diff --git a/daemon b/daemon
index f90e1fb..ba3b892 100755
--- a/daemon
+++ b/daemon
@@ -2,9 +2,16 @@
 
 ABSPATH=$( dirname $(realpath $0) );
 
+source $ABSPATH/include/bash/const;
+source $ABSPATH/include/bash/func;
+
 # (1) Check synchronization done #
 if [ ! -e /target/sync ]; then
 	slog "[!] not synced yet, aborting" - "daemon" && exit 127;
 fi;
 
-$ABSPATH/lib/mfrc522/loop;
+# (2) Get the list of etrees #
+cat $ETREE_CONF | \
+while read etree; do
+	sudo systemctl restart sats-feature@$ETREE_CONF.service;
+done;
diff --git a/lib/mfrc522/loop b/feature/rfid-read/main
similarity index 100%
rename from lib/mfrc522/loop
rename to feature/rfid-read/main
diff --git a/lib/mfrc522/read b/feature/rfid-read/read
similarity index 100%
rename from lib/mfrc522/read
rename to feature/rfid-read/read
diff --git a/lib/mfrc522/source/MFRC522.py b/feature/rfid-read/source/MFRC522.py
similarity index 100%
rename from lib/mfrc522/source/MFRC522.py
rename to feature/rfid-read/source/MFRC522.py
diff --git a/lib/mfrc522/source/loop.php b/feature/rfid-read/source/loop.php
similarity index 98%
rename from lib/mfrc522/source/loop.php
rename to feature/rfid-read/source/loop.php
index d6868f5..bd7b3df 100755
--- a/lib/mfrc522/source/loop.php
+++ b/feature/rfid-read/source/loop.php
@@ -2,7 +2,7 @@
 
 <?php
 
-	require_once __DIR__.'/../../include/php/const';
+	require_once __DIR__.'/../../lib/include/php/const';
 
 	$f_auth;
 	$f_accesslog;
@@ -13,6 +13,8 @@
 	$last_user = null;
 	$timeout   = 0;
 
+	$FEATURE = basename(dirname(__DIR__));
+
 
 
 
@@ -265,7 +267,7 @@
 		$f_actions   = new SplFileObject(ACTIONS_CONF, 'r');
 
 		/* (2) Append accesses (logs) */
-		$f_accesslog = new SplFileObject(DEFAULT_DATA, 'a');
+		$f_accesslog = new SplFileObject(DATA_DIR."/$FEATURE", 'a');
 
 
 
diff --git a/lib/mfrc522/source/read.py b/feature/rfid-read/source/read.py
similarity index 100%
rename from lib/mfrc522/source/read.py
rename to feature/rfid-read/source/read.py
diff --git a/lib/api/source/deploy.php b/lib/api/source/deploy.php
index 2706676..57e640d 100755
--- a/lib/api/source/deploy.php
+++ b/lib/api/source/deploy.php
@@ -130,6 +130,26 @@
 		$f = null;
 
 
+		/* [6] Get etrees list
+		=========================================================*/
+		/* (1) Check data */
+		if( !isset($arr_r['etrees']) || !is_array($arr_r['etrees']) ){
+			slog('No \'etree\' found in api.response file', 'api:deploy', 'update');
+			return 127;
+		}
+
+		/* (2) Reset file */
+		file_put_contents(ETREE_CONF, '');
+
+		/* (3) Replace content */
+		$f = new SplFileObject(ETREE_CONF, 'w');
+
+		foreach($arr_r['etrees'] as $etree)
+			$f->fwrite( $etree.PHP_EOL );
+
+		$f = null;
+
+
 
 		/* [6] Remove history entries
 		=========================================================*/
@@ -178,33 +198,33 @@
 			return 0;
 		}
 
-		/* (1) Check history entries count */
-		if( !isset($arr_r['saved']) || !is_array($arr_r['saved']) ){
-			slog('No \'saved\' found in api.response file', 'api:deploy', 'update');
-			return 127;
-		}
+		if( isset($arr_r['saved']) && is_array($arr_r['saved']) ){
 
-		/* (2) Check history count */
-		if( !isset($arr_r['saved']['history']) || !is_numeric($arr_r['saved']['history']) ){
-			slog('No \'actions\'.\'history\' found in api.response file', 'api:deploy', 'update');
-			return 127;
-		}
+			foreach($arr_r['saved'] as $feat_name=>$count){
 
-		/* (3) Fetch number of entries */
-		$saved = intval($arr_r['saved']['history']);
-		$saved = $saved < 0 ? 0 : $saved; // prevent negative
+				/* (2) Check history count */
+				if( !is_numeric($count) ){
+					slog("No \'history\' found for '$feat_name' in api.response file", 'api:deploy', 'update');
+					return 127;
+				}
 
-		/* (4) Truncate the log file */
-		$truncated = syscall(SOURCE_DIR."/lib/file/truncate mfrc522 {$saved}");
+				/* (3) Fetch number of entries */
+				$saved = intval($count);
+				$saved = $saved < 0 ? 0 : $saved; // prevent negative
 
