diff --git a/bindings/cdk-js/src/types/melt_quote.rs b/bindings/cdk-js/src/types/melt_quote.rs
index c00ac8b7..d6e6f325 100644
--- a/bindings/cdk-js/src/types/melt_quote.rs
+++ b/bindings/cdk-js/src/types/melt_quote.rs
@@ -33,7 +33,7 @@ impl JsMeltQuote {
 
     #[wasm_bindgen(getter)]
     pub fn unit(&self) -> JsCurrencyUnit {
-        self.inner.unit.clone().into()
+        self.inner.unit.into()
     }
 
     #[wasm_bindgen(getter)]
diff --git a/bindings/cdk-js/src/types/mint_quote.rs b/bindings/cdk-js/src/types/mint_quote.rs
index ebc7f0d7..fed36a92 100644
--- a/bindings/cdk-js/src/types/mint_quote.rs
+++ b/bindings/cdk-js/src/types/mint_quote.rs
@@ -33,7 +33,7 @@ impl JsMintQuote {
 
     #[wasm_bindgen(getter)]
     pub fn unit(&self) -> JsCurrencyUnit {
-        self.inner.unit.clone().into()
+        self.inner.unit.into()
     }
 
     #[wasm_bindgen(getter)]
diff --git a/crates/cdk/README.md b/crates/cdk/README.md
index dced2b9d..a357a7b9 100644
--- a/crates/cdk/README.md
+++ b/crates/cdk/README.md
@@ -44,7 +44,7 @@ async fn main() {
 
     let localstore = WalletMemoryDatabase::default();
 
-    let wallet = Wallet::new(mint_url, unit.clone(), Arc::new(localstore), &seed);
+    let wallet = Wallet::new(mint_url, unit, Arc::new(localstore), &seed);
 
     let quote = wallet.mint_quote(amount).await.unwrap();
 
diff --git a/crates/cdk/examples/p2pk.rs b/crates/cdk/examples/p2pk.rs
index b167382d..1f5e1401 100644
--- a/crates/cdk/examples/p2pk.rs
+++ b/crates/cdk/examples/p2pk.rs
@@ -19,7 +19,7 @@ async fn main() -> Result<(), Error> {
     let unit = CurrencyUnit::Sat;
     let amount = Amount::from(10);
 
-    let wallet = Wallet::new(mint_url, unit.clone(), Arc::new(localstore), &seed);
+    let wallet = Wallet::new(mint_url, unit, Arc::new(localstore), &seed);
 
     let quote = wallet.mint_quote(amount).await.unwrap();
 
diff --git a/crates/cdk/examples/wallet.rs b/crates/cdk/examples/wallet.rs
index 655bb6f8..388dcfa5 100644
--- a/crates/cdk/examples/wallet.rs
+++ b/crates/cdk/examples/wallet.rs
@@ -21,7 +21,7 @@ async fn main() {
 
     let localstore = WalletMemoryDatabase::default();
 
-    let wallet = Wallet::new(mint_url, unit.clone(), Arc::new(localstore), &seed);
+    let wallet = Wallet::new(mint_url, unit, Arc::new(localstore), &seed);
 
     let quote = wallet.mint_quote(amount).await.unwrap();
 
