diff --git a/src/action.rs b/src/action.rs
index 79cc9f2..af25bd6 100644
--- a/src/action.rs
+++ b/src/action.rs
@@ -56,6 +56,7 @@ pub enum Action {
     BondValidatorFrom([u8; 32], u128),
     PayoutStakers([u8; 32], [u8; 32], u32),
     SetSessionKeys([u8; 32], String),
+    ValidateFrom([u8; 32], u32),
     EventLog(String, ActionLevel, ActionTarget),
 
     NewBestBlock(u32),
diff --git a/src/components/validator/mod.rs b/src/components/validator/mod.rs
index 39761fb..b936046 100644
--- a/src/components/validator/mod.rs
+++ b/src/components/validator/mod.rs
@@ -24,6 +24,7 @@ mod reward_details;
 mod bond_popup;
 mod payout_popup;
 mod rotate_popup;
+mod validate_popup;
 
 use stash_details::StashDetails;
 use staking_details::StakingDetails;
@@ -38,6 +39,7 @@ use withdrawals::Withdrawals;
 use bond_popup::BondPopup;
 use payout_popup::PayoutPopup;
 use rotate_popup::RotatePopup;
+use validate_popup::ValidatePopup;
 
 #[derive(Debug, Copy, Clone, PartialEq)]
 pub enum CurrentTab {
@@ -52,6 +54,7 @@ pub enum CurrentTab {
     BondPopup,
     PayoutPopup,
     RotatePopup,
+    ValidatePopup,
 }
 
