diff --git a/src/app/profile/views/ens_manager.nim b/src/app/profile/views/ens_manager.nim
index 85d65d302e..4f8d1fa546 100644
--- a/src/app/profile/views/ens_manager.nim
+++ b/src/app/profile/views/ens_manager.nim
@@ -4,7 +4,7 @@ import json
 import json_serialization
 import sequtils
 import strutils
-from ../../../status/libstatus/types import Setting, PendingTransactionType
+from ../../../status/libstatus/types import Setting, PendingTransactionType, RpcException
 import ../../../status/threads
 import ../../../status/ens as status_ens
 import ../../../status/libstatus/wallet as status_wallet
@@ -186,10 +186,7 @@ QtObject:
 
   proc connectOwnedUsername(self: EnsManager, username: string, isStatus: bool) {.slot.} =
     var ensUsername = formatUsername(username, isStatus)
-
-    self.usernames.add ensUsername
     self.add ensUsername
-
     self.connect(ensUsername)
 
   proc revert*(self: EnsManager, trxType: PendingTransactionType, ensUsername: string, transactionHash: string, revertReason: string) = 
@@ -203,18 +200,33 @@ QtObject:
     self.endResetModel()
     self.transactionCompleted(false, transactionHash, ensUsername, $trxType, revertReason)
 
-  proc registerENS(self: EnsManager, username: string, password: string) {.slot.} =
-    let pubKey = status_settings.getSetting[string](Setting.PublicKey, "0x0")
-    let address = status_wallet.getWalletAccounts()[0].address
-    let walletAddress = parseAddress(address)
-    let trxHash = registerUsername(username, walletAddress, pubKey, password)
-    
-    self.transactionWasSent(trxHash)
+  proc getEnsRegisterAddress(self: EnsManager): QVariant {.slot.} =
+    newQVariant($statusRegistrarAddress())
 
-     # TODO: handle transaction failure
-    var ensUsername = formatUsername(username, true)
-    self.pendingUsernames.incl(ensUsername)
-    self.add ensUsername
+  QtProperty[QVariant] ensRegisterAddress:
+    read = getEnsRegisterAddress
+
+  proc registerENSGasEstimate(self: EnsManager, ensUsername: string, address: string): int {.slot.} =
+    let pubKey = status_settings.getSetting[string](Setting.PublicKey, "0x0")
+    try:
+      result = registerUsernameEstimateGas(ensUsername, address, pubKey)
+    except:
+      result = 325000
+  
+  proc registerENS*(self: EnsManager, username: string, address: string, gas: string, gasPrice: string, password: string): string {.slot.} =
+    try:
+      let pubKey = status_settings.getSetting[string](Setting.PublicKey, "0x0")
+      let response = registerUsername(username, pubKey, address, gas, gasPrice, password)
+      result = $(%* { "result": %response })
+      self.transactionWasSent(response)
+
+      # TODO: handle transaction failure
+      var ensUsername = formatUsername(username, true)
+      self.pendingUsernames.incl(ensUsername)
+      self.add ensUsername
+
+    except RpcException as e:
+      result = $(%* { "error": %* { "message": %e.msg }})
 
   proc setPubKey(self: EnsManager, username: string, password: string) {.slot.} =
     let pubKey = status_settings.getSetting[string](Setting.PublicKey, "0x0")
diff --git a/src/status/ens.nim b/src/status/ens.nim
index 91ead41cbe..96e11200e3 100644
--- a/src/status/ens.nim
+++ b/src/status/ens.nim
@@ -7,13 +7,16 @@ import tables
 import strformat
 import libstatus/core
 import libstatus/types
+from eth/common/utils as eth_utils import parseAddress
 import libstatus/utils
 import libstatus/wallet
 import stew/byteutils
 import unicode
+import transactions
 import algorithm
 import eth/common/eth_types, stew/byteutils, stint
 import libstatus/eth/contracts
+
 const domain* = ".stateofus.eth"
 
 proc userName*(ensName: string, removeSuffix: bool = false): string =
@@ -142,7 +145,7 @@ proc getPrice*(): Stuint[256] =
 proc extractCoordinates*(pubkey: string):tuple[x: string, y:string] =
   result = ("0x" & pubkey[4..67], "0x" & pubkey[68..131])
 
