diff --git a/skeema/gradido_login/user_backups.sql b/skeema/gradido_login/user_backups.sql
index 29fd3037a..9fe9d810e 100644
--- a/skeema/gradido_login/user_backups.sql
+++ b/skeema/gradido_login/user_backups.sql
@@ -2,5 +2,6 @@ CREATE TABLE `user_backups` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `user_id` int(11) NOT NULL,
   `passphrase` text COLLATE utf8_bin NOT NULL,
+  `mnemonic_type` int(11) NULL,
   PRIMARY KEY (`id`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_bin;
diff --git a/src/cpp/controller/UserBackups.cpp b/src/cpp/controller/UserBackups.cpp
index 9eb744ac6..9d683f758 100644
--- a/src/cpp/controller/UserBackups.cpp
+++ b/src/cpp/controller/UserBackups.cpp
@@ -15,10 +15,10 @@ namespace controller {
 
 	//  ---------------   static members ----------------------------- 
 
-	Poco::AutoPtr<UserBackups> UserBackups::create(int user_id, const std::string& passphrase)
+	Poco::AutoPtr<UserBackups> UserBackups::create(int user_id, const std::string& passphrase, ServerConfig::Mnemonic_Types type)
 	{
 		
-		auto db = new model::table::UserBackups(user_id, passphrase);
+		auto db = new model::table::UserBackups(user_id, passphrase, type);
 		return Poco::AutoPtr<UserBackups>(new UserBackups(db));
 	}
 
@@ -59,6 +59,11 @@ namespace controller {
 		return mKeyPair;
 	}
 
+	KeyPairEd25519* UserBackups::createGradidoKeyPair()
+	{
+
+	}
+
 	std::string UserBackups::getPassphrase(ServerConfig::Mnemonic_Types type)
 	{
 		if ((int)type < 0 || (int)type >= ServerConfig::Mnemonic_Types::MNEMONIC_MAX) {
diff --git a/src/cpp/controller/UserBackups.h b/src/cpp/controller/UserBackups.h
index d54e9f7d5..c1cb08047 100644
--- a/src/cpp/controller/UserBackups.h
+++ b/src/cpp/controller/UserBackups.h
@@ -3,6 +3,7 @@
 
 #include "../model/table/UserBackups.h"
 #include "../Crypto/KeyPair.h"
+#include "../Crypto/KeyPairEd25519.h"
 
 #include "Poco/SharedPtr.h"
 
@@ -15,7 +16,7 @@ namespace controller {
 
 		~UserBackups();
 
-		static Poco::AutoPtr<UserBackups> create(int user_id, const std::string& passphrase);
+		static Poco::AutoPtr<UserBackups> create(int user_id, const std::string& passphrase, ServerConfig::Mnemonic_Types type);
 
 		static std::vector<Poco::AutoPtr<UserBackups>> load(int user_id);
 
@@ -23,8 +24,13 @@ namespace controller {
 
 		inline Poco::AutoPtr<model::table::UserBackups> getModel() { return _getModel<model::table::UserBackups>(); }
 
+		//! depracted
 		//! \return create keyPair from passphrase if not exist, else return existing pointer
 		Poco::SharedPtr<KeyPair> getKeyPair();
+
+		//! \return newly created key pair from passphrase or nullptr if not possible, caller becomes owner of pointer
+		KeyPairEd25519* createGradidoKeyPair();
+
 		//! \brief adding newlines to make block format
 		static std::string formatPassphrase(std::string passphrase, int targetLinesCount = 5);
 
diff --git a/src/cpp/model/table/UserBackups.cpp b/src/cpp/model/table/UserBackups.cpp
index 1adbfbc51..047593b89 100644
--- a/src/cpp/model/table/UserBackups.cpp
+++ b/src/cpp/model/table/UserBackups.cpp
@@ -6,20 +6,20 @@ namespace model {
 	namespace table {
 
 		UserBackups::UserBackups()
-			: mUserId(0)
+			: mUserId(0), mMnemonicType(0)
 		{
 
 		}
 
-		UserBackups::UserBackups(int user_id, const std::string& passphrase)
-			: mUserId(user_id), mPassphrase(passphrase)
+		UserBackups::UserBackups(int user_id, const std::string& passphrase, ServerConfig::Mnemonic_Types type)
+			: mUserId(user_id), mPassphrase(passphrase), mMnemonicType(type)
 		{
 
