diff --git a/src/qt/bitcoinamountfield.cpp b/src/qt/bitcoinamountfield.cpp
--- a/src/qt/bitcoinamountfield.cpp
+++ b/src/qt/bitcoinamountfield.cpp
@@ -135,7 +135,7 @@
      * @note Must return 0 if !valid.
      */
     Amount parse(const QString &text, bool *valid_out = 0) const {
-        Amount val = 0;
+        Amount val(0);
         bool valid = BitcoinUnits::parse(currentUnit, text, &val);
         if (valid) {
             if (val < Amount(0) || val > BitcoinUnits::maxMoney()) {
@@ -178,7 +178,7 @@
         bool valid = false;
         Amount val = value(&valid);
         if (valid) {
-            if (val > 0) {
+            if (val > Amount(0)) {
                 rv |= StepDownEnabled;
             }
             if (val < BitcoinUnits::maxMoney()) {
diff --git a/src/qt/bitcoingui.cpp b/src/qt/bitcoingui.cpp
--- a/src/qt/bitcoingui.cpp
+++ b/src/qt/bitcoingui.cpp
@@ -1037,7 +1037,8 @@
         msg += tr("Label: %1\n").arg(label);
     else if (!address.isEmpty())
         msg += tr("Address: %1\n").arg(address);
-    message((amount) < 0 ? tr("Sent transaction") : tr("Incoming transaction"),
+    message(amount < Amount(0) ? tr("Sent transaction")
+                               : tr("Incoming transaction"),
             msg, CClientUIInterface::MSG_INFORMATION);
 }
 #endif // ENABLE_WALLET
diff --git a/src/qt/coincontroldialog.cpp b/src/qt/coincontroldialog.cpp
--- a/src/qt/coincontroldialog.cpp
+++ b/src/qt/coincontroldialog.cpp
@@ -450,13 +450,13 @@
     if (!model) return;
 
     // nPayAmount
-    Amount nPayAmount = 0;
+    Amount nPayAmount(0);
     bool fDust = false;
     CMutableTransaction txDummy;
     for (const Amount amount : CoinControlDialog::payAmounts) {
         nPayAmount += amount;
 
-        if (amount > 0) {
+        if (amount > Amount(0)) {
             CTxOut txout(Amount(amount), (CScript)std::vector<uint8_t>(24, 0));
             txDummy.vout.push_back(txout);
             if (txout.IsDust(dustRelayFee)) fDust = true;
@@ -530,13 +530,17 @@
         // in the subtract fee from amount case, we can tell if zero change
         // already and subtract the bytes, so that fee calculation afterwards is
         // accurate
-        if (CoinControlDialog::fSubtractFeeFromAmount)
-            if (nAmount - nPayAmount == 0) nBytes -= 34;
+        if (CoinControlDialog::fSubtractFeeFromAmount) {
+            if (nAmount - nPayAmount == Amount(0)) {
+                nBytes -= 34;
+            }
+        }
 
         // Fee
         nPayFee = CWallet::GetMinimumFee(nBytes, nTxConfirmTarget, mempool);
-        if (nPayFee > 0 && coinControl->nMinimumTotalFee > nPayFee)
+        if (nPayFee > Amount(0) && coinControl->nMinimumTotalFee > nPayFee) {
             nPayFee = coinControl->nMinimumTotalFee;
+        }
 
         // Allow free? (require at least hard-coded threshold and default to
         // that if no estimate)
@@ -550,11 +554,13 @@
             std::max(mempoolEstimatePriority, AllowFreeThreshold());
         fAllowFree = (dPriority >= dPriorityNeeded);
 
-        if (fSendFreeTransactions)
-            if (fAllowFree && nBytes <= MAX_FREE_TRANSACTION_CREATE_SIZE)
-                nPayFee = 0;
+        if (fSendFreeTransactions) {
+            if (fAllowFree && nBytes <= MAX_FREE_TRANSACTION_CREATE_SIZE) {
+                nPayFee = Amount(0);
+            }
+        }
 
-        if (nPayAmount > 0) {
+        if (nPayAmount > Amount(0)) {
             nChange = nAmount - nPayAmount;
             if (!CoinControlDialog::fSubtractFeeFromAmount) nChange -= nPayFee;
 
