diff --git a/src/components/finutils/src/bins/fn.rs b/src/components/finutils/src/bins/fn.rs
index 83c45275f..633952307 100644
--- a/src/components/finutils/src/bins/fn.rs
+++ b/src/components/finutils/src/bins/fn.rs
@@ -330,6 +330,10 @@ fn run() -> Result<()> {
         } else {
             common::setup(sa, om, tp).c(d!())?;
         }
+    } else if let Some(m) = matches.subcommand_matches("sign") {
+        let sk = m.value_of("sk");
+        let msg = m.value_of("message");
+        common::sign(sk, msg).c(d!())?;
     } else if let Some(m) = matches.subcommand_matches("transfer") {
         let f = read_file_path(m.value_of("from-seckey")).c(d!())?;
         let asset = m.value_of("asset").unwrap_or("FRA");
diff --git a/src/components/finutils/src/bins/fn.yml b/src/components/finutils/src/bins/fn.yml
index 02043a839..a5e6e9d75 100644
--- a/src/components/finutils/src/bins/fn.yml
+++ b/src/components/finutils/src/bins/fn.yml
@@ -46,6 +46,23 @@ subcommands:
             long: validator-key
             takes_value: true
             value_name: Path
+  - sign:
+      about: Sign message
+      args:
+        - sk:
+            help: secret key in hex
+            short: s
+            long: secret-key
+            takes_value: true
+            value_name: SecretKey
+            required: true
+        - message:
+            help: the message string
+            short: m
+            long: message
+            takes_value: true
+            value_name: Message
+            required: true
   - stake:
       about: Stake tokens (i.e. bond tokens) from a Findora account to a validator
       args:
diff --git a/src/components/finutils/src/common/mod.rs b/src/components/finutils/src/common/mod.rs
index 55e57f6b8..86fa6bb64 100644
--- a/src/components/finutils/src/common/mod.rs
+++ b/src/components/finutils/src/common/mod.rs
@@ -6,8 +6,10 @@
 //! This module is the library part of FN.
 //!
 
+use sha2::{Digest, Sha256};
 use std::str::FromStr;
-
+use zei::noah_algebra::serialization::NoahFromToBytes;
+use zei::noah_api::keys::SecretKey;
 #[cfg(not(target_arch = "wasm32"))]
 pub mod dev;
 
@@ -384,6 +386,27 @@ pub fn show(basic: bool, is_address_eth: bool) -> Result<()> {
     Ok(())
 }
 
+/// Sign message
+///     Secret Key
+///     Message
+pub fn sign(secret_key: Option<&str>, message: Option<&str>) -> Result<()> {
+    let msg_hash = Sha256::digest(message.unwrap().as_bytes());
+
+    let binding = hex::decode(secret_key.unwrap()).unwrap();
+    let sk_bytes = binding.as_slice();
+    let sk = XfrSecretKey::from_noah(&SecretKey::noah_from_bytes(sk_bytes).unwrap());
+    let pair = sk.into_keypair();
+    let sig = pair.get_sk_ref().sign(msg_hash.as_slice()).unwrap();
+    println!(
+        "data: 0x{}{}{}",
+        hex::encode(pair.get_pk_ref().noah_to_bytes()),
+        hex::encode(msg_hash.as_slice()),
+        hex::encode(sig.noah_to_bytes())
+    );
+
+    Ok(())
+}
+
 /// Setup for a cli tool
 ///    Server URL
 ///    Owner mnemonic path