diff --git a/cmake/dependencies.cmake b/cmake/dependencies.cmake
index 2717c4a7..35f88b65 100644
--- a/cmake/dependencies.cmake
+++ b/cmake/dependencies.cmake
@@ -12,6 +12,16 @@ FetchContent_Declare(
         URL https://github.com/skypjack/entt/archive/master.zip
 )
 
+FetchContent_Declare(
+        loguru
+        URL https://github.com/emilk/loguru/archive/v2.1.0.zip
+)
+
+FetchContent_Declare(
+        fmt
+        URL https://github.com/fmtlib/fmt/releases/download/6.0.0/fmt-6.0.0.zip
+)
+
 FetchContent_Declare(
         doom_st
         URL https://github.com/doom/strong_type/archive/1.0.2.tar.gz
@@ -89,7 +99,7 @@ if (USE_SDL_ANTARA_WRAPPER)
     )
 endif ()
 
-FetchContent_MakeAvailable(doctest entt doom_st expected range-v3 refl-cpp doom_meta nlohmann_json joboccara-pipes)
+FetchContent_MakeAvailable(doctest entt doom_st expected range-v3 refl-cpp doom_meta nlohmann_json joboccara-pipes loguru fmt)
 if (USE_SFML_ANTARA_WRAPPER)
     FetchContent_MakeAvailable(SFML)
 endif ()
@@ -112,6 +122,12 @@ if (USE_SDL_ANTARA_WRAPPER)
             )
 endif ()
 
+add_library(antara_log INTERFACE)
+target_sources(antara_log INTERFACE  ${loguru_SOURCE_DIR}/loguru.cpp)
+target_include_directories(antara_log INTERFACE ${loguru_SOURCE_DIR})
+target_link_libraries(antara_log INTERFACE fmt::fmt)
+add_library(antara::log ALIAS antara_log)
+
 add_library(nlohmann_json INTERFACE)
 target_include_directories(nlohmann_json INTERFACE ${nlohmann_json_SOURCE_DIR})
 add_library(nlohmann_json::nlohmann_json ALIAS nlohmann_json)
diff --git a/modules/CMakeLists.txt b/modules/CMakeLists.txt
index f1f4f103..3753cc1b 100644
--- a/modules/CMakeLists.txt
+++ b/modules/CMakeLists.txt
@@ -10,6 +10,7 @@ add_subdirectory(geometry)
 add_subdirectory(ecs)
 add_subdirectory(collisions)
 add_subdirectory(resources)
+add_subdirectory(blockchain)
 add_subdirectory(scenes)
 add_subdirectory(world)
 