@@ -568,12 +574,13 @@
                         nChange = txout.GetDustThreshold(dustRelayFee);
                     } else {
                         nPayFee += nChange;
-                        nChange = 0;
+                        nChange = Amount(0);
                     }
                 }
             }
 
-            if (nChange == 0 && !CoinControlDialog::fSubtractFeeFromAmount) {
+            if (nChange == Amount(0) &&
+                !CoinControlDialog::fSubtractFeeFromAmount) {
                 nBytes -= 34;
             }
         }
@@ -598,13 +605,13 @@
 
     // enable/disable "dust" and "change"
     dialog->findChild<QLabel *>("labelCoinControlLowOutputText")
-        ->setEnabled(nPayAmount > 0);
+        ->setEnabled(nPayAmount > Amount(0));
     dialog->findChild<QLabel *>("labelCoinControlLowOutput")
-        ->setEnabled(nPayAmount > 0);
+        ->setEnabled(nPayAmount > Amount(0));
     dialog->findChild<QLabel *>("labelCoinControlChangeText")
-        ->setEnabled(nPayAmount > 0);
+        ->setEnabled(nPayAmount > Amount(0));
     dialog->findChild<QLabel *>("labelCoinControlChange")
-        ->setEnabled(nPayAmount > 0);
+        ->setEnabled(nPayAmount > Amount(0));
 
     // stats
     // Quantity
@@ -624,7 +631,7 @@
     if (nPayFee > Amount(0) && (coinControl->nMinimumTotalFee < nPayFee)) {
         l3->setText(ASYMP_UTF8 + l3->text());
         l4->setText(ASYMP_UTF8 + l4->text());
-        if (nChange > 0 && !CoinControlDialog::fSubtractFeeFromAmount) {
+        if (nChange > Amount(0) && !CoinControlDialog::fSubtractFeeFromAmount) {
             l8->setText(ASYMP_UTF8 + l8->text());
         }
     }
@@ -672,7 +679,7 @@
     // Insufficient funds
     QLabel *label = dialog->findChild<QLabel *>("labelCoinControlInsuffFunds");
     if (label) {
-        label->setVisible(nChange < 0);
+        label->setVisible(nChange < Amount(0));
     }
 }
 
diff --git a/src/qt/guiutil.cpp b/src/qt/guiutil.cpp
--- a/src/qt/guiutil.cpp
+++ b/src/qt/guiutil.cpp
@@ -190,7 +190,7 @@
     if (rv.address.endsWith("/")) {
         rv.address.truncate(rv.address.length() - 1);
     }
-    rv.amount = 0;
+    rv.amount = Amount(0);
 
 #if QT_VERSION < 0x050000
     QList<QPair<QString, QString>> items = uri.queryItems();
@@ -254,7 +254,7 @@
     }
     int paramCount = 0;
 
-    if (info.amount != 0) {
+    if (info.amount != Amount(0)) {
         ret +=
             QString("?amount=%1")
                 .arg(BitcoinUnits::format(BitcoinUnits::BCH, info.amount, false,
diff --git a/src/qt/overviewpage.cpp b/src/qt/overviewpage.cpp
--- a/src/qt/overviewpage.cpp
+++ b/src/qt/overviewpage.cpp
@@ -52,8 +52,8 @@
         QDateTime date =
             index.data(TransactionTableModel::DateRole).toDateTime();
         QString address = index.data(Qt::DisplayRole).toString();
-        qint64 amount =
-            index.data(TransactionTableModel::AmountRole).toLongLong();
+        Amount amount(
+            index.data(TransactionTableModel::AmountRole).toLongLong());
         bool confirmed =
             index.data(TransactionTableModel::ConfirmedRole).toBool();
         QVariant value = index.data(Qt::ForegroundRole);
@@ -77,7 +77,7 @@
             iconWatchonly.paint(painter, watchonlyRect);
         }
 
-        if (amount < 0) {
+        if (amount < Amount(0)) {
             foreground = COLOR_NEGATIVE;
         } else if (!confirmed) {
             foreground = COLOR_UNCONFIRMED;
@@ -193,8 +193,8 @@
     // only show immature (newly mined) balance if it's non-zero, so as not to
     // complicate things
     // for the non-mining users
-    bool showImmature = immatureBalance != 0;
-    bool showWatchOnlyImmature = watchImmatureBalance != 0;
+    bool showImmature = immatureBalance != Amount(0);
+    bool showWatchOnlyImmature = watchImmatureBalance != Amount(0);
 