diff --git a/crates/cdk/src/mint/mod.rs b/crates/cdk/src/mint/mod.rs
index 710e7eb1..26ffa284 100644
--- a/crates/cdk/src/mint/mod.rs
+++ b/crates/cdk/src/mint/mod.rs
@@ -124,14 +124,7 @@ impl Mint {
         expiry: u64,
         ln_lookup: String,
     ) -> Result<MintQuote, Error> {
-        let quote = MintQuote::new(
-            mint_url,
-            request,
-            unit.clone(),
-            amount,
-            expiry,
-            ln_lookup.clone(),
-        );
+        let quote = MintQuote::new(mint_url, request, unit, amount, expiry, ln_lookup.clone());
         tracing::debug!(
             "New mint quote {} for {} {} with request id {}",
             quote.id,
@@ -319,13 +312,8 @@ impl Mint {
         derivation_path: DerivationPath,
         max_order: u8,
     ) -> Result<(), Error> {
-        let (keyset, keyset_info) = create_new_keyset(
-            &self.secp_ctx,
-            self.xpriv,
-            derivation_path,
-            unit.clone(),
-            max_order,
-        );
+        let (keyset, keyset_info) =
+            create_new_keyset(&self.secp_ctx, self.xpriv, derivation_path, unit, max_order);
         let id = keyset_info.id;
         self.localstore.add_keyset_info(keyset_info).await?;
         self.localstore.add_active_keyset(unit, id).await?;
@@ -962,7 +950,7 @@ fn create_new_keyset<C: secp256k1::Signing>(
     );
     let keyset_info = MintKeySetInfo {
         id: keyset.id,
-        unit: keyset.unit.clone(),
+        unit: keyset.unit,
         active: true,
         valid_from: unix_time(),
         valid_to: None,
diff --git a/crates/cdk/src/nuts/nut00/mod.rs b/crates/cdk/src/nuts/nut00/mod.rs
index 7b53c3c2..3fa259fc 100644
--- a/crates/cdk/src/nuts/nut00/mod.rs
+++ b/crates/cdk/src/nuts/nut00/mod.rs
@@ -312,7 +312,7 @@ where
 }
 
 /// Currency Unit
-#[derive(Debug, Clone, Default, PartialEq, Eq, Hash)]
+#[derive(Debug, Clone, Copy, Default, PartialEq, Eq, Hash)]
 pub enum CurrencyUnit {
     /// Sat
     #[default]
diff --git a/crates/cdk/src/nuts/nut00/token.rs b/crates/cdk/src/nuts/nut00/token.rs
index 9b76462d..1e860db5 100644
--- a/crates/cdk/src/nuts/nut00/token.rs
+++ b/crates/cdk/src/nuts/nut00/token.rs
@@ -508,7 +508,7 @@ mod tests {
             token.token[0].proofs[0].clone().keyset_id,
             Id::from_str("009a1f293253e41e").unwrap()
         );
-        assert_eq!(token.unit.clone().unwrap(), CurrencyUnit::Sat);
+        assert_eq!(token.unit.unwrap(), CurrencyUnit::Sat);
 
         let encoded = &token.to_string();
 
diff --git a/crates/cdk/src/wallet/mod.rs b/crates/cdk/src/wallet/mod.rs
index 27d7889b..114a857e 100644
--- a/crates/cdk/src/wallet/mod.rs
+++ b/crates/cdk/src/wallet/mod.rs
@@ -78,7 +78,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(self.mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Unspent]),
                 None,
             )
@@ -101,7 +101,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(self.mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Pending]),
                 None,
             )
@@ -127,7 +127,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(self.mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Reserved]),
                 None,
             )
@@ -164,7 +164,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(self.mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Unspent]),
                 None,
             )
@@ -179,7 +179,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(self.mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Pending]),
                 None,
             )
@@ -195,7 +195,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(self.mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Reserved]),
                 None,
             )
@@ -435,7 +435,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(self.mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Pending, State::Reserved]),
                 None,
             )
@@ -474,17 +474,17 @@ impl Wallet {
     #[instrument(skip(self))]
     pub async fn mint_quote(&self, amount: Amount) -> Result<MintQuote, Error> {
         let mint_url = self.mint_url.clone();
-        let unit = self.unit.clone();
+        let unit = self.unit;
         let quote_res = self
             .client
-            .post_mint_quote(mint_url.clone().try_into()?, amount, unit.clone())
+            .post_mint_quote(mint_url.clone().try_into()?, amount, unit)
             .await?;
 
         let quote = MintQuote {
             mint_url,
             id: quote_res.quote.clone(),
             amount,
-            unit: unit.clone(),
+            unit,
             request: quote_res.request,
             state: quote_res.state,
             expiry: quote_res.expiry.unwrap_or(0),
@@ -643,7 +643,7 @@ impl Wallet {
                     proof,
                     self.mint_url.clone(),
                     State::Unspent,
-                    quote_info.unit.clone(),
+                    quote_info.unit,
                 )
             })
             .collect();
@@ -735,7 +735,7 @@ impl Wallet {
                     .clone()
                     .into_iter()
                     .flat_map(|proof| {
-                        ProofInfo::new(proof, mint_url.clone(), State::Reserved, unit.clone())
+                        ProofInfo::new(proof, mint_url.clone(), State::Reserved, *unit)
                     })
                     .collect();
 
