diff --git a/djed-sdk/dist/esm/index.js b/djed-sdk/dist/esm/index.js
index f030428..0baac43 100644
--- a/djed-sdk/dist/esm/index.js
+++ b/djed-sdk/dist/esm/index.js
@@ -156,7 +156,7 @@ const CONFIRMATION_WAIT_PERIOD = REFRESH_PERIOD + 1000;
 const scalingFactor = decimalUnscaling("1", SCALING_DECIMALS);
 const FEE_UI_UNSCALED = decimalUnscaling(
   (FEE_UI / 100).toString(),
-  SCALING_DECIMALS
+  SCALING_DECIMALS,
 );
 const tradeDataPriceCore = (djed, method, decimals, amountScaled) => {
   const amountUnscaled = decimalUnscaling(amountScaled, decimals);
@@ -166,7 +166,7 @@ const tradeDataPriceCore = (djed, method, decimals, amountScaled) => {
       const totalUnscaled = convertToBC(
         amountUnscaled,
         priceUnscaled,
-        decimals
+        decimals,
       ).toString();
 
       const totalScaled = decimalScaling(totalUnscaled, BC_DECIMALS);
@@ -179,7 +179,7 @@ const tradeDataPriceCore = (djed, method, decimals, amountScaled) => {
         priceUnscaled,
         priceScaled,
       };
-    }
+    },
   );
 };
 
@@ -259,14 +259,33 @@ const isTxLimitReached = (amountUSD, totalSCSupply, thresholdSCSupply) =>
   amountUSD > TRANSACTION_USD_LIMIT &&
   BigInt(totalSCSupply) >= BigInt(thresholdSCSupply);
 
-const promiseTx = (isWalletConnected, tx, signer) => {
+const promiseTx = (isWalletConnected, tx, web3) => {
   if (!isWalletConnected) {
     return Promise.reject(new Error("Metamask not connected!"));
   }
-  if (!signer) {
-    return Promise.reject(new Error("Couldn't get Signer"));
+
+  if (!web3 || !web3.eth) {
+    return Promise.reject(new Error("Web3 instance not provided"));
+  }
+
+  if (!tx?.from) {
+    return Promise.reject(new Error("Transaction 'from' address is required"));
   }
-  return signer.sendTransaction(tx);
+
+  const selectedGas = tx.gas ?? tx.gasLimit ?? 500000;
+
+  return new Promise((resolve, reject) => {
+    web3.eth
+      .sendTransaction({
+        from: tx.from,
+        to: tx.to,
+        value: tx.value,
+        data: tx.data,
+        gas: selectedGas,
+      })
+      .on("receipt", resolve)
+      .on("error", reject);
+  });
 };
 
 const verifyTx = (web3, hash) => {
diff --git a/djed-sdk/dist/umd/index.js b/djed-sdk/dist/umd/index.js
index 24bf322..caa765c 100644
--- a/djed-sdk/dist/umd/index.js
+++ b/djed-sdk/dist/umd/index.js
@@ -160,7 +160,7 @@
   const scalingFactor = decimalUnscaling("1", SCALING_DECIMALS);
   const FEE_UI_UNSCALED = decimalUnscaling(
     (FEE_UI / 100).toString(),
-    SCALING_DECIMALS
+    SCALING_DECIMALS,
   );
   const tradeDataPriceCore = (djed, method, decimals, amountScaled) => {
     const amountUnscaled = decimalUnscaling(amountScaled, decimals);
@@ -170,7 +170,7 @@
         const totalUnscaled = convertToBC(
           amountUnscaled,
           priceUnscaled,
-          decimals
+          decimals,
         ).toString();
 
         const totalScaled = decimalScaling(totalUnscaled, BC_DECIMALS);
@@ -183,7 +183,7 @@
           priceUnscaled,
           priceScaled,
         };
-      }
+      },
     );
   };
 