     // for symmetry reasons also show immature label when the watch-only one is
     // shown
@@ -270,7 +270,7 @@
 
 void OverviewPage::updateDisplayUnit() {
     if (walletModel && walletModel->getOptionsModel()) {
-        if (currentBalance != -1)
+        if (currentBalance != Amount(-1))
             setBalance(currentBalance, currentUnconfirmedBalance,
                        currentImmatureBalance, currentWatchOnlyBalance,
                        currentWatchUnconfBalance, currentWatchImmatureBalance);
diff --git a/src/qt/paymentrequestplus.cpp b/src/qt/paymentrequestplus.cpp
--- a/src/qt/paymentrequestplus.cpp
+++ b/src/qt/paymentrequestplus.cpp
@@ -226,7 +226,7 @@
             (const uint8_t *)details.outputs(i).script().data();
         CScript s(scriptStr, scriptStr + details.outputs(i).script().size());
 
-        result.append(std::make_pair(s, details.outputs(i).amount()));
+        result.append(std::make_pair(s, Amount(details.outputs(i).amount())));
     }
     return result;
 }
diff --git a/src/qt/paymentserver.cpp b/src/qt/paymentserver.cpp
--- a/src/qt/paymentserver.cpp
+++ b/src/qt/paymentserver.cpp
@@ -589,7 +589,7 @@
         recipient.amount += sendingTo.second;
         // Also verify that the final amount is still in a valid range after
         // adding additional amounts.
-        if (!verifyAmount(recipient.amount.GetSatoshis())) {
+        if (!verifyAmount(recipient.amount)) {
             Q_EMIT message(tr("Payment request rejected"),
                            tr("Invalid payment request."),
                            CClientUIInterface::MSG_ERROR);
diff --git a/src/qt/receiverequestdialog.cpp b/src/qt/receiverequestdialog.cpp
--- a/src/qt/receiverequestdialog.cpp
+++ b/src/qt/receiverequestdialog.cpp
@@ -123,7 +123,7 @@
     html += "<a href=\"" + uri + "\">" + GUIUtil::HtmlEscape(uri) + "</a><br>";
     html += "<b>" + tr("Address") + "</b>: " +
             GUIUtil::HtmlEscape(info.address) + "<br>";
-    if (info.amount != 0)
+    if (info.amount != Amount(0))
         html += "<b>" + tr("Amount") + "</b>: " +
                 BitcoinUnits::formatHtmlWithUnit(model->getDisplayUnit(),
                                                  info.amount) +
diff --git a/src/qt/recentrequeststablemodel.cpp b/src/qt/recentrequeststablemodel.cpp
--- a/src/qt/recentrequeststablemodel.cpp
+++ b/src/qt/recentrequeststablemodel.cpp
@@ -71,7 +71,8 @@
                     return rec->recipient.message;
                 }
             case Amount:
-                if (rec->recipient.amount == 0 && role == Qt::DisplayRole)
+                if (rec->recipient.amount == ::Amount(0) &&
+                    role == Qt::DisplayRole)
                     return tr("(no amount requested)");
                 else if (role == Qt::EditRole)
                     return BitcoinUnits::format(
diff --git a/src/qt/sendcoinsdialog.cpp b/src/qt/sendcoinsdialog.cpp
--- a/src/qt/sendcoinsdialog.cpp
+++ b/src/qt/sendcoinsdialog.cpp
@@ -140,7 +140,8 @@
         ->button((int)std::max(
             0, std::min(1, settings.value("nCustomFeeRadio").toInt())))
         ->setChecked(true);
-    ui->customFee->setValue(settings.value("nTransactionFee").toLongLong());
+    ui->customFee->setValue(
+        Amount(settings.value("nTransactionFee").toLongLong()));
     ui->checkBoxMinimumFee->setChecked(
         settings.value("fPayOnlyMinFee").toBool());
     minimizeFeeSection(settings.value("fFeeSectionMinimized").toBool());
@@ -353,7 +354,7 @@
     QString questionString = tr("Are you sure you want to send?");
     questionString.append("<br /><br />%1");
 
