diff --git a/bindings/cashu-ffi/src/nuts/nut00/token.rs b/bindings/cashu-ffi/src/nuts/nut00/token.rs
index 905349fc5..d66ba5622 100644
--- a/bindings/cashu-ffi/src/nuts/nut00/token.rs
+++ b/bindings/cashu-ffi/src/nuts/nut00/token.rs
@@ -59,7 +59,7 @@ impl Token {
         let mint = UncheckedUrl::from_str(&mint)?;
         let proofs = proofs.into_iter().map(|p| p.as_ref().into()).collect();
 
-        let unit = unit.map(|u| CurrencyUnitSdk::from_str(&u).unwrap_or_default().into());
+        let unit = unit.map(|u| CurrencyUnitSdk::from_str(&u).unwrap_or_default());
 
         Ok(Self {
             inner: TokenSdk::new(mint, proofs, memo, unit)?,
@@ -95,7 +95,7 @@ impl Token {
 
 impl fmt::Display for Token {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        write!(f, "{}", self.inner.to_string())
+        write!(f, "{}", self.inner)
     }
 }
 
diff --git a/bindings/cashu-ffi/src/nuts/nut04/mod.rs b/bindings/cashu-ffi/src/nuts/nut04/mod.rs
index 4aa1d0ac8..48cccd321 100644
--- a/bindings/cashu-ffi/src/nuts/nut04/mod.rs
+++ b/bindings/cashu-ffi/src/nuts/nut04/mod.rs
@@ -26,7 +26,7 @@ impl MintQuoteBolt11Request {
     pub fn new(amount: Arc<Amount>, unit: String) -> Self {
         Self {
             inner: MintQuoteBolt11RequestSdk {
-                amount: amount.as_ref().deref().clone(),
+                amount: *amount.as_ref().deref(),
                 unit: CurrencyUnit::from_str(&unit).unwrap(),
             },
         }
@@ -37,7 +37,7 @@ impl MintQuoteBolt11Request {
     }
 
     pub fn unit(&self) -> Arc<CurrencyUnit> {
-        Arc::new(self.inner.clone().unit.into())
+        Arc::new(self.inner.clone().unit)
     }
 }
 
diff --git a/bindings/cashu-ffi/src/types/bolt11_invoice.rs b/bindings/cashu-ffi/src/types/bolt11_invoice.rs
index 9d48a2853..88840f530 100644
--- a/bindings/cashu-ffi/src/types/bolt11_invoice.rs
+++ b/bindings/cashu-ffi/src/types/bolt11_invoice.rs
@@ -38,6 +38,6 @@ impl Bolt11Invoice {
     pub fn amount(&self) -> Option<Arc<Amount>> {
         self.inner
             .amount_milli_satoshis()
-            .map(|a| Arc::new(Amount::from(a / 1000).into()))
+            .map(|a| Arc::new(Amount::from(a / 1000)))
     }
 }
diff --git a/bindings/cashu-ffi/src/types/melt_quote.rs b/bindings/cashu-ffi/src/types/melt_quote.rs
index 052cbd99f..b70923219 100644
--- a/bindings/cashu-ffi/src/types/melt_quote.rs
+++ b/bindings/cashu-ffi/src/types/melt_quote.rs
@@ -37,10 +37,10 @@ impl MeltQuote {
         Self {
             inner: MeltQuoteSdk {
                 id,
-                amount: amount.as_ref().deref().clone(),
+                amount: *amount.as_ref().deref(),
                 unit: CurrencyUnit::from_str(&unit).unwrap(),
                 request: request.as_ref().deref().clone(),
-                fee_reserve: fee_reserve.as_ref().deref().clone(),
+                fee_reserve: *fee_reserve.as_ref().deref(),
                 paid,
                 expiry,
             },
diff --git a/bindings/cashu-ffi/src/types/mint_quote.rs b/bindings/cashu-ffi/src/types/mint_quote.rs
index 4d59b2e94..7a2a75900 100644
--- a/bindings/cashu-ffi/src/types/mint_quote.rs
+++ b/bindings/cashu-ffi/src/types/mint_quote.rs
@@ -36,7 +36,7 @@ impl MintQuote {
         Self {
             inner: MintQuoteSdk {
                 id,
-                amount: amount.as_ref().deref().clone(),
+                amount: *amount.as_ref().deref(),
                 unit: CurrencyUnit::from_str(&unit).unwrap(),
                 request: request.as_ref().deref().clone(),
                 paid,
diff --git a/bindings/cashu-sdk-ffi/src/wallet.rs b/bindings/cashu-sdk-ffi/src/wallet.rs
index 6e3464b07..cbcf95cbb 100644
--- a/bindings/cashu-sdk-ffi/src/wallet.rs
+++ b/bindings/cashu-sdk-ffi/src/wallet.rs
@@ -1,5 +1,5 @@
 use std::ops::Deref;
-use std::sync::{Arc, RwLock};
+use std::sync::Arc;
 
 use cashu_ffi::{
     BlindedSignature, Bolt11Invoice, CurrencyUnit, MeltQuote, MintQuote, PreMintSecrets, Proof,
@@ -11,6 +11,7 @@ use cashu_sdk::url::UncheckedUrl;
 use cashu_sdk::wallet::Wallet as WalletSdk;
 use once_cell::sync::Lazy;
 use tokio::runtime::Runtime;
+use tokio::sync::Mutex;
 
 use crate::error::Result;
 use crate::types::{Melted, SendProofs};
@@ -19,7 +20,7 @@ use crate::{Amount, Keys};
 static RUNTIME: Lazy<Runtime> = Lazy::new(|| Runtime::new().expect("Can't start Tokio runtime"));
 