 		}
 
 
 		UserBackups::UserBackups(const UserBackupsTuple& tuple)
-			: ModelBase(tuple.get<0>()), mUserId(tuple.get<1>()), mPassphrase(tuple.get<2>())
+			: ModelBase(tuple.get<0>()), mUserId(tuple.get<1>()), mPassphrase(tuple.get<2>()), mMnemonicType(tuple.get<3>())
 		{
 
 		}
@@ -35,8 +35,8 @@ namespace model {
 
 			lock();
 			insert << "INSERT INTO " << getTableName()
-				<< " (user_id, passphrase) VALUES(?,?)"
-				, use(mUserId), bind(mPassphrase);
+				<< " (user_id, passphrase, mnemonic_type) VALUES(?,?,?)"
+				, use(mUserId), bind(mPassphrase), use(mMnemonicType);
 			unlock();
 			return insert;
 		}
@@ -46,9 +46,9 @@ namespace model {
 		{
 			Poco::Data::Statement select(session);
 
-			select << "SELECT id, user_id, passphrase FROM " << getTableName()
+			select << "SELECT id, user_id, passphrase, mnemonic_type FROM " << getTableName()
 				<< " where " << fieldName << " = ?"
-				, into(mID), into(mUserId), into(mPassphrase);
+				, into(mID), into(mUserId), into(mPassphrase), into(mMnemonicType);
 
 
 			return select;
@@ -69,7 +69,7 @@ namespace model {
 		{
 			Poco::Data::Statement select(session);
 
-			select << "SELECT id, user_id, passphrase FROM " << getTableName()
+			select << "SELECT id, user_id, passphrase, mnemonic_type FROM " << getTableName()
 				<< " where " << fieldName << " = ?";
 
 
@@ -83,7 +83,7 @@ namespace model {
 				throw Poco::NullValueException("UserRoles::_loadFromDB fieldNames empty or contain only one field");
 			}
 
-			select << "SELECT id, user_id, passphrase FROM " << getTableName()
+			select << "SELECT id, user_id, passphrase, mnemonic_type FROM " << getTableName()
 				<< " where " << fieldNames[0] << " = ? ";
 			if (conditionType == MYSQL_CONDITION_AND) {
 				for (int i = 1; i < fieldNames.size(); i++) {
@@ -99,7 +99,7 @@ namespace model {
 				addError(new ParamError("UserBackups::_loadFromDB", "condition type not implemented", conditionType));
 			}
 			//<< " where " << fieldName << " = ?"
-			select, into(mID), into(mUserId), into(mPassphrase);
+			select, into(mID), into(mUserId), into(mPassphrase), into(mMnemonicType);
 
 
 			return select;
@@ -111,6 +111,7 @@ namespace model {
 			std::stringstream ss;
 			ss << "user_id: " << mUserId << std::endl;
 			ss << "passphrase: " << mPassphrase << std::endl;
+			ss << "mnemonic type: " << mMnemonicType << std::endl;
 			return ss.str();
 		}
 	}
diff --git a/src/cpp/model/table/UserBackups.h b/src/cpp/model/table/UserBackups.h
index df1cc0fa0..cad5f4910 100644
--- a/src/cpp/model/table/UserBackups.h
+++ b/src/cpp/model/table/UserBackups.h
@@ -7,12 +7,12 @@
 namespace model {
 	namespace table {
 
-		typedef Poco::Tuple<int, int, std::string> UserBackupsTuple;
+		typedef Poco::Tuple<int, int, std::string, int> UserBackupsTuple;
 
 		class UserBackups : public ModelBase
 		{
 		public:
-			UserBackups(int user_id, const std::string& passphrase);
+			UserBackups(int user_id, const std::string& passphrase, ServerConfig::Mnemonic_Types type);
 			UserBackups(const UserBackupsTuple& tuple);
 			UserBackups();
 			~UserBackups();
@@ -23,6 +23,7 @@ namespace model {
 
 			inline int getUserId() const { return mUserId; }
 			inline const std::string& getPassphrase() const { return mPassphrase; }
+			inline int getMnemonicType() const { return mMnemonicType; }
 
 			inline void setUserId(int user_Id) { mUserId = user_Id; }
 
@@ -35,6 +36,7 @@ namespace model {
 
 			int			 mUserId;
 			std::string  mPassphrase;
+			int			 mMnemonicType;
 
 		};