-    if (txFee > 0) {
+    if (txFee > Amount(0)) {
         // append fee string if a fee is required
         questionString.append("<hr /><span style='color:#aa0000;'>");
         questionString.append(BitcoinUnits::formatHtmlWithUnit(
@@ -546,7 +547,8 @@
 }
 
 void SendCoinsDialog::updateDisplayUnit() {
-    setBalance(model->getBalance(), 0, 0, 0, 0, 0);
+    setBalance(model->getBalance(), Amount(0), Amount(0), Amount(0), Amount(0),
+               Amount(0));
     ui->customFee->setDisplayUnit(model->getOptionsModel()->getDisplayUnit());
     updateMinFeeLabel();
     updateSmartFeeLabel();
@@ -680,8 +682,9 @@
         // coincontrol
         // set nMinimumTotalFee to 0 in case of user has selected that the fee
         // is per KB
-        CoinControlDialog::coinControl->nMinimumTotalFee = Amount(
-            ui->radioCustomAtLeast->isChecked() ? ui->customFee->value() : 0);
+        CoinControlDialog::coinControl->nMinimumTotalFee =
+            ui->radioCustomAtLeast->isChecked() ? ui->customFee->value()
+                                                : Amount(0);
     }
 }
 
@@ -908,7 +911,7 @@
             qobject_cast<SendCoinsEntry *>(ui->entries->itemAt(i)->widget());
         if (entry && !entry->isHidden()) {
             SendCoinsRecipient rcp = entry->getValue();
-            CoinControlDialog::payAmounts.append(rcp.amount.GetSatoshis());
+            CoinControlDialog::payAmounts.append(rcp.amount);
             if (rcp.fSubtractFeeFromAmount)
                 CoinControlDialog::fSubtractFeeFromAmount = true;
         }
diff --git a/src/qt/sendcoinsentry.cpp b/src/qt/sendcoinsentry.cpp
--- a/src/qt/sendcoinsentry.cpp
+++ b/src/qt/sendcoinsentry.cpp
@@ -140,7 +140,7 @@
     }
 
     // Sending a zero amount is invalid
-    if (ui->payAmount->value(0) <= 0) {
+    if (ui->payAmount->value(0) <= Amount(0)) {
         ui->payAmount->setValid(false);
         retval = false;
     }
diff --git a/src/qt/test/uritests.cpp b/src/qt/test/uritests.cpp
--- a/src/qt/test/uritests.cpp
+++ b/src/qt/test/uritests.cpp
@@ -25,35 +25,35 @@
     QVERIFY(GUIUtil::parseBitcoinURI(scheme, uri, &rv));
     QVERIFY(rv.address == QString("175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W"));
     QVERIFY(rv.label == QString());
-    QVERIFY(rv.amount == 0);
+    QVERIFY(rv.amount == Amount(0));
 
     uri.setUrl(QString("bitcoincash:175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W?label="
                        "Wikipedia Example Address"));
     QVERIFY(GUIUtil::parseBitcoinURI(scheme, uri, &rv));
     QVERIFY(rv.address == QString("175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W"));
     QVERIFY(rv.label == QString("Wikipedia Example Address"));
-    QVERIFY(rv.amount == 0);
+    QVERIFY(rv.amount == Amount(0));
 
     uri.setUrl(
         QString("bitcoincash:175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W?amount=0.001"));
     QVERIFY(GUIUtil::parseBitcoinURI(scheme, uri, &rv));
     QVERIFY(rv.address == QString("175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W"));
     QVERIFY(rv.label == QString());
-    QVERIFY(rv.amount == 100000);
+    QVERIFY(rv.amount == Amount(100000));
 
     uri.setUrl(
         QString("bitcoincash:175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W?amount=1.001"));
     QVERIFY(GUIUtil::parseBitcoinURI(scheme, uri, &rv));
     QVERIFY(rv.address == QString("175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W"));
     QVERIFY(rv.label == QString());
-    QVERIFY(rv.amount == 100100000);
+    QVERIFY(rv.amount == Amount(100100000));
 
     uri.setUrl(
         QString("bitcoincash:175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W?amount=100&"
                 "label=Wikipedia Example"));
     QVERIFY(GUIUtil::parseBitcoinURI(scheme, uri, &rv));
     QVERIFY(rv.address == QString("175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W"));
-    QVERIFY(rv.amount == 10000000000LL);
+    QVERIFY(rv.amount == Amount(10000000000LL));
     QVERIFY(rv.label == QString("Wikipedia Example"));
 
