diff --git a/.gitmodules b/.gitmodules
index 94115f227..7500d3d77 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,3 +16,6 @@
 [submodule "dependencies/grpc"]
 	path = dependencies/grpc
 	url = https://github.com/grpc/grpc.git
+[submodule "dependencies/poco"]
+	path = dependencies/poco
+	url = https://github.com/pocoproject/poco.git
diff --git a/CMakeLists.txt b/CMakeLists.txt
index efa20b628..8f442c87e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -14,6 +14,7 @@ include_directories(
 	"dependencies/spirit-po/include"
 	"dependencies/grpc/include"
 	"dependencies/grpc/third_party/protobuf/src"
+	#"dependencies/grpc/third_party/boringssl-with-bazel/src/include"
 	"src/cpp/proto"
 	#"dependencies/mariadb-connector-c/build/include"
 	#"dependencies/mariadb-connector-c/include"
@@ -21,6 +22,7 @@ include_directories(
 )
 
 
+
 FILE(GLOB CONTROLLER "src/cpp/controller/*.cpp" "src/cpp/controller/*.h")
 FILE(GLOB TINF "dependencies/tinf/src/*.c" "dependencies/tinf/src/*.h")
 FILE(GLOB HTTPInterface "src/cpp/HTTPInterface/*.h" "src/cpp/HTTPInterface/*.cpp")
@@ -80,6 +82,7 @@ source_group("Test\\controller" FILES ${TEST_CONTROLLER})
 source_group("Test" FILES ${TEST})
 endif(MSVC)
 
+
 include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
 conan_basic_setup()
 
@@ -163,16 +166,38 @@ set(CMAKE_CXX_FLAGS         "/MP /EHsc")
 #set(CMAKE_CXX_FLAGS_RELEASE "-O3")
 
 else(WIN32)
+set(GRPC_BORING_SSL_PATH "dependencies/grpc/build/third_party/boringssl-with-bazel")
+find_library(GRPC_BORING_SSL_CRYPTO crypto ${GRPC_BORING_SSL_PATH} REQUIRED)
+find_library(GRPC_BORING_SSL_SSL ssl ${GRPC_BORING_SSL_PATH} REQUIRED)
+set(GRPC_LIBS 
+	#${GRPC_BORING_SSL_CRYPTO} 
+	#${GRPC_BORING_SSL_SSL}
+)
+#find_package(OpenSSL REQUIRED)
+find_package(PROTOBUF PATHS "dependencies/grpc/build/third_party/protobuf" REQUIRED)
+set(gRPC_SSL_PROVIDER "module")
+find_package(gRPC PATHS "dependencies/grpc/build" REQUIRED)
+find_package(Threads REQUIRED)
+set(CMAKE_MODULE_PATH ${CMAKE_BINARY_DIR})
+
+#find_package(Poco REQUIRED)
+#find_package(libsodium REQUIRED)
+#find_package(gtest REQUIRED)
 find_library(IROHA_ED25519 ed25519 PATHS "dependencies/iroha-ed25519/build" REQUIRED)
 # set vars for mariadb cmake files 
 set(INSTALL_BINDIR "bin")
 set(INSTALL_PLUGINDIR "bin")
+OPTION(WITH_SSL "" OFF)
 add_subdirectory("dependencies/mariadb-connector-c")
 
 
 include_directories(
 	"dependencies/mariadb-connector-c/include"
 	"build/dependencies/mariadb-connector-c/include"
+	#${OpenSSL_INCLUDE_DIR}
+	#${Poco_INCLUDE_DIR}
+ 	#${libsodium_INCLUDE_DIR}
+	#${gtest_INCLUDE_DIR}    
 )
 
 
@@ -181,13 +206,32 @@ endif(WIN32)
 
 add_subdirectory("dependencies/grpc/third_party/abseil-cpp")
 
+
+#target_link_libraries(Gradido_LoginServer absl::base absl::flat_hash_map absl::flags absl::memory absl::meta absl::numeric absl::strings)# ${CONAN_LIBS} ${IROHA_ED25519})
+message(STATUS "Conan libs: ")
+list(REMOVE_ITEM CONAN_LIBS "ssl")
+list(REMOVE_ITEM CONAN_LIBS "crypto")
+foreach(i ${CONAN_LIBS})
+
+message(STATUS ${i})
+
+endforeach(i)
+
+
 target_link_libraries(Gradido_LoginServer absl::base absl::flat_hash_map absl::flags absl::memory absl::meta absl::numeric absl::strings ${CONAN_LIBS})
+
 if(WIN32)
 TARGET_LINK_LIBRARIES(Gradido_LoginServer optimized  ${MYSQL_LIBRARIES} Shlwapi)
 TARGET_LINK_LIBRARIES(Gradido_LoginServer debug ${COMPILED_MARIADB_CLIENT_DEBUG} Shlwapi)
 TARGET_LINK_LIBRARIES(Gradido_LoginServer debug ${GRPC_LIBS} ${PROTOBUF_DEBUG_LIBS})
 else(WIN32)
-target_link_libraries(Gradido_LoginServer libmariadb protoc protobuf -pthread)
+target_link_libraries(Gradido_LoginServer gRPC::grpc++)
+target_link_libraries(Gradido_LoginServer ${CONAN_LIBS})
+target_link_libraries(Gradido_LoginServer libmariadb  )# ${GRPC_LIBS} protoc protobuf pthread)
+#target_link_libraries(Gradido_LoginServer ${OpenSSL_LIBS} ${Poco_LIBS} ${libsodium_LIBS} )
+
+
+
 endif(WIN32)
 