 pub trait PartialComponent: Component {
@@ -85,6 +88,7 @@ impl Default for Validator {
                 Box::new(BondPopup::default()),
                 Box::new(PayoutPopup::default()),
                 Box::new(RotatePopup::default()),
+                Box::new(ValidatePopup::default()),
             ],
         }
     }
@@ -145,6 +149,7 @@ impl Component for Validator {
         match self.current_tab {
             CurrentTab::BondPopup | 
                 CurrentTab::RotatePopup |
+                CurrentTab::ValidatePopup |
                 CurrentTab::PayoutPopup => match key.code {
                 KeyCode::Esc => {
                     self.current_tab = self.previous_tab;
@@ -186,6 +191,13 @@ impl Component for Validator {
                         component.set_active(self.current_tab.clone());
                     }
                 },
+                KeyCode::Char('V') => {
+                    self.previous_tab = self.current_tab;
+                    self.current_tab = CurrentTab::ValidatePopup;
+                    for component in self.components.iter_mut() {
+                        component.set_active(self.current_tab.clone());
+                    }
+                },
                 KeyCode::Char('B') => {
                     self.previous_tab = self.current_tab;
                     self.current_tab = CurrentTab::BondPopup;
diff --git a/src/components/validator/validate_popup.rs b/src/components/validator/validate_popup.rs
new file mode 100644
index 0000000..381d02f
--- /dev/null
+++ b/src/components/validator/validate_popup.rs
@@ -0,0 +1,173 @@
+use crossterm::event::{KeyCode, KeyEvent, KeyEventKind};
+use color_eyre::Result;
+use ratatui::{
+    layout::{Position, Alignment, Constraint, Flex, Layout, Rect}, 
+    widgets::{Block, Clear, Paragraph}, 
+    Frame
+};
+use tokio::sync::mpsc::UnboundedSender;
+use std::sync::mpsc::Sender;
+
+use super::{Component, PartialComponent, CurrentTab};
+use crate::{
+    action::Action, 
+    config::Config, 
+    palette::StylePalette, 
+    types::{ActionLevel, ActionTarget}, 
+    widgets::{Input, InputRequest},
+};
+
+#[derive(Debug)]
+pub struct ValidatePopup {
+    is_active: bool,
+    action_tx: Option<UnboundedSender<Action>>,
+    network_tx: Option<Sender<Action>>,
+    secret_seed: [u8; 32],
+    amount: Input,
+    palette: StylePalette
+}
+
+impl Default for ValidatePopup {
+    fn default() -> Self {
+        Self::new()
+    }
+}
+
+impl ValidatePopup {
+    pub fn new() -> Self {
+        Self {
+            is_active: false,
+            secret_seed: [0u8; 32],
+            action_tx: None,
+            network_tx: None,
+            amount: Input::new(String::new()),
+            palette: StylePalette::default(),
+        }
+    }
+}
+
+impl ValidatePopup {
+    fn log_event(&mut self, message: String, level: ActionLevel) {
+        if let Some(action_tx) = &self.action_tx {
+            let _ = action_tx.send(
+                Action::EventLog(message, level, ActionTarget::ValidatorLog));
+        }
+    }
+
+    fn submit_message(&mut self) {
+        if let Some(network_tx) = &self.network_tx { 
+            match self.amount.value().parse::<f64>() {
+                Ok(value) => {
+                    let amount = (value * 1_000_000_000.0).round() as u32;
+                    let _ = network_tx.send(Action::ValidateFrom(self.secret_seed, amount));
+                    if let Some(action_tx) = &self.action_tx {
+                        let _ = action_tx.send(Action::ClosePopup);
+                    }
+                },
+                Err(err) => self.log_event(
+                    format!("invalid amount, error: {err}"), ActionLevel::Error),
+            }
+        }
+    }
+
+    fn enter_char(&mut self, new_char: char) {
+        let is_separator_needed = !self.amount.value().contains('.') && new_char == '.';
+        if new_char.is_digit(10) || is_separator_needed {
+            let _ = self.amount.handle(InputRequest::InsertChar(new_char));
+        }
+    }
+
+    fn delete_char(&mut self) {
+        let _ = self.amount.handle(InputRequest::DeletePrevChar);
+    }
+
+    fn move_cursor_right(&mut self) {
+        let _ = self.amount.handle(InputRequest::GoToNextChar);
+    }
+
+    fn move_cursor_left(&mut self) {
+        let _ = self.amount.handle(InputRequest::GoToPrevChar);
+    }
+}
+
+impl PartialComponent for ValidatePopup {
+    fn set_active(&mut self, current_tab: CurrentTab) {
+        match current_tab {
+            CurrentTab::ValidatePopup => self.is_active = true,
+            _ => {
+                self.is_active = false;
+                self.amount = Input::new(String::new());
+            }
+        };
+    }
+}
+
+impl Component for ValidatePopup {
+    fn register_network_handler(&mut self, tx: Sender<Action>) -> Result<()> {
+        self.network_tx = Some(tx);
+        Ok(())
+    }
+
+    fn register_action_handler(&mut self, tx: UnboundedSender<Action>) -> Result<()> {
+        self.action_tx = Some(tx);
+        Ok(())
+    }
+
+    fn register_config_handler(&mut self, config: Config) -> Result<()> {
+        if let Some(style) = config.styles.get(&crate::app::Mode::Wallet) {
+            self.palette.with_normal_style(style.get("normal_style").copied());
+            self.palette.with_normal_border_style(style.get("normal_border_style").copied());
+            self.palette.with_normal_title_style(style.get("normal_title_style").copied());
+            self.palette.with_popup_style(style.get("popup_style").copied());
+            self.palette.with_popup_title_style(style.get("popup_title_style").copied());
+        }
+        Ok(())
+    }
+    fn handle_key_event(&mut self, key: KeyEvent) -> Result<Option<Action>> {
+        if self.is_active && key.kind == KeyEventKind::Press {
+            match key.code {
+                KeyCode::Enter => self.submit_message(),
+                KeyCode::Char(to_insert) => self.enter_char(to_insert),
+                KeyCode::Backspace => self.delete_char(),
+                KeyCode::Left => self.move_cursor_left(),
+                KeyCode::Right => self.move_cursor_right(),
+                KeyCode::Esc => self.is_active = false, 
+                _ => {},
+            };
+        }
+        Ok(None)
+    }
+
+    fn update(&mut self, action: Action) -> Result<Option<Action>> {
+        match action {
+            Action::SetStashSecret(secret_seed) => self.secret_seed = secret_seed,
+            _ => {}
+        };
+        Ok(None)
+    }
+
+    fn draw(&mut self, frame: &mut Frame, area: Rect) -> Result<()> {
+        if self.is_active {
+            let (border_style, border_type) = self.palette.create_popup_style();
+            let input = Paragraph::new(self.amount.value())
+                .block(Block::bordered()
+                    .border_style(border_style)
+                    .border_type(border_type)
+                    .title_style(self.palette.create_popup_title_style())
+                    .title_alignment(Alignment::Right)
+                    .title(format!("Commission for nominators")));
+            let v = Layout::vertical([Constraint::Max(3)]).flex(Flex::Center);
+            let h = Layout::horizontal([Constraint::Max(50)]).flex(Flex::Center);
+            let [area] = v.areas(area);
+            let [area] = h.areas(area);
+
+            frame.render_widget(Clear, area);
+            frame.render_widget(input, area);
+            frame.set_cursor_position(Position::new(
+                    area.x + self.amount.cursor() as u16 + 1,
+                    area.y + 1
+            ));
+        }
+        Ok(())
+    }
+}
diff --git a/src/network/mod.rs b/src/network/mod.rs
index 31d2172..2fbcb49 100644
--- a/src/network/mod.rs
+++ b/src/network/mod.rs
@@ -331,6 +331,24 @@ impl Network {
                 }
                 Ok(())
             }
+            Action::ValidateFrom(sender, percent) => {
+                let sender_str = hex::encode(sender);
+                let maybe_nonce = self.senders.get_mut(&sender_str);
+                if let Ok(tx_progress) = predefined_txs::validate(
+                    &self.action_tx,
+                    &self.online_client_api,
+                    &sender,
+                    percent,
+                    maybe_nonce,
+                ).await {
+                    self.transactions_to_watch.push(TxToWatch {
+                        tx_progress,
+                        sender: sender_str,
+                        target: ActionTarget::ValidatorLog,
+                    });
+                }
+                Ok(())
+            }
             _ => Ok(())
         }
     }
diff --git a/src/network/predefined_txs.rs b/src/network/predefined_txs.rs
index fbb7d0a..fa761f8 100644
--- a/src/network/predefined_txs.rs
+++ b/src/network/predefined_txs.rs
@@ -1,13 +1,16 @@
 use color_eyre::Result;
 use subxt::{
-    ext::sp_core::{Pair as PairT, sr25519::Pair},
+    ext::sp_core::{sr25519::Pair, Pair as PairT},
     tx::{PairSigner, TxProgress}, 
     OnlineClient,
 };
 use tokio::sync::mpsc::UnboundedSender;
 