     uri.setUrl(QString("bitcoincash:175tWpb8K1S7NmH4Zx6rewF9WQrcZv245W?message="
@@ -101,7 +101,7 @@
     QVERIFY(rv.address ==
             QString("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a"));
     QVERIFY(rv.label == QString());
-    QVERIFY(rv.amount == 0);
+    QVERIFY(rv.amount == Amount(0));
 
     uri.setUrl(
         QString("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a?label="
@@ -110,7 +110,7 @@
     QVERIFY(rv.address ==
             QString("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a"));
     QVERIFY(rv.label == QString("Wikipedia Example Address"));
-    QVERIFY(rv.amount == 0);
+    QVERIFY(rv.amount == Amount(0));
 
     uri.setUrl(QString(
         "bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a?amount=0.001"));
@@ -118,7 +118,7 @@
     QVERIFY(rv.address ==
             QString("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a"));
     QVERIFY(rv.label == QString());
-    QVERIFY(rv.amount == 100000);
+    QVERIFY(rv.amount == Amount(100000));
 
     uri.setUrl(QString(
         "bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a?amount=1.001"));
@@ -126,7 +126,7 @@
     QVERIFY(rv.address ==
             QString("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a"));
     QVERIFY(rv.label == QString());
-    QVERIFY(rv.amount == 100100000);
+    QVERIFY(rv.amount == Amount(100100000));
 
     uri.setUrl(QString(
         "bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a?amount=100&"
@@ -134,7 +134,7 @@
     QVERIFY(GUIUtil::parseBitcoinURI(scheme, uri, &rv));
     QVERIFY(rv.address ==
             QString("bitcoincash:qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a"));
-    QVERIFY(rv.amount == 10000000000LL);
+    QVERIFY(rv.amount == Amount(10000000000LL));
     QVERIFY(rv.label == QString("Wikipedia Example"));
 
     uri.setUrl(QString(
diff --git a/src/qt/transactiondesc.cpp b/src/qt/transactiondesc.cpp
--- a/src/qt/transactiondesc.cpp
+++ b/src/qt/transactiondesc.cpp
@@ -88,7 +88,7 @@
                    GUIUtil::HtmlEscape(wtx.mapValue["from"]) + "<br>";
     } else {
         // Offline transaction
-        if (nNet > 0) {
+        if (nNet > Amount(0)) {
             // Credit
             CTxDestination address = DecodeDestination(rec->address);
             if (IsValidDestination(address)) {
@@ -150,7 +150,7 @@
         else
             strHTML += "(" + tr("not accepted") + ")";
         strHTML += "<br>";
-    } else if (nNet > 0) {
+    } else if (nNet > Amount(0)) {
         //
         // Credit
         //
diff --git a/src/qt/transactionfilterproxy.cpp b/src/qt/transactionfilterproxy.cpp
--- a/src/qt/transactionfilterproxy.cpp
+++ b/src/qt/transactionfilterproxy.cpp
@@ -33,8 +33,8 @@
         index.data(TransactionTableModel::WatchonlyRole).toBool();
     QString address = index.data(TransactionTableModel::AddressRole).toString();
     QString label = index.data(TransactionTableModel::LabelRole).toString();
-    qint64 amount =
-        llabs(index.data(TransactionTableModel::AmountRole).toLongLong());
+    Amount amount(
+        llabs(index.data(TransactionTableModel::AmountRole).toLongLong()));
     int status = index.data(TransactionTableModel::StatusRole).toInt();
 
     if (!showInactive && status == TransactionStatus::Conflicted) return false;
diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -40,7 +40,7 @@
     uint256 hash = wtx.GetId();
     std::map<std::string, std::string> mapValue = wtx.mapValue;
 