 # install 
@@ -218,7 +262,7 @@ if(WIN32)
 	TARGET_LINK_LIBRARIES(Gradido_LoginServer_Test debug ${COMPILED_MARIADB_CLIENT_DEBUG} Shlwapi)
 	TARGET_LINK_LIBRARIES(Gradido_LoginServer_Test debug ${GRPC_LIBS} ${PROTOBUF_DEBUG_LIBS})
 else(WIN32)
-	target_link_libraries(Gradido_LoginServer_Test libmariadb protoc protobuf -pthread)
+	target_link_libraries(Gradido_LoginServer_Test libmariadb protoc protobuf pthread)
 endif(WIN32)
 
 add_test(NAME main COMMAND Gradido_LoginServer_Test)
diff --git a/dependencies/poco b/dependencies/poco
new file mode 160000
index 000000000..3fc3e5f5b
--- /dev/null
+++ b/dependencies/poco
@@ -0,0 +1 @@
+Subproject commit 3fc3e5f5b8462f7666952b43381383a79b8b5d92
diff --git a/src/cpp/Crypto/KeyPairHedera.cpp b/src/cpp/Crypto/KeyPairHedera.cpp
index 4a9220600..ac974fdc1 100644
--- a/src/cpp/Crypto/KeyPairHedera.cpp
+++ b/src/cpp/Crypto/KeyPairHedera.cpp
@@ -44,7 +44,7 @@ KeyPairHedera::KeyPairHedera(const unsigned char* privateKey, size_t privateKeyS
 			}
 			break;
 		default:
-			throw std::exception("[KeyPairHedera] invalid private key");
+			throw Poco::Exception("[KeyPairHedera] invalid private key");
 		}
 
 		// check public
@@ -62,7 +62,7 @@ KeyPairHedera::KeyPairHedera(const unsigned char* privateKey, size_t privateKeyS
 			}
 			break;
 		default:
-			throw std::exception("[KeyPairHedera] invalid public key");
+			throw Poco::Exception("[KeyPairHedera] invalid public key");
 		}
 	}
 	auto public_key_2 = mm->getFreeMemory(crypto_sign_PUBLICKEYBYTES);
@@ -218,4 +218,4 @@ MemoryBin* KeyPairHedera::getPublicKeyCopy() const
 	auto public_key = mm->getFreeMemory(crypto_sign_PUBLICKEYBYTES);
 	memcpy(*public_key, mPublicKey, crypto_sign_PUBLICKEYBYTES);
 	return public_key;
-}
\ No newline at end of file
+}
diff --git a/src/cpp/controller/HederaAccount.h b/src/cpp/controller/HederaAccount.h
index 89595b3bb..94e21a597 100644
--- a/src/cpp/controller/HederaAccount.h
+++ b/src/cpp/controller/HederaAccount.h
@@ -53,4 +53,4 @@ namespace controller {
 	};
 }
 
-#endif //GRADIDO_LOGIN_SERVER_CONTROLLER_HEDERA_ACCOUNT_INCLUDE
\ No newline at end of file
+#endif //GRADIDO_LOGIN_SERVER_CONTROLLER_HEDERA_ACCOUNT_INCLUDE
diff --git a/src/proto b/src/proto
index 72e8fe7b7..81a461566 160000
--- a/src/proto
+++ b/src/proto
@@ -1 +1 @@
-Subproject commit 72e8fe7b73a1aaf2d057d2fef59ade9268830008
+Subproject commit 81a461566e46d71533dc3e284fa075d7d68fd020
diff --git a/unix_parse_proto.sh b/unix_parse_proto.sh
new file mode 100755
index 000000000..3727cc985
--- /dev/null
+++ b/unix_parse_proto.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+if [ ! -d "./src/cpp/proto" ] ; then
+	mkdir ./src/cpp/proto
+fi
+if [ ! -d "./src/cpp/proto/gradido" ] ; then
+	mkdir ./src/cpp/proto/gradido
+fi
+PROTOC_PATH=./dependencies/grpc/build/third_party/protobuf
+CPP_PLUGIN_PATH=./dependencies/grpc/build
+$PROTOC_PATH/protoc --cpp_out=./src/cpp/proto --proto_path=./src/proto ./src/proto/gradido/*.proto
+
+if [ ! -d "./src/cpp/proto/hedera" ] ; then 
+	mkdir ./src/cpp/proto/hedera 
+fi
+
+GOOGLE_PROTOBUF_INCLUDES=./dependencies/grpc/third_party/protobuf/src
+$PROTOC_PATH/protoc --plugin=protoc-gen-grpc=$CPP_PLUGIN_PATH/grpc_cpp_plugin --cpp_out=./src/cpp/proto/hedera --grpc_out=./src/cpp/proto/hedera --proto_path=$GOOGLE_PROTOBUF_INCLUDES --proto_path=./src/proto/hedera/hedera-protobuf/src/main/proto ./src/proto/hedera/hedera-protobuf/src/main/proto/*.proto
+
+