diff --git a/include/block.inc.php b/include/block.inc.php
index ab3d0c4..40ab1d3 100755
--- a/include/block.inc.php
+++ b/include/block.inc.php
@@ -24,6 +24,7 @@ public function add($height, $public_key, $nonce, $data, $date, $signature, $dif
 
         // create the block data and check it against the signature
         $info = "{$generator}-{$height}-{$date}-{$nonce}-{$json}-{$difficulty}-{$argon}";
+        _log($info,3);
         if (!$bootstrapping) {
             if (!$acc->check_signature($info, $signature, $public_key)) {
                 _log("Block signature check failed");
diff --git a/include/init.inc.php b/include/init.inc.php
index 72af49a..03aa339 100755
--- a/include/init.inc.php
+++ b/include/init.inc.php
@@ -1,6 +1,6 @@
 <?php
 // ARO version
-define("VERSION", "0.4.0");
+define("VERSION", "0.4.1");
 // Amsterdam timezone by default, should probably be moved to config
 date_default_timezone_set("UTC");
 
diff --git a/mine.php b/mine.php
index 6c28e64..68ba36f 100755
--- a/mine.php
+++ b/mine.php
@@ -55,7 +55,7 @@
             $argon_mem=524288;
             $argon_threads=1;
             $argon_time=1;
-        } 
+        }
     } else {
         if ($current_height%3==0) {
             $argon_mem=524288;
@@ -110,6 +110,104 @@
         }
     }
     api_err("rejected");
+} elseif ($q == "submitBlock") {
+    // in case the blocks are syncing, reject all
+    if ($_config['sanity_sync'] == 1) {
+        api_err("sanity-sync");
+    }
+    $nonce = san($_POST['nonce']);
+    $argon = $_POST['argon'];
+    $public_key = san($_POST['public_key']);
+    // check if the miner won the block
+    
+    $result = $block->mine($public_key, $nonce, $argon);
+    
+    if ($result) {
+        // generate the new block
+        $date = intval($_POST['date']);
+        if ($date <= $current['date']) {
+            api_err("rejected - date");
+        }
+
+        // get the mempool transactions
+        $txn = new Transaction();
+        $current = $block->current();
+        $height = $current['height'] += 1;
+  
+        // get the mempool transactions
+        $txn = new Transaction();
+        
+
+        $difficulty = $block->difficulty();
+        $acc = new Account();
+        $generator = $acc->get_address($public_key);
+
+        $data=json_decode($_POST['data'], true);
+           
+        // sign the block
+        $signature = san($_POST['signature']);
+
+        // reward transaction and signature
+        $reward = $block->reward($height, $data);
+        $msg = '';
+        $transaction = [
+            "src"        => $generator,
+            "dst"        => $generator,
+            "val"        => $reward,
+            "version"    => 0,
+            "date"       => $date,
+            "message"    => $msg,
+            "fee"        => "0.00000000",
+            "public_key" => $public_key,
+        ];
+        ksort($transaction);
+        $reward_signature = san($_POST['reward_signature']);
+
+        // add the block to the blockchain
+        $res = $block->add(
+            $height,
+            $public_key,
+            $nonce,
+            $data,
+            $date,
+            $signature,
+            $difficulty,
+            $reward_signature,
+            $argon
+        );
+
+
+        if ($res) {
+            //if the new block is generated, propagate it to all peers in background
+            $current = $block->current();
+            system("php propagate.php block $current[id]  > /dev/null 2>&1  &");
+            api_echo("accepted");
+        } else {
+            api_err("rejected - add");
+        }
+    }
+    api_err("rejected");
+} elseif ($q == "getWork") {
+    if ($_config['sanity_sync'] == 1) {
+        api_err("sanity-sync");
+    }
+    $block = new Block();
+    $current = $block->current();
+    $height = $current['height'] += 1;
+    $date = time();
+    // get the mempool transactions
+    $txn = new Transaction();
+    $data = $txn->mempool($block->max_transactions());
+
+
+    $difficulty = $block->difficulty();
+    // always sort  the transactions in the same way
+    ksort($data);
+
+
+    // reward transaction and signature
+    $reward = $block->reward($height, $data);
+    api_echo(["height"=>$height, "data"=>$data, "reward"=>$reward, "block"=>$current['id'], "difficulty"=>$difficulty]);
 } else {
     api_err("invalid command");
 }