diff --git a/modules/blockchain/CMakeLists.txt b/modules/blockchain/CMakeLists.txt
new file mode 100644
index 00000000..ce016e7a
--- /dev/null
+++ b/modules/blockchain/CMakeLists.txt
@@ -0,0 +1,38 @@
+add_library(antara_nspv STATIC)
+target_sources(antara_nspv PRIVATE antara/gaming/blockchain/nspv.system.cpp)
+target_include_directories(antara_nspv PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
+target_link_libraries(antara_nspv PUBLIC antara::default_settings antara::ecs)
+add_library(antara::nspv ALIAS antara_nspv)
+
+if (ANTARA_BUILD_UNIT_TESTS)
+    ##! antara blockchain tests
+    add_executable(antara_blockchain_tests)
+    target_link_libraries(antara_blockchain_tests PRIVATE doctest PUBLIC antara::nspv)
+    target_sources(antara_blockchain_tests PRIVATE
+            antara/gaming/blockchain/antara.blockchain.tests.cpp
+            antara/gaming/blockchain/nspv.system.tests.cpp)
+    set_target_properties(antara_blockchain_tests
+            PROPERTIES
+            RUNTIME_OUTPUT_DIRECTORY "${CMAKE_BINARY_DIR}/bin/unit_tests"
+            )
+
+    file(COPY ${CMAKE_CURRENT_SOURCE_DIR}/assets DESTINATION ${CMAKE_BINARY_DIR}/bin/unit_tests/nspv/)
+
+
+    target_enable_coverage(antara_blockchain_tests)
+    target_enable_tsan(antara_blockchain_tests)
+    target_enable_asan(antara_blockchain_tests)
+    target_enable_ubsan(antara_blockchain_tests)
+
+    if (EMSCRIPTEN)
+        message(STATUS "Emscripten detected")
+        if (ENABLE_HTML_COMPILATION)
+            message(STATUS "Html compilation enabled")
+            set_target_properties(antara_blockchain_tests PROPERTIES LINK_FLAGS "-s FORCE_FILESYSTEM=1 -s EXIT_RUNTIME=1"
+                    SUFFIX ".html")
+        else ()
+            message(STATUS "Local js compilation")
+            set_target_properties(antara_blockchain_tests PROPERTIES LINK_FLAGS "-s FORCE_FILESYSTEM=1 -s NODERAWFS=1 -s EXIT_RUNTIME=1")
+        endif ()
+    endif ()
+endif ()
\ No newline at end of file
diff --git a/modules/blockchain/antara/gaming/blockchain/antara.blockchain.tests.cpp b/modules/blockchain/antara/gaming/blockchain/antara.blockchain.tests.cpp
new file mode 100644
index 00000000..caa05e4d
--- /dev/null
+++ b/modules/blockchain/antara/gaming/blockchain/antara.blockchain.tests.cpp
@@ -0,0 +1,18 @@
+/******************************************************************************
+ * Copyright © 2013-2019 The Komodo Platform Developers.                      *
+ *                                                                            *
+ * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
+ * the top-level directory of this distribution for the individual copyright  *
+ * holder information and the developer policies on copyright and licensing.  *
+ *                                                                            *
+ * Unless otherwise agreed in a custom licensing agreement, no part of the    *
+ * Komodo Platform software, including this file may be copied, modified,     *
+ * propagated or distributed except according to the terms contained in the   *
+ * LICENSE file                                                               *
+ *                                                                            *
+ * Removal or modification of this copyright notice is prohibited.            *
+ *                                                                            *
+ ******************************************************************************/
+
+#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
+#include <doctest/doctest.h>
\ No newline at end of file
diff --git a/modules/blockchain/antara/gaming/blockchain/nspv.system.cpp b/modules/blockchain/antara/gaming/blockchain/nspv.system.cpp
new file mode 100644
index 00000000..bdc6d852
--- /dev/null
+++ b/modules/blockchain/antara/gaming/blockchain/nspv.system.cpp
@@ -0,0 +1,21 @@
+/******************************************************************************
+ * Copyright © 2013-2019 The Komodo Platform Developers.                      *
+ *                                                                            *
+ * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
+ * the top-level directory of this distribution for the individual copyright  *
+ * holder information and the developer policies on copyright and licensing.  *
+ *                                                                            *
+ * Unless otherwise agreed in a custom licensing agreement, no part of the    *
+ * Komodo Platform software, including this file may be copied, modified,     *
+ * propagated or distributed except according to the terms contained in the   *
+ * LICENSE file                                                               *
+ *                                                                            *
+ * Removal or modification of this copyright notice is prohibited.            *
+ *                                                                            *
+ ******************************************************************************/
+
+#include <antara/gaming/blockchain/nspv.system.hpp>
+
+namespace antara::gaming::blockchain
+{
+}
\ No newline at end of file
diff --git a/modules/blockchain/antara/gaming/blockchain/nspv.system.hpp b/modules/blockchain/antara/gaming/blockchain/nspv.system.hpp
new file mode 100644
index 00000000..123e5088
--- /dev/null
+++ b/modules/blockchain/antara/gaming/blockchain/nspv.system.hpp
@@ -0,0 +1,40 @@
+/******************************************************************************
+ * Copyright © 2013-2019 The Komodo Platform Developers.                      *
+ *                                                                            *
+ * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
+ * the top-level directory of this distribution for the individual copyright  *
+ * holder information and the developer policies on copyright and licensing.  *
+ *                                                                            *
+ * Unless otherwise agreed in a custom licensing agreement, no part of the    *
+ * Komodo Platform software, including this file may be copied, modified,     *
+ * propagated or distributed except according to the terms contained in the   *
+ * LICENSE file                                                               *
+ *                                                                            *
+ * Removal or modification of this copyright notice is prohibited.            *
+ *                                                                            *
+ ******************************************************************************/
+
+#pragma once
+
+#include <filesystem>
+#include <entt/entity/registry.hpp>
+#include <antara/gaming/core/real.path.hpp>
+#include <antara/gaming/ecs/system.hpp>
+
+namespace antara::gaming::blockchain {
+    class nspv final : public ecs::logic_update_system<nspv> {
+    public:
+        nspv(entt::registry &registry,
+             std::filesystem::path tools_path = antara::gaming::core::assets_real_path() / "tools") noexcept
+                : system(registry), tools_path_(std::move(tools_path)) {
+            this->disable();
+        }
+
+        void update() noexcept final {}
+
+    private:
+        std::filesystem::path tools_path_;
+    };
+}
+
+REFL_AUTO(type(antara::gaming::blockchain::nspv))
\ No newline at end of file
diff --git a/modules/blockchain/antara/gaming/blockchain/nspv.system.tests.cpp b/modules/blockchain/antara/gaming/blockchain/nspv.system.tests.cpp
new file mode 100644
index 00000000..77a09c77
--- /dev/null
+++ b/modules/blockchain/antara/gaming/blockchain/nspv.system.tests.cpp
@@ -0,0 +1,31 @@
+/******************************************************************************
+ * Copyright © 2013-2019 The Komodo Platform Developers.                      *
+ *                                                                            *
+ * See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at                  *
+ * the top-level directory of this distribution for the individual copyright  *
+ * holder information and the developer policies on copyright and licensing.  *
+ *                                                                            *
+ * Unless otherwise agreed in a custom licensing agreement, no part of the    *
+ * Komodo Platform software, including this file may be copied, modified,     *
+ * propagated or distributed except according to the terms contained in the   *
+ * LICENSE file                                                               *
+ *                                                                            *
+ * Removal or modification of this copyright notice is prohibited.            *
+ *                                                                            *
+ ******************************************************************************/
+
+#include <doctest/doctest.h>
+#include <antara/gaming/ecs/system.manager.hpp>
+#include "nspv.system.hpp"
+
+namespace antara::gaming::blockchain::tests
+{
+    TEST_CASE("nspv system creation")
+    {
+        entt::registry entity_registry;
+        [[ maybe_unused ]] entt::dispatcher& dispatcher{entity_registry.set<entt::dispatcher>()};
+        antara::gaming::ecs::system_manager mgr{entity_registry};
+
+        auto& nspv_system = mgr.create_system<blockchain::nspv>(std::filesystem::current_path() / "nspv/assets/tools");
+    }
+}
\ No newline at end of file
diff --git a/modules/blockchain/assets/tools/.gitkeep b/modules/blockchain/assets/tools/.gitkeep
new file mode 100644
index 00000000..e69de29b
diff --git a/modules/world/CMakeLists.txt b/modules/world/CMakeLists.txt
index 680311bc..642d6a7f 100644
--- a/modules/world/CMakeLists.txt
+++ b/modules/world/CMakeLists.txt
@@ -2,7 +2,7 @@
 add_library(antara_world_shared_sources STATIC)
 target_sources(antara_world_shared_sources PRIVATE antara/gaming/world/world.app.cpp)
 target_include_directories(antara_world_shared_sources PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
-target_link_libraries(antara_world_shared_sources PUBLIC antara::config antara::core antara::ecs)
+target_link_libraries(antara_world_shared_sources PUBLIC antara::config antara::core antara::ecs antara::log)
 if (EMSCRIPTEN)
     if (ENABLE_HTML_COMPILATION)
         target_compile_definitions(antara_world_shared_sources PUBLIC EMSCRIPTEN_ONLY_WEB)
diff --git a/modules/world/antara/gaming/world/world.app.cpp b/modules/world/antara/gaming/world/world.app.cpp
index 7339eb94..d9b7e805 100644
--- a/modules/world/antara/gaming/world/world.app.cpp
+++ b/modules/world/antara/gaming/world/world.app.cpp
@@ -18,6 +18,9 @@
 #include <emscripten.h>
 #endif
 
