diff --git a/risc0-selective-privacy-poc/examples/happy_path.rs b/risc0-selective-privacy-poc/examples/happy_path.rs
index 107c24d..3280f2a 100644
--- a/risc0-selective-privacy-poc/examples/happy_path.rs
+++ b/risc0-selective-privacy-poc/examples/happy_path.rs
@@ -31,7 +31,7 @@ fn main() {
 
     // A shielded execution of the Transfer Program
     let private_account_2 =
-        MockedClient::transfer_shielded(&addresses[1], &addresses[2], 15, &mut sequencer);
+        MockedClient::transfer_shielded(&addresses[1], &addresses[2], 15, &mut sequencer).unwrap();
     println!("Balances after shielded execution");
     sequencer.print();
 
@@ -42,7 +42,8 @@ fn main() {
         &addresses[3],
         8,
         &mut sequencer,
-    );
+    )
+    .unwrap();
     println!("🚀 Balances after shielded execution");
     sequencer.print();
 
@@ -53,7 +54,8 @@ fn main() {
         &addresses[0],
         1,
         &mut sequencer,
-    );
+    )
+    .unwrap();
     println!("🚀 Balances after deshielded execution");
     sequencer.print();
 
diff --git a/risc0-selective-privacy-poc/examples/mocked_components/client/mod.rs b/risc0-selective-privacy-poc/examples/mocked_components/client/mod.rs
index 9121c20..d03447c 100644
--- a/risc0-selective-privacy-poc/examples/mocked_components/client/mod.rs
+++ b/risc0-selective-privacy-poc/examples/mocked_components/client/mod.rs
@@ -22,7 +22,7 @@ impl MockedClient {
         visibilities: &[InputVisibiility],
         commitment_tree_root: [u32; 8],
         sequencer: &mut MockedSequencer,
-    ) -> Vec<Account> {
+    ) -> Result<Vec<Account>, ()> {
         let (receipt, private_outputs) = nssa::invoke_privacy_execution::<P>(
             input_accounts,
             instruction_data,
@@ -31,9 +31,9 @@ impl MockedClient {
         )
         .unwrap();
         // Send to te sequencer
-        sequencer.process_privacy_execution(receipt).unwrap();
+        sequencer.process_privacy_execution(receipt)?;
 
-        private_outputs
+        Ok(private_outputs)
     }
 
     pub fn fresh_account_for_mint(address: Address) -> Account {
diff --git a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_deshielded.rs b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_deshielded.rs
index e47b861..8a8e104 100644
--- a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_deshielded.rs
+++ b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_deshielded.rs
@@ -13,7 +13,7 @@ impl MockedClient {
         to_address: &Address,
         balance_to_move: u128,
         sequencer: &mut MockedSequencer,
-    ) -> Account {
+    ) -> Result<Account, ()> {
         // All of this is executed locally by the sender
         let sender_account = sequencer.get_account(&from_address).unwrap();
         let commitment_tree_root = sequencer.get_commitment_tree_root();
@@ -27,9 +27,8 @@ impl MockedClient {
             &visibilities,
             commitment_tree_root,
             sequencer,
-        );
+        )?;
         let [receiver_private_account] = private_outputs.try_into().unwrap();
-        receiver_private_account
+        Ok(receiver_private_account)
     }
-
 }
diff --git a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_private.rs b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_private.rs
index c84d68a..19abd23 100644
--- a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_private.rs
+++ b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_private.rs
@@ -14,7 +14,7 @@ impl MockedClient {
         to_address: &Address,
         balance_to_move: u128,
         sequencer: &mut MockedSequencer,
-    ) -> [Account; 2] {
+    ) -> Result<[Account; 2], ()> {
         // All of this is executed locally by the sender
         let commitment_tree_root = sequencer.get_commitment_tree_root();
         let receiver_addr = to_address;
@@ -32,8 +32,8 @@ impl MockedClient {
             &visibilities,
             commitment_tree_root,
             sequencer,
-        );
+        )?;
 
-        private_outputs.try_into().unwrap()
+        Ok(private_outputs.try_into().unwrap())
     }
 }
diff --git a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_public.rs b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_public.rs
index e69de29..2d58c22 100644
--- a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_public.rs
+++ b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_public.rs
@@ -0,0 +1,11 @@
+use core::types::Address;
+
+use crate::mocked_components::client::MockedClient;
+
+
+
+impl MockedClient {
+    fn transfer_public(receiver_address: &Address, amount_to_transfer: u128) -> Result<(), ()> {
+        todo!()
+    }
+}
diff --git a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_shielded.rs b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_shielded.rs
index 69f9193..2fb4bdf 100644
--- a/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_shielded.rs
+++ b/risc0-selective-privacy-poc/examples/mocked_components/client/transfer_shielded.rs
@@ -13,7 +13,7 @@ impl MockedClient {
         to_address: &Address,
         balance_to_move: u128,
         sequencer: &mut MockedSequencer,
-    ) {
+    ) -> Result<(), ()> {
         // All of this is executed locally by the sender
         let commitment_tree_root = sequencer.get_commitment_tree_root();
         let receiver_addr = to_address;
@@ -30,6 +30,7 @@ impl MockedClient {
             &visibilities,
             commitment_tree_root,
             sequencer,
-        );
+        )?;
+        Ok(())
     }
 }