@@ -758,9 +758,7 @@ impl Wallet {
         if let Some(proofs) = proofs_to_send.clone() {
             let send_proofs = proofs
                 .into_iter()
-                .flat_map(|proof| {
-                    ProofInfo::new(proof, mint_url.clone(), State::Reserved, unit.clone())
-                })
+                .flat_map(|proof| ProofInfo::new(proof, mint_url.clone(), State::Reserved, *unit))
                 .collect();
 
             self.localstore.add_proofs(send_proofs).await?;
@@ -768,7 +766,7 @@ impl Wallet {
 
         let keep_proofs = keep_proofs
             .into_iter()
-            .flat_map(|proof| ProofInfo::new(proof, mint_url.clone(), State::Unspent, unit.clone()))
+            .flat_map(|proof| ProofInfo::new(proof, mint_url.clone(), State::Unspent, *unit))
             .collect();
 
         self.localstore.add_proofs(keep_proofs).await?;
@@ -939,7 +937,7 @@ impl Wallet {
                 .await?;
         }
 
-        Ok(Token::new(mint_url.clone(), send_proofs, memo, Some(unit.clone())).to_string())
+        Ok(Token::new(mint_url.clone(), send_proofs, memo, Some(*unit)).to_string())
     }
 
     /// Melt Quote
@@ -963,12 +961,7 @@ impl Wallet {
 
         let quote_res = self
             .client
-            .post_melt_quote(
-                self.mint_url.clone().try_into()?,
-                self.unit.clone(),
-                invoice,
-                mpp,
-            )
+            .post_melt_quote(self.mint_url.clone().try_into()?, self.unit, invoice, mpp)
             .await?;
 
         if quote_res.amount != amount {
@@ -979,7 +972,7 @@ impl Wallet {
             id: quote_res.quote,
             amount,
             request,
-            unit: self.unit.clone(),
+            unit: self.unit,
             fee_reserve: quote_res.fee_reserve,
             state: quote_res.state,
             expiry: quote_res.expiry,
@@ -1146,7 +1139,7 @@ impl Wallet {
                         proof,
                         self.mint_url.clone(),
                         State::Unspent,
-                        quote_info.unit.clone(),
+                        quote_info.unit,
                     )
                 })
                 .collect();
@@ -1176,7 +1169,7 @@ impl Wallet {
                 .localstore
                 .get_proofs(
                     Some(mint_url.clone()),
-                    Some(self.unit.clone()),
+                    Some(self.unit),
                     Some(vec![State::Unspent]),
                     conditions,
                 )
@@ -1194,7 +1187,7 @@ impl Wallet {
 
         let (active, inactive): (HashSet<KeySetInfo>, HashSet<KeySetInfo>) = mint_keysets
             .into_iter()
-            .filter(|p| p.unit.eq(&self.unit.clone()))
+            .filter(|p| p.unit.eq(&self.unit))
             .partition(|x| x.active);
 
         let active: HashSet<Id> = active.iter().map(|k| k.id).collect();
@@ -1236,7 +1229,7 @@ impl Wallet {
             .localstore
             .get_proofs(
                 Some(mint_url.clone()),
-                Some(self.unit.clone()),
+                Some(self.unit),
                 Some(vec![State::Unspent]),
                 None,
             )
@@ -1410,9 +1403,7 @@ impl Wallet {
             total_amount += proofs.iter().map(|p| p.amount).sum();
             let proofs = proofs
                 .into_iter()
-                .flat_map(|proof| {
-                    ProofInfo::new(proof, mint.clone(), State::Unspent, self.unit.clone())
-                })
+                .flat_map(|proof| ProofInfo::new(proof, mint.clone(), State::Unspent, self.unit))
                 .collect();
             self.localstore.add_proofs(proofs).await?;
         }
@@ -1431,7 +1422,7 @@ impl Wallet {
     ) -> Result<Amount, Error> {
         let token_data = Token::from_str(encoded_token)?;
 
