diff --git a/src/app.rs b/src/app.rs
index 001a74bf..719420ab 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -305,12 +305,11 @@ impl InnerApp {
     ) -> Result<()> {
         #[cfg(feature = "ethereum")]
         {
-            crate::bitcoin::exempt_from_fee()?;
-
-            // TODO: fee
-
             let signer = self.signer()?;
-            let coins = self.bitcoin.accounts.withdraw(signer, amount)?;
+            let mut coins = self.bitcoin.accounts.withdraw(signer, amount)?;
+
+            let fee = coins.take(20_000_000)?;
+            self.bitcoin.give_rewards(fee)?;
 
             let dest = Dest::EthAccount {
                 network,
@@ -511,6 +510,7 @@ impl InnerApp {
 
             match sender {
                 Identity::NativeAccount { address } => {
+                    log::debug!("Returning funds to NativeAccount sender");
                     self.bitcoin.accounts.deposit(address, coins)?;
                 }
                 #[cfg(feature = "ethereum")]
@@ -519,10 +519,17 @@ impl InnerApp {
                     connection,
                     address,
                 } => {
-                    self.ethereum
+                    let res = self
+                        .ethereum
                         .network_mut(network)?
                         .connection_mut(connection.into())?
-                        .transfer(address.into(), coins)?;
+                        .transfer(address.into(), coins);
+                    if let Err(e) = res {
+                        log::debug!("Error returning funds to EthAccount sender: {:?}", e);
+                        // TODO: place funds in rewards pool?
+                    } else {
+                        log::debug!("Returning funds to EthAccount sender");
+                    }
                 }
                 _ => {}
             }
diff --git a/src/ethereum/mod.rs b/src/ethereum/mod.rs
index a6a9ec8b..aca269b3 100644
--- a/src/ethereum/mod.rs
+++ b/src/ethereum/mod.rs
@@ -734,6 +734,12 @@ impl Connection {
 
     /// Processes an adjustment to the emergency disbursal balances received
     /// from the remote bridge contract deployment.
+    ///
+    /// NOTE: as of this version, the emergency disbursal balances are not yet
+    /// being used by the Bitcoin state machine. When it is integrated, the
+    /// total balances will be checked against the actual amount of funds
+    /// bridged to the contract and all emergency disbursal balances will be
+    /// ignored if the total exceeds the actual balance.
     pub fn adjust_emergency_disbursal_balance(
         &mut self,
         script: Adapter<Script>,
@@ -1003,8 +1009,7 @@ pub fn logic_call_args(
         maxGas: alloy_core::primitives::U256::from(max_gas),
         payload: alloy_core::primitives::Bytes::from(data.to_vec()),
         timeOut: alloy_core::primitives::U256::from(u64::MAX),
-        invalidationId: alloy_core::primitives::FixedBytes::from(uint256(nonce_id)), /* TODO: set
-                                                                                      * in msg */
+        invalidationId: alloy_core::primitives::FixedBytes::from(uint256(nonce_id)),
         invalidationNonce: alloy_core::primitives::U256::from(1),
     }
 }