diff --git a/src/fragment_store/message_fragment_store.cpp b/src/fragment_store/message_fragment_store.cpp
index 8d899a8..cba9b6b 100644
--- a/src/fragment_store/message_fragment_store.cpp
+++ b/src/fragment_store/message_fragment_store.cpp
@@ -2,6 +2,7 @@
 
 #include <solanaceae/util/utils.hpp>
 
+#include <solanaceae/contact/components.hpp>
 #include <solanaceae/message3/components.hpp>
 
 #include <nlohmann/json.hpp>
@@ -63,6 +64,20 @@ static bool serl_json_msg_ts_range(void* comp, nlohmann::json& out) {
 	return true;
 }
 
+static bool serl_json_msg_c_id(void* comp, nlohmann::json& out) {
+	if (comp == nullptr) {
+		return false;
+	}
+
+	out = nlohmann::json::object();
+
+	auto& r_comp = *reinterpret_cast<FragComp::MessagesContact*>(comp);
+
+	out["id"] = r_comp.id;
+
+	return true;
+}
+
 void MessageFragmentStore::handleMessage(const Message3Handle& m) {
 	if (!static_cast<bool>(m)) {
 		return; // huh?
@@ -153,6 +168,15 @@ void MessageFragmentStore::handleMessage(const Message3Handle& m) {
 			new_ts_range.begin = msg_ts;
 			new_ts_range.end = msg_ts;
 
+			{
+				const auto msg_reg_contact = m.registry()->ctx().get<Contact3>();
+				if (_cr.all_of<Contact::Components::ID>(msg_reg_contact)) {
+					fh.emplace<FragComp::MessagesContact>(_cr.get<Contact::Components::ID>(msg_reg_contact).data);
+				} else {
+					// ? rage quit?
+				}
+			}
+
 			fuid_open.emplace_back(Message::Components::OpenFragments::OpenFrag{msg_ts, msg_ts, fragment_uid});
 
 			std::cout << "MFS: created new fragment " << bin2hex(fragment_uid) << "\n";
@@ -177,14 +201,16 @@ void MessageFragmentStore::handleMessage(const Message3Handle& m) {
 }
 
 MessageFragmentStore::MessageFragmentStore(
+	Contact3Registry& cr,
 	RegistryMessageModel& rmm,
 	FragmentStore& fs
-) : _rmm(rmm), _fs(fs) {
+) : _cr(cr), _rmm(rmm), _fs(fs) {
 	_rmm.subscribe(this, RegistryMessageModel_Event::message_construct);
 	_rmm.subscribe(this, RegistryMessageModel_Event::message_updated);
 	_rmm.subscribe(this, RegistryMessageModel_Event::message_destroy);
 
 	_fs._sc.registerSerializerJson<FragComp::MessagesTSRange>(serl_json_msg_ts_range);
+	_fs._sc.registerSerializerJson<FragComp::MessagesContact>(serl_json_msg_c_id);
 
 	_sc.registerSerializerJson<Message::Components::Timestamp>(serl_json_default<Message::Components::Timestamp>);
 	_sc.registerSerializerJson<Message::Components::TimestampProcessed>(serl_json_default<Message::Components::TimestampProcessed>);
diff --git a/src/fragment_store/message_fragment_store.hpp b/src/fragment_store/message_fragment_store.hpp
index d7112a5..58ded02 100644
--- a/src/fragment_store/message_fragment_store.hpp
+++ b/src/fragment_store/message_fragment_store.hpp
@@ -7,6 +7,7 @@
 #include <entt/entity/registry.hpp>
 #include <entt/container/dense_map.hpp>
 
+#include <solanaceae/contact/contact_model3.hpp>
 #include <solanaceae/message3/registry_message_model.hpp>
 
 #include <queue>
@@ -29,6 +30,10 @@ namespace Fragment::Components {
 		uint64_t begin {0};
 		uint64_t end {0};
 	};
+
+	struct MessagesContact {
+		std::vector<uint8_t> id;
+	};
 } // Fragment::Components
 
 struct MessageSerializerCallbacks : public SerializerCallbacks {
@@ -41,6 +46,7 @@ struct MessageSerializerCallbacks : public SerializerCallbacks {
 // on delete: mark as fragment dirty?
 class MessageFragmentStore : public RegistryMessageModelEventI {
 	protected:
+		Contact3Registry& _cr;
 		RegistryMessageModel& _rmm;
 		FragmentStore& _fs;
 
@@ -58,6 +64,7 @@ class MessageFragmentStore : public RegistryMessageModelEventI {
 
 	public:
 		MessageFragmentStore(
+			Contact3Registry& cr,
 			RegistryMessageModel& rmm,
 			FragmentStore& fs
 		);
diff --git a/src/main_screen.cpp b/src/main_screen.cpp
index 07c4d06..a17fd2d 100644
--- a/src/main_screen.cpp
+++ b/src/main_screen.cpp
@@ -14,7 +14,7 @@ MainScreen::MainScreen(SDL_Renderer* renderer_, std::string save_path, std::stri
 	renderer(renderer_),
 	rmm(cr),
 	mts(rmm),
-	mfs(rmm, fs),
+	mfs(cr, rmm, fs),
 	tc(save_path, save_password),
 	tpi(tc.getTox()),
 	ad(tc),