@@ -263,14 +263,33 @@
     amountUSD > TRANSACTION_USD_LIMIT &&
     BigInt(totalSCSupply) >= BigInt(thresholdSCSupply);
 
-  const promiseTx = (isWalletConnected, tx, signer) => {
+  const promiseTx = (isWalletConnected, tx, web3) => {
     if (!isWalletConnected) {
       return Promise.reject(new Error("Metamask not connected!"));
     }
-    if (!signer) {
-      return Promise.reject(new Error("Couldn't get Signer"));
+
+    if (!web3 || !web3.eth) {
+      return Promise.reject(new Error("Web3 instance not provided"));
+    }
+
+    if (!tx?.from) {
+      return Promise.reject(new Error("Transaction 'from' address is required"));
     }
-    return signer.sendTransaction(tx);
+
+    const selectedGas = tx.gas ?? tx.gasLimit ?? 500000;
+
+    return new Promise((resolve, reject) => {
+      web3.eth
+        .sendTransaction({
+          from: tx.from,
+          to: tx.to,
+          value: tx.value,
+          data: tx.data,
+          gas: selectedGas,
+        })
+        .on("receipt", resolve)
+        .on("error", reject);
+    });
   };
 
   const verifyTx = (web3, hash) => {
diff --git a/djed-sdk/src/djed/tradeUtils.js b/djed-sdk/src/djed/tradeUtils.js
index 456f1f1..b439e8b 100644
--- a/djed-sdk/src/djed/tradeUtils.js
+++ b/djed-sdk/src/djed/tradeUtils.js
@@ -15,7 +15,7 @@ import {
 export const scalingFactor = decimalUnscaling("1", SCALING_DECIMALS);
 export const FEE_UI_UNSCALED = decimalUnscaling(
   (FEE_UI / 100).toString(),
-  SCALING_DECIMALS
+  SCALING_DECIMALS,
 );
 export const tradeDataPriceCore = (djed, method, decimals, amountScaled) => {
   const amountUnscaled = decimalUnscaling(amountScaled, decimals);
@@ -25,7 +25,7 @@ export const tradeDataPriceCore = (djed, method, decimals, amountScaled) => {
       const totalUnscaled = convertToBC(
         amountUnscaled,
         priceUnscaled,
-        decimals
+        decimals,
       ).toString();
 
       const totalScaled = decimalScaling(totalUnscaled, BC_DECIMALS);
@@ -38,7 +38,7 @@ export const tradeDataPriceCore = (djed, method, decimals, amountScaled) => {
         priceUnscaled,
         priceScaled,
       };
-    }
+    },
   );
 };
 
@@ -118,14 +118,33 @@ export const isTxLimitReached = (amountUSD, totalSCSupply, thresholdSCSupply) =>
   amountUSD > TRANSACTION_USD_LIMIT &&
   BigInt(totalSCSupply) >= BigInt(thresholdSCSupply);
 
-export const promiseTx = (isWalletConnected, tx, signer) => {
+export const promiseTx = (isWalletConnected, tx, web3) => {
   if (!isWalletConnected) {
     return Promise.reject(new Error("Metamask not connected!"));
   }
-  if (!signer) {
-    return Promise.reject(new Error("Couldn't get Signer"));
+
+  if (!web3 || !web3.eth) {
+    return Promise.reject(new Error("Web3 instance not provided"));
+  }
+
+  if (!tx?.from) {
+    return Promise.reject(new Error("Transaction 'from' address is required"));
   }
-  return signer.sendTransaction(tx);
+
+  const selectedGas = tx.gas ?? tx.gasLimit ?? 500000;
+
+  return new Promise((resolve, reject) => {
+    web3.eth
+      .sendTransaction({
+        from: tx.from,
+        to: tx.to,
+        value: tx.value,
+        data: tx.data,
+        gas: selectedGas,
+      })
+      .on("receipt", resolve)
+      .on("error", reject);
+  });
 };
 
 export const verifyTx = (web3, hash) => {