 use crate::{
-    action::Action, casper::{CasperConfig, CasperExtrinsicParamsBuilder}, casper_network::{self, runtime_types}, types::{ActionLevel, ActionTarget} 
+    action::Action, 
+    casper::{CasperConfig, CasperExtrinsicParamsBuilder}, 
+    casper_network::{self, runtime_types}, 
+    types::{ActionLevel, ActionTarget},
 };
 
 pub async fn transfer_balance(
@@ -265,3 +268,53 @@ pub async fn set_keys(
             }
         }
 }
+
+pub async fn validate(
+    action_tx: &UnboundedSender<Action>,
+    api: &OnlineClient<CasperConfig>,
+    sender: &[u8; 32],
+    percent: u32,
+    mut maybe_nonce: Option<&mut u32>,
+) -> Result<TxProgress<CasperConfig, OnlineClient<CasperConfig>>> {
+    let validator_prefs = casper_network::runtime_types::pallet_staking::ValidatorPrefs {
+        commission: runtime_types::sp_arithmetic::per_things::Perbill(percent),
+        blocked: percent >= 1_000_000_000u32,
+    };
+
+    let transfer_tx = casper_network::tx()
+        .staking()
+        .validate(validator_prefs);
+
+    let tx_params = match maybe_nonce {
+        Some(ref mut nonce) => {
+            **nonce = nonce.saturating_add(1);
+            CasperExtrinsicParamsBuilder::new()
+                .nonce(nonce.saturating_sub(1) as u64)
+                .build()
+        },
+        None => CasperExtrinsicParamsBuilder::new().build(),
+    };
+
+    let pair = Pair::from_seed(sender);
+    let signer = PairSigner::<CasperConfig, Pair>::new(pair);
+
+    match api
+        .tx()
+        .sign_and_submit_then_watch(&transfer_tx, &signer, tx_params)
+        .await {
+            Ok(tx_progress) => {
+                action_tx.send(Action::EventLog(
+                        format!("set keys {} sent", tx_progress.extrinsic_hash()),
+                        ActionLevel::Info,
+                        ActionTarget::ValidatorLog))?;
+                Ok(tx_progress)
+            },
+            Err(err) => {
+                action_tx.send(Action::EventLog(
+                        format!("error during set keys: {err}"), 
+                        ActionLevel::Error,
+                        ActionTarget::ValidatorLog))?;
+                Err(err.into())
+            }
+        }
+}