-        let unit = token_data.unit().clone().unwrap_or_default();
+        let unit = token_data.unit().unwrap_or_default();
 
         if unit != self.unit {
             return Err(Error::UnitNotSupported);
@@ -1551,12 +1542,7 @@ impl Wallet {
                 let unspent_proofs = unspent_proofs
                     .into_iter()
                     .flat_map(|proof| {
-                        ProofInfo::new(
-                            proof,
-                            self.mint_url.clone(),
-                            State::Unspent,
-                            keyset.unit.clone(),
-                        )
+                        ProofInfo::new(proof, self.mint_url.clone(), State::Unspent, keyset.unit)
                     })
                     .collect();
 
diff --git a/crates/cdk/src/wallet/multi_mint_wallet.rs b/crates/cdk/src/wallet/multi_mint_wallet.rs
index f261d01a..eeeae8d1 100644
--- a/crates/cdk/src/wallet/multi_mint_wallet.rs
+++ b/crates/cdk/src/wallet/multi_mint_wallet.rs
@@ -52,7 +52,7 @@ impl MultiMintWallet {
             wallets: Arc::new(Mutex::new(
                 wallets
                     .into_iter()
-                    .map(|w| (WalletKey::new(w.mint_url.clone(), w.unit.clone()), w))
+                    .map(|w| (WalletKey::new(w.mint_url.clone(), w.unit), w))
                     .collect(),
             )),
         }
@@ -61,7 +61,7 @@ impl MultiMintWallet {
     /// Add wallet to MultiMintWallet
     #[instrument(skip(self, wallet))]
     pub async fn add_wallet(&self, wallet: Wallet) {
-        let wallet_key = WalletKey::new(wallet.mint_url.clone(), wallet.unit.clone());
+        let wallet_key = WalletKey::new(wallet.mint_url.clone(), wallet.unit);
 
         let mut wallets = self.wallets.lock().await;
 
@@ -164,14 +164,14 @@ impl MultiMintWallet {
                     .ok_or(Error::UnknownWallet(wallet_key.to_string()))?;
 
                 let amount = wallet.check_all_mint_quotes().await?;
-                amount_minted.insert(wallet.unit.clone(), amount);
+                amount_minted.insert(wallet.unit, amount);
             }
             None => {
                 for (_, wallet) in self.wallets.lock().await.iter() {
                     let amount = wallet.check_all_mint_quotes().await?;
 
                     amount_minted
-                        .entry(wallet.unit.clone())
+                        .entry(wallet.unit)
                         .and_modify(|b| *b += amount)
                         .or_insert(amount);
                 }
@@ -208,7 +208,7 @@ impl MultiMintWallet {
         preimages: &[String],
     ) -> Result<Amount, Error> {
         let token_data = Token::from_str(encoded_token)?;
-        let unit = token_data.unit().clone().unwrap_or_default();
+        let unit = token_data.unit().unwrap_or_default();
 
         let mint_proofs = token_data.proofs();
 
@@ -216,12 +216,12 @@ impl MultiMintWallet {
 
         // Check that all mints in tokes have wallets
         for (mint_url, proofs) in mint_proofs {
-            let wallet_key = WalletKey::new(mint_url.clone(), unit.clone());
+            let wallet_key = WalletKey::new(mint_url.clone(), unit);
             if !self.has(&wallet_key).await {
                 return Err(Error::UnknownWallet(wallet_key.to_string()));
             }
 
-            let wallet_key = WalletKey::new(mint_url, unit.clone());
+            let wallet_key = WalletKey::new(mint_url, unit);
             let wallet = self
                 .get_wallet(&wallet_key)
                 .await