diff --git a/Cargo.lock b/Cargo.lock
index 897eab2..e505e39 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -732,6 +732,7 @@ dependencies = [
  "cw4-group",
  "fs-err",
  "futures",
+ "hex",
  "once_cell",
  "quickcheck",
  "regex",
diff --git a/packages/cosmos-bin/Cargo.toml b/packages/cosmos-bin/Cargo.toml
index f8445a6..d88e6b6 100644
--- a/packages/cosmos-bin/Cargo.toml
+++ b/packages/cosmos-bin/Cargo.toml
@@ -28,6 +28,7 @@ cw4-group = "2.0.0"
 cw-utils = "2.0.0"
 cosmwasm-std = "2.1.4"
 csv = "1.3.0"
+hex = "0.4"
 
 [dev-dependencies]
 quickcheck = "1"
diff --git a/packages/cosmos-bin/src/main.rs b/packages/cosmos-bin/src/main.rs
index be3888a..6bd6254 100644
--- a/packages/cosmos-bin/src/main.rs
+++ b/packages/cosmos-bin/src/main.rs
@@ -80,10 +80,7 @@ fn gen_wallet(hrp: AddressHrp) -> Result<()> {
     let phrase = cosmos::SeedPhrase::random();
     let wallet = phrase.with_hrp(hrp)?;
     let private_key = wallet.get_privkey().private_key.display_secret();
-    let mut public_key = String::new();
-    for byte in wallet.public_key_bytes() {
-        public_key.push_str(&format!("{:02x}", byte));
-    }
+    let public_key = hex::encode(wallet.public_key_bytes());
     println!("Mnemonic: {}", phrase.phrase());
     println!("Address: {wallet}");
     println!("Private Key: {}", private_key);
diff --git a/packages/cosmos/src/wallet.rs b/packages/cosmos/src/wallet.rs
index 8c0985f..d6f574b 100644
--- a/packages/cosmos/src/wallet.rs
+++ b/packages/cosmos/src/wallet.rs
@@ -559,10 +559,7 @@ mod tests {
         let address_hrp = AddressHrp::from_static("cosmos");
         let wallet = Wallet::generate(address_hrp).unwrap();
         let private_key = wallet.get_privkey().private_key.display_secret();
-        let mut public_key = String::new();
-        for byte in wallet.public_key_bytes() {
-            public_key.push_str(&format!("{:02x}", byte));
-        }
+        let public_key = hex::encode(wallet.public_key_bytes());
         assert_eq!(private_key.to_string().len(), 64);
         assert_eq!(public_key.to_string().len(), 66);
     }