diff --git a/crates/common/src/job.rs b/crates/common/src/job.rs
index 0e6238d..a4ecea4 100644
--- a/crates/common/src/job.rs
+++ b/crates/common/src/job.rs
@@ -1,4 +1,4 @@
-use libsecp256k1::{PublicKey, Signature};
+use libsecp256k1::{curve::Scalar, sign, PublicKey, SecretKey, Signature};
 use std::{
     fmt::Display,
     hash::{DefaultHasher, Hash, Hasher},
@@ -18,6 +18,24 @@ pub struct Job {
     pub cpu_air_prover_config: Vec<u8>, // needed for proving
 }
 
+impl Default for Job {
+    fn default() -> Self {
+        let secret_key = &SecretKey::default();
+        let public_key = PublicKey::from_secret_key(secret_key);
+        let (signature, _recovery_id) =
+            sign(&libsecp256k1::Message(Scalar([0, 0, 0, 0, 0, 0, 0, 0])), secret_key);
+        Self {
+            reward: 0,
+            num_of_steps: 0,
+            cairo_pie: vec![1, 2, 3],
+            public_key,
+            signature,
+            cpu_air_params: vec![1, 2, 3],
+            cpu_air_prover_config: vec![1, 2, 3],
+        }
+    }
+}
+
 impl Hash for Job {
     fn hash<H: Hasher>(&self, state: &mut H) {
         self.reward.hash(state);
@@ -34,12 +52,12 @@ impl Display for Job {
     }
 }
 
-impl Job {
-    pub fn serialize_job(&self) -> Vec<u8> {
-        bincode::serialize(self).unwrap()
-    }
+// impl Job {
+//     pub fn serialize_job(&self) -> Vec<u8> {
+//         bincode::serialize(self).unwrap()
+//     }
 
-    pub fn deserialize_job(serialized_job: &[u8]) -> Self {
-        bincode::deserialize(serialized_job).unwrap()
-    }
-}
+//     pub fn deserialize_job(serialized_job: &[u8]) -> Self {
+//         bincode::deserialize(serialized_job).unwrap()
+//     }
+// }