpp; sourceTree = "<group>"; };
 		F53DA7B3F26C2798DCE74A94 /* Pods-Comm.debug.xcconfig */ = {isa = PBXFileReference; includeInIndex = 1; lastKnownFileType = text.xcconfig; name = "Pods-Comm.debug.xcconfig"; path = "Target Support Files/Pods-Comm/Pods-Comm.debug.xcconfig"; sourceTree = "<group>"; };
@@ -353,6 +356,7 @@
 		71BE84372636A944002849D2 /* CommonCpp */ = {
 			isa = PBXGroup;
 			children = (
+				CBDA4E7828D8A27B00203CE4 /* BlobClient */,
 				71F971B4270726C000DDC5BF /* _generated */,
 				718A3C0426F22BD100F04A8D /* grpc */,
 				71BF5B6A26B3FCFF00EDE27D /* CryptoTools */,
@@ -584,6 +588,15 @@
 			name = MessageSpecs;
 			sourceTree = "<group>";
 		};
+		CBDA4E7828D8A27B00203CE4 /* BlobClient */ = {
+			isa = PBXGroup;
+			children = (
+				CBDA4E7928D8A28D00203CE4 /* BlobClient.cpp */,
+				CBDA4E7A28D8A28D00203CE4 /* BlobClient.h */,
+			);
+			name = BlobClient;
+			sourceTree = "<group>";
+		};
 		CBED0E2C284E086100CD3863 /* PersistentStorageUtilities */ = {
 			isa = PBXGroup;
 			children = (
@@ -1029,6 +1042,7 @@
 				71762A75270D8AAE00F565ED /* PlatformSpecificTools.mm in Sources */,
 				71BF5B7126B3FF0900EDE27D /* Session.cpp in Sources */,
 				726E5D752731A4790032361D /* NetworkModule.cpp in Sources */,
+				CBDA4E7B28D8A28D00203CE4 /* BlobClient.cpp in Sources */,
 				71BF5B7526B401D300EDE27D /* Tools.cpp in Sources */,
 				13B07FBC1A68108700A75B9A /* AppDelegate.mm in Sources */,
 				71142A7726C2650B0039DCBD /* CommSecureStoreIOSWrapper.mm in Sources */,