diff --git a/crates/rbuilder/src/utils/bls.rs b/crates/rbuilder/src/utils/bls.rs
index 76eebb45..3194eb73 100644
--- a/crates/rbuilder/src/utils/bls.rs
+++ b/crates/rbuilder/src/utils/bls.rs
@@ -10,4 +10,16 @@ pub fn generate_random_bls_address() -> [u8; 48] {
     let sk = SecretKey::key_gen(&ikm, &[]).unwrap();
     let pk = sk.sk_to_pk();
     return pk.compress();
+}
+
+
+#[cfg(test)]
+mod tests {
+    use crate::utils::bls::generate_random_bls_address;
+
+    #[test]
+    fn test_generate_random_bls_address() {
+        let bls_address = generate_random_bls_address();
+        assert_eq!(bls_address.len(), 48, "BLS address should be of 48 length");
+    }
 }
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