-    if (nNet > 0 || wtx.IsCoinBase()) {
+    if (nNet > Amount(0) || wtx.IsCoinBase()) {
         //
         // Credit
         //
@@ -141,7 +141,7 @@
             // Mixed debit transaction, can't break down payees
             //
             parts.append(TransactionRecord(
-                hash, nTime, TransactionRecord::Other, "", nNet, 0));
+                hash, nTime, TransactionRecord::Other, "", nNet, Amount(0)));
             parts.last().involvesWatchAddress = involvesWatchAddress;
         }
     }
diff --git a/src/qt/transactiontablemodel.cpp b/src/qt/transactiontablemodel.cpp
--- a/src/qt/transactiontablemodel.cpp
+++ b/src/qt/transactiontablemodel.cpp
@@ -581,7 +581,8 @@
                 rec->status.status != TransactionStatus::Immature) {
                 return COLOR_UNCONFIRMED;
             }
-            if (index.column() == Amount && (rec->credit + rec->debit) < 0) {
+            if (index.column() == Amount &&
+                (rec->credit + rec->debit) < ::Amount(0)) {
                 return COLOR_NEGATIVE;
             }
             if (index.column() == ToAddress) {
diff --git a/src/qt/transactionview.cpp b/src/qt/transactionview.cpp
--- a/src/qt/transactionview.cpp
+++ b/src/qt/transactionview.cpp
@@ -338,7 +338,7 @@
                             &amount_parsed)) {
         transactionProxyModel->setMinAmount(amount_parsed);
     } else {
-        transactionProxyModel->setMinAmount(0);
+        transactionProxyModel->setMinAmount(Amount(0));
     }
 }
 
diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -122,12 +122,12 @@
 }
 
 void WalletModel::checkBalanceChanged() {
-    Amount newBalance = getBalance();
-    Amount newUnconfirmedBalance = getUnconfirmedBalance();
-    Amount newImmatureBalance = getImmatureBalance();
-    Amount newWatchOnlyBalance = 0;
-    Amount newWatchUnconfBalance = 0;
-    Amount newWatchImmatureBalance = 0;
+    Amount newBalance(getBalance());
+    Amount newUnconfirmedBalance(getUnconfirmedBalance());
+    Amount newImmatureBalance(getImmatureBalance());
+    Amount newWatchOnlyBalance(0);
+    Amount newWatchUnconfBalance(0);
+    Amount newWatchImmatureBalance(0);
     if (haveWatchOnly()) {
         newWatchOnlyBalance = getWatchBalance();
         newWatchUnconfBalance = getWatchUnconfirmedBalance();
@@ -176,7 +176,7 @@
 WalletModel::SendCoinsReturn
 WalletModel::prepareTransaction(WalletModelTransaction &transaction,
                                 const CCoinControl *coinControl) {
-    Amount total = 0;
+    Amount total(0);
     bool fSubtractFeeFromAmount = false;
     QList<SendCoinsRecipient> recipients = transaction.getRecipients();
     std::vector<CRecipient> vecSend;
@@ -195,22 +195,22 @@
 
         // PaymentRequest...
         if (rcp.paymentRequest.IsInitialized()) {
-            Amount subtotal = 0;
+            Amount subtotal(0);
             const payments::PaymentDetails &details =
                 rcp.paymentRequest.getDetails();
             for (int i = 0; i < details.outputs_size(); i++) {
                 const payments::Output &out = details.outputs(i);
                 if (out.amount() <= 0) continue;
-                subtotal += out.amount();
+                subtotal += Amount(out.amount());
                 const uint8_t *scriptStr = (const uint8_t *)out.script().data();
                 CScript scriptPubKey(scriptStr,
                                      scriptStr + out.script().size());
-                Amount nAmount = out.amount();
+                Amount nAmount = Amount(out.amount());
                 CRecipient recipient = {scriptPubKey, Amount(nAmount),
                                         rcp.fSubtractFeeFromAmount};
                 vecSend.push_back(recipient);
             }
-            if (subtotal <= 0) {
+            if (subtotal <= Amount(0)) {
                 return InvalidAmount;
             }
             total += subtotal;
@@ -218,7 +218,7 @@
             if (!validateAddress(rcp.address)) {
                 return InvalidAddress;
             }
-            if (rcp.amount <= 0) {
+            if (rcp.amount <= Amount(0)) {
                 return InvalidAmount;
             }
             setAddress.insert(rcp.address);
diff --git a/src/qt/walletview.cpp b/src/qt/walletview.cpp
--- a/src/qt/walletview.cpp
+++ b/src/qt/walletview.cpp
@@ -192,7 +192,7 @@
 
     Q_EMIT incomingTransaction(date,
                                walletModel->getOptionsModel()->getDisplayUnit(),
-                               amount, type, address, label);
+                               Amount(amount), type, address, label);
 }
 
 void WalletView::gotoOverviewPage() {