diff --git a/src/blockchain/chain.rs b/src/blockchain/chain.rs
index 2a79a89..6f0c556 100644
--- a/src/blockchain/chain.rs
+++ b/src/blockchain/chain.rs
@@ -204,7 +204,7 @@ impl Chain {
 
         let block = self.last_block().unwrap();
         if block.transaction.is_none() {
-            trace!("No need to sign signing block");
+            trace!("No need to mine signing block");
             return None;
         }
         let keystore = keystore.clone().unwrap().clone();
@@ -229,6 +229,7 @@ impl Chain {
             }
             block.index = self.height() + 1;
             block.prev_block_hash = self.last_block.clone().unwrap().hash;
+            return Some(block);
         }
         None
     }
diff --git a/src/miner.rs b/src/miner.rs
index 75bffdb..75a4d2d 100644
--- a/src/miner.rs
+++ b/src/miner.rs
@@ -191,7 +191,9 @@ impl Miner {
                             }
                             context.chain.add_block(block);
                             let option = Some(job.keystore);
-                            context.chain.update(&option);
+                            if let Some(event) = context.chain.update(&option) {
+                                context.bus.post(event);
+                            }
                             success = true;
                         }
                         context.bus.post(Event::MinerStopped { success, full });
@@ -230,8 +232,9 @@ fn find_hash(context: Arc<Mutex<Context>>, mut block: Block, running: Arc<Atomic
         };
 
         if full && next_allowed_block > block.index {
+            //trace!("Mining full block is not allowed until previous is not signed");
             // We can't mine now, as we need to wait for block to be signed
-            thread::sleep(Duration::from_millis(1000));
+            thread::sleep(Duration::from_millis(5000));
             continue;
         }
         debug!("Mining block {}", serde_json::to_string(&block).unwrap());
diff --git a/src/p2p/network.rs b/src/p2p/network.rs
index 5dee5ab..7ba001b 100644
--- a/src/p2p/network.rs
+++ b/src/p2p/network.rs
@@ -150,6 +150,10 @@ impl Network {
                         if log_timer.elapsed().as_secs() > LOG_REFRESH_DELAY_SEC {
                             info!("Active nodes count: {}, blocks count: {}", nodes, height);
                             log_timer = Instant::now();
+                            let keystore = context.keystore.clone();
+                            if let Some(event) = context.chain.update(&keystore) {
+                                context.bus.post(event);
+                            }
                         }
                         (height, context.chain.last_hash())
                     };
@@ -479,7 +483,9 @@ fn process_new_block(context: Arc<Mutex<Context>>, peers: &mut Peers, token: &To
         BlockQuality::Good => {
             context.chain.add_block(block);
             let keystore = context.keystore.clone();
-            context.chain.update(&keystore);
+            if let Some(event) = context.chain.update(&keystore) {
+                context.bus.post(event);
+            }
             let my_height = context.chain.height();
             context.bus.post(crate::event::Event::BlockchainChanged { index: my_height });
             // If it was the last block to sync
@@ -506,7 +512,9 @@ fn process_new_block(context: Arc<Mutex<Context>>, peers: &mut Peers, token: &To
             if block.is_better_than(&last_block) {
                 context.chain.replace_block(block.index, block).expect("Error replacing block with fork");
                 let keystore = context.keystore.clone();
-                context.chain.update(&keystore);
+                if let Some(event) = context.chain.update(&keystore) {
+                    context.bus.post(event);
+                }
                 let index = context.chain.height();
                 context.bus.post(crate::event::Event::BlockchainChanged { index });
             }
diff --git a/src/web_ui.rs b/src/web_ui.rs
index a74b280..6713023 100644
--- a/src/web_ui.rs
+++ b/src/web_ui.rs
@@ -1,8 +1,8 @@
-extern crate web_view;
-extern crate tinyfiledialogs as tfd;
+extern crate open;
 extern crate serde;
 extern crate serde_json;
-extern crate open;
+extern crate tinyfiledialogs as tfd;
+extern crate web_view;
 
 use std::sync::{Arc, Mutex, MutexGuard};
 use std::thread;
@@ -196,6 +196,11 @@ fn action_loaded(context: &Arc<Mutex<Context>>, web_view: &mut WebView<()>) {
     let context_copy = Arc::clone(&context);
     let mut c = context.lock().unwrap();
 
+    let keystore = c.keystore.clone();
+    if let Some(event) = c.chain.update(&keystore) {
+        c.bus.post(event);
+    }
+
     c.bus.register(move |_uuid, e| {
         //debug!("Got event from bus {:?}", &e);
         let status = Arc::clone(&status);
@@ -215,6 +220,10 @@ fn action_loaded(context: &Arc<Mutex<Context>>, web_view: &mut WebView<()>) {
                 Event::KeyLoaded { path, public, hash } |
                 Event::KeySaved { path, public, hash } => {
                     load_domains(&mut context, &handle);
+                    let keystore = context.keystore.clone();
+                    if let Some(event) = context.chain.update(&keystore) {
+                        context.bus.post(event);
+                    }
                     format!("keystoreChanged('{}', '{}', '{}');", &path, &public, &hash)
                 }
                 Event::MinerStarted | Event::KeyGeneratorStarted => {