 pub struct Wallet {
-    inner: RwLock<WalletSdk<HttpClient>>,
+    inner: Mutex<WalletSdk<HttpClient>>,
 }
 
 impl Wallet {
@@ -51,8 +52,8 @@ impl Wallet {
     pub fn check_proofs_spent(&self, proofs: Vec<Arc<Proof>>) -> Result<Arc<ProofsStatus>> {
         let proofs = RUNTIME.block_on(async {
             self.inner
-                .read()
-                .unwrap()
+                .lock()
+                .await
                 .check_proofs_spent(proofs.iter().map(|p| p.as_ref().deref().clone()).collect())
                 .await
         })?;
@@ -68,8 +69,8 @@ impl Wallet {
     ) -> Result<Arc<Token>> {
         let token = RUNTIME.block_on(async {
             self.inner
-                .write()
-                .unwrap()
+                .lock()
+                .await
                 .mint_token(*amount.as_ref().deref(), memo, unit.map(|u| u.into()))
                 .await
         })?;
@@ -80,8 +81,8 @@ impl Wallet {
     pub fn mint_quote(&self, amount: Arc<Amount>, unit: CurrencyUnit) -> Result<Arc<MintQuote>> {
         let quote = RUNTIME.block_on(async {
             self.inner
-                .write()
-                .unwrap()
+                .lock()
+                .await
                 .mint_quote(*amount.as_ref().deref(), unit.into())
                 .await
         })?;
@@ -90,14 +91,14 @@ impl Wallet {
     }
 
     pub fn mint(&self, quote: String) -> Result<Vec<Arc<Proof>>> {
-        let proofs = RUNTIME.block_on(async { self.inner.write().unwrap().mint(&quote).await })?;
+        let proofs = RUNTIME.block_on(async { self.inner.lock().await.mint(&quote).await })?;
 
         Ok(proofs.into_iter().map(|p| Arc::new(p.into())).collect())
     }
 
     pub fn receive(&self, encoded_token: String) -> Result<Vec<Arc<Proof>>> {
-        let proofs = RUNTIME
-            .block_on(async { self.inner.write().unwrap().receive(&encoded_token).await })?;
+        let proofs =
+            RUNTIME.block_on(async { self.inner.lock().await.receive(&encoded_token).await })?;
 
         Ok(proofs.into_iter().map(|p| Arc::new(p.into())).collect())
     }
@@ -107,24 +108,20 @@ impl Wallet {
         blinded_messages: Arc<PreMintSecrets>,
         promises: Vec<Arc<BlindedSignature>>,
     ) -> Result<Vec<Arc<Proof>>> {
-        Ok(self
-            .inner
-            .read()
-            .unwrap()
-            .process_split_response(
+        let proofs = RUNTIME.block_on(async {
+            self.inner.lock().await.process_split_response(
                 blinded_messages.as_ref().deref().clone(),
                 promises.iter().map(|p| p.as_ref().into()).collect(),
-            )?
-            .into_iter()
-            .map(|p| Arc::new(p.into()))
-            .collect())
+            )
+        })?;
+        Ok(proofs.into_iter().map(|p| Arc::new(p.into())).collect())
     }
 
     pub fn send(&self, amount: Arc<Amount>, proofs: Vec<Arc<Proof>>) -> Result<Arc<SendProofs>> {
         let send_proofs = RUNTIME.block_on(async {
             self.inner
-                .read()
-                .unwrap()
+                .lock()
+                .await
                 .send(
                     *amount.as_ref().deref(),
                     proofs.iter().map(|p| p.as_ref().deref().clone()).collect(),
@@ -142,8 +139,8 @@ impl Wallet {
     ) -> Result<Arc<MeltQuote>> {
         let melt_quote = RUNTIME.block_on(async {
             self.inner
-                .write()
-                .unwrap()
+                .lock()
+                .await
                 .melt_quote(unit.into(), request.as_ref().deref().clone())
                 .await
         })?;
@@ -154,8 +151,8 @@ impl Wallet {
     pub fn melt(&self, quote_id: String, proofs: Vec<Arc<Proof>>) -> Result<Arc<Melted>> {
         let melted = RUNTIME.block_on(async {
             self.inner
-                .write()
-                .unwrap()
+                .lock()
+                .await
                 .melt(
                     &quote_id,
                     proofs.iter().map(|p| p.as_ref().deref().clone()).collect(),
@@ -172,10 +169,12 @@ impl Wallet {
         unit: Option<CurrencyUnit>,
         memo: Option<String>,
     ) -> Result<String> {
-        Ok(self.inner.read().unwrap().proofs_to_token(
-            proofs.iter().map(|p| p.as_ref().deref().clone()).collect(),
-            memo,
-            unit.map(|u| u.into()),
-        )?)
+        Ok(RUNTIME.block_on(async {
+            self.inner.lock().await.proofs_to_token(
+                proofs.iter().map(|p| p.as_ref().deref().clone()).collect(),
+                memo,
+                unit.map(|u| u.into()),
+            )
+        })?)
     }
 }
diff --git a/bindings/cashu-sdk-js/src/mint.rs b/bindings/cashu-sdk-js/src/mint.rs
index 86e1b4c54..dc380fbaf 100644
--- a/bindings/cashu-sdk-js/src/mint.rs
+++ b/bindings/cashu-sdk-js/src/mint.rs
@@ -65,8 +65,7 @@ impl JsMint {
             .inner
             .keyset(&keyset_id)
             .ok_or(JsError::new("Unknown Keyset"))?
-            .clone()
-            .into();
+            .clone();
 
         Ok(KeysResponse {
             keysets: vec![keyset],