diff --git a/src/api.rs b/src/api.rs
index d06dfb6..a8298be 100644
--- a/src/api.rs
+++ b/src/api.rs
@@ -76,6 +76,8 @@ use sdk_common::secrets::SecretsStore;
 use crate::user::{lock_local_device, set_new_device, LOCAL_DEVICE};
 use crate::wallet::{generate_sp_wallet, lock_freezed_utxos};
 
+const EMPTYSTATEID: &str = "0000000000000000000000000000000000000000000000000000000000000000";
+
 #[derive(Debug, PartialEq, Tsify, Serialize, Deserialize, Default)]
 #[tsify(into_wasm_abi)]
 #[allow(non_camel_case_types)]
@@ -1463,23 +1465,20 @@ pub fn evaluate_state(process_id: String, previous_state: Option<ProcessState>,
 fn add_validation_token(mut process: Process, state_id: String, approval: bool) -> ApiResult<ApiReturn> {
     let process_id = process.get_process_id()?;
     let state_id: [u8; 32] = Vec::from_hex(&state_id)?.try_into().map_err(|_| ApiError::new("Invalid state_id".to_owned()))?;
-    if state_id == [0u8; 32] { return Err(ApiError::new("Can't validate empty state".to_owned())); }
 
-    {
-        let update_state: &mut ProcessState = process.get_state_for_id_mut(&state_id)?;
+    let update_state: &mut ProcessState = process.get_state_for_id_mut(&state_id)?;
 
-        let message_hash = if approval {
-            AnkHash::ValidationYes(AnkValidationYesHash::from_merkle_root(state_id))
-        } else {
-            AnkHash::ValidationNo(AnkValidationNoHash::from_merkle_root(state_id))
-        };
+    let message_hash = if approval {
+        AnkHash::ValidationYes(AnkValidationYesHash::from_merkle_root(state_id))
+    } else {
+        AnkHash::ValidationNo(AnkValidationNoHash::from_merkle_root(state_id))
+    };
 
-        let local_device = lock_local_device()?;
-        let sp_wallet = local_device.get_wallet();
-        let proof = Proof::new(message_hash, sp_wallet.get_client().get_spend_key().try_into()?);
+    let local_device = lock_local_device()?;
+    let sp_wallet = local_device.get_wallet();
+    let proof = Proof::new(message_hash, sp_wallet.get_client().get_spend_key().try_into()?);
 
-        update_state.validation_tokens.push(proof);
-    }
+    update_state.validation_tokens.push(proof);
 
     let mut commit_msg = CommitMessage::new(
         process_id,