-		/* (5) Manage error */
-		if( $truncated === false ){
-			slog('History cannot be truncated', 'api:deploy', 'update');
-			return 127;
-		}
+				/* (4) Truncate the log file */
+				$truncated = syscall(SOURCE_DIR."/lib/file/truncate $feat_name {$saved}");
+
+				/* (5) Manage error */
+				if( $truncated === false ){
+					slog('History cannot be truncated', 'api:deploy', 'update');
+					return 127;
+				}
 
 
-		slog('History succesfully truncated', 'api:deploy', 'update');
+				slog("History '$feat_name' succesfully truncated", 'api:deploy', 'update');
+
+			}
 		return 0;
 	}
 
diff --git a/lib/api/source/fetch.php b/lib/api/source/fetch.php
index cc4b0c2..065750e 100755
--- a/lib/api/source/fetch.php
+++ b/lib/api/source/fetch.php
@@ -4,57 +4,41 @@
 
 	function api_fetch(){
 
-		/* [1] Fetch & generate useful data from features
+		$data = [];
+
+		/* [1] Get the list of daemons (features)
 		=========================================================*/
-		/* (1) Initialize dataset
-		---------------------------------------------------------*/
-		$data = [
-			'default'  => [],
-			'feature'  => [],
-			'identity' => [
-				'ap' => syscall(SOURCE_DIR.'/lib/netid/ap'),
-				'ip' => syscall(SOURCE_DIR.'/lib/netid/ip')
-			]
-		];
-
-
-		/* (2) Fetch DEFAULT data log
-		---------------------------------------------------------*/
-		$f = new SplFileObject(DEFAULT_DATA, 'r');
+		$f = new SplFileObject(ETREE_CONF, 'r');
 
 		while( !$f->eof() ){
 
 			/* (1) Try to parse each line */
-			$parsed = json_decode($f->fgets(), true);
+			$etree = $f->fgets();
 
 			/* (2) Manage error */
-			if( is_null($parsed) )
+			if( is_null($etree) )
 				continue;
 
 			/* (3) Add entry to log */
-			$data['default'][] = $parsed;
+			$data['feature'][$etree] = [];
 
 		}
 
 
 
-		/* (3) Fetch for each feature which generates data
+		/* [2] Fetch & generate useful data from features
+		=========================================================*/
+		/* (1) Get identity
 		---------------------------------------------------------*/
-		foreach(scandir(SOURCE_DIR.'/feature') as $feat_name){
+		$data['identity'] = [
+			'ap' => syscall(SOURCE_DIR.'/lib/netid/ap'),
+			'ip' => syscall(SOURCE_DIR.'/lib/netid/ip')
+		];
 
-			/* (1) Ignore . and .. entries */
-			if( in_array($feat_name, ['.', '..']) )
-				continue;
 
-			/* (2) Get absolute path */
-			$abs_path = SOURCE_DIR."/feature/$feat_name";
-
-			/* (3) Check if it is a directory */
-			if( !file_exists($abs_path) || !is_dir($abs_path) )
-				continue;
-
-			/* (4) Store the feature entry (empty) */
-			$data['feature'][$feat_name] = [];
+		/* (2) Fetch for each feature which generates data
+		---------------------------------------------------------*/
+		foreach($data['feature'] as $feat_name=>$feat_data){
 
 			/* (5) Check for feature access log */
 			if( !file_exists(DATA_DIR."/$feat_name") )
diff --git a/lib/include/bash/const b/lib/include/bash/const
index 9248767..3e59df2 100755
--- a/lib/include/bash/const
+++ b/lib/include/bash/const
@@ -26,6 +26,7 @@ export AUTH_CONF="$CONF_DIR/auth.list";
 export STATES_CONF="$CONF_DIR/states.list";
 export CHIPS_CONF="$CONF_DIR/chips.list";
 export ACTIONS_CONF="$CONF_DIR/actions.list";
+export ETREE_CONF="$CONF_DIR/etree.list";
 
 
 # LOG FILES
@@ -35,10 +36,6 @@ export INSTALL_LOG="$LOG_DIR/install-source.log";
 export UPDATE_LOG="$LOG_DIR/update.log";
 
 
-# DATA FILES
-export DEFAULT_DATA="$DATA_DIR/mfrc522";
-
-
 # SETTINGS
 export SECRET_SIZE=250;
 
diff --git a/lib/include/php/const b/lib/include/php/const
index b637722..93ca8de 100755
--- a/lib/include/php/const
+++ b/lib/include/php/const
@@ -25,6 +25,7 @@
 	define('STATES_CONF',  CONF_DIR.'/states.list');
 	define('CHIPS_CONF',   CONF_DIR.'/chips.list');
 	define('ACTIONS_CONF', CONF_DIR.'/actions.list');
+	define('ETREE_CONF',   CONF_DIR.'/etree.list');
 
 	# LOG FILES
 	define('BOOT_LOG', LOG_DIR.'/boot.log');
@@ -32,9 +33,6 @@
 	define('INSTALL_LOG', LOG_DIR.'/install-source.log');
 	define('UPDATE_LOG', LOG_DIR.'/update.log');
 
-	# DATA FILES
-	define('DEFAULT_DATA',  DATA_DIR.'/mfrc522');
-
 	# SETTINGS
 	define('SECRET_SIZE', 250);