+#define LOGURU_USE_FMTLIB 1
+
+#include <loguru.hpp>
 #include "antara/gaming/core/real.path.hpp"
 #include "antara/gaming/config/config.loading.hpp"
 #include "antara/gaming/config/config.game.maker.hpp"
@@ -25,16 +28,14 @@
 #include "antara/gaming/world/world.app.hpp"
 
 //LCOV_EXCL_START
-void emscripten_antara_loop(void *world)
-{
+void emscripten_antara_loop(void *world) {
     static_cast<antara::gaming::world::app *>(world)->process_one_frame();
 }
 //LCOV_EXCL_STOP
-namespace antara::gaming::world
-{
+namespace antara::gaming::world {
     //! Constructor
-    app::app(std::string config_maker_name) noexcept
-    {
+    app::app(std::string config_maker_name) noexcept {
+        LOG_SCOPE_FUNCTION(INFO);
         auto cfg_maker = config::load_configuration<graphics::canvas_2d>(core::assets_real_path() / "config",
                                                                          std::move(config_maker_name));
         auto &canvas_2d_cmp = this->entity_registry_.set<graphics::canvas_2d>(cfg_maker);
@@ -43,8 +44,8 @@ namespace antara::gaming::world
     }
 
     //! Public callbacks
-    void app::receive_quit_game(const event::quit_game &evt) noexcept
-    {
+    void app::receive_quit_game(const event::quit_game &evt) noexcept {
+        LOG_SCOPE_FUNCTION(INFO);
         this->is_running_ = false;
         this->game_return_value_ = evt.return_value_;
         //LCOV_EXCL_START
@@ -54,8 +55,8 @@ namespace antara::gaming::world
         //LCOV_EXCL_STOP
     }
 
-    int app::run() noexcept
-    {
+    int app::run() noexcept {
+        LOG_SCOPE_FUNCTION(INFO);
         if (not system_manager_.nb_systems()) {
             return this->game_return_value_;
         }
@@ -74,8 +75,11 @@ namespace antara::gaming::world
         return this->game_return_value_;
     }
 
-    void app::process_one_frame()
-    {
+    void app::process_one_frame() {
         this->system_manager_.update();
     }
+
+    app::~app() noexcept {
+        LOG_SCOPE_FUNCTION(INFO);
+    }
 }
\ No newline at end of file
diff --git a/modules/world/antara/gaming/world/world.app.hpp b/modules/world/antara/gaming/world/world.app.hpp
index 15d18218..4a486b7f 100644
--- a/modules/world/antara/gaming/world/world.app.hpp
+++ b/modules/world/antara/gaming/world/world.app.hpp
@@ -29,7 +29,7 @@ namespace antara::gaming::world
     {
     public:
         app(std::string config_maker_name = "game.config.maker.json") noexcept;
-
+        ~app() noexcept;
         //! Public callbacks
         void receive_quit_game(const event::quit_game &evt) noexcept;
         int run() noexcept;