-proc registerUsername*(username:string, address: EthAddress, pubKey: string, password: string): string =
+proc registerUsernameEstimateGas*(username: string, address: string, pubKey: string): int =
   let
     label = fromHex(FixedBytes[32], label(username))
     coordinates = extractCoordinates(pubkey)
@@ -153,25 +156,41 @@ proc registerUsername*(username:string, address: EthAddress, pubKey: string, pas
     price = getPrice()
   
   let
-    register = Register(label: label, account: address, x: x, y: y)
+    register = Register(label: label, account: parseAddress(address), x: x, y: y)
     registerAbiEncoded = ensUsernamesContract.methods["register"].encodeAbi(register)
     approveAndCallObj = ApproveAndCall[132](to: ensUsernamesContract.address, value: price, data: DynamicBytes[132].fromHex(registerAbiEncoded))
     approveAndCallAbiEncoded = sntContract.methods["approveAndCall"].encodeAbi(approveAndCallObj)
-  
-  let payload = %* {
-      "from": $address,
-      "to": $sntContract.address,
-      # "gas": 200000, # TODO: obtain gas price?
-      "data": approveAndCallAbiEncoded
-    }
-  let responseStr = sendTransaction($payload, password)
-  let response = Json.decode(responseStr, RpcResponse)
-  if not response.error.isNil:
-    raise newException(RpcException, "Error registering ens-username: " & response.error.message)
-  
-  trackPendingTransaction(response.result, $address, $sntContract.address, PendingTransactionType.RegisterENS, username & domain)
 
-  result = response.result
+  var tx = transactions.buildTokenTransaction(parseAddress(address), sntContract.address, "", "")
+  
+  try:
+    let response = sntContract.methods["approveAndCall"].estimateGas(tx, approveAndCallObj)
+    result = fromHex[int](response)
+  except RpcException as e:
+    raise
+
+proc registerUsername*(username, pubKey, address, gas, gasPrice,  password: string): string =
+  let
+    label = fromHex(FixedBytes[32], label(username))
+    coordinates = extractCoordinates(pubkey)
+    x = fromHex(FixedBytes[32], coordinates.x)
+    y =  fromHex(FixedBytes[32], coordinates.y)
+    ensUsernamesContract = contracts.getContract("ens-usernames")
+    sntContract = contracts.getContract("snt")
+    price = getPrice()
+  
+  let
+    register = Register(label: label, account: parseAddress(address), x: x, y: y)
+    registerAbiEncoded = ensUsernamesContract.methods["register"].encodeAbi(register)
+    approveAndCallObj = ApproveAndCall[132](to: ensUsernamesContract.address, value: price, data: DynamicBytes[132].fromHex(registerAbiEncoded)) 
+
+  var tx = transactions.buildTokenTransaction(parseAddress(address), sntContract.address, gas, gasPrice)
+
+  try:
+    result = sntContract.methods["approveAndCall"].send(tx, approveAndCallObj, password)
+    trackPendingTransaction(result, address, $sntContract.address, PendingTransactionType.RegisterENS, username & domain)
+  except RpcException as e:
+    raise
 
 proc setPubKey*(username:string, address: EthAddress, pubKey: string, password: string): string =
   var hash = namehash(username)
diff --git a/ui/app/AppLayouts/Profile/Sections/Ens/RegisterENSModal.qml b/ui/app/AppLayouts/Profile/Sections/Ens/RegisterENSModal.qml
new file mode 100644
index 0000000000..a68fcf9352
--- /dev/null
+++ b/ui/app/AppLayouts/Profile/Sections/Ens/RegisterENSModal.qml
@@ -0,0 +1,239 @@
+import QtQuick 2.13
+import QtQuick.Controls 2.13
+import QtQuick.Layouts 1.13
+import QtQuick.Dialogs 1.3
+import "../../../../../imports"
+import "../../../../../shared"
+
+ModalPopup {
+    id: root
+    readonly property var asset: JSON.parse(walletModel.getStatusToken())
+    property string ensUsername: ""
+    property string ensPrice: "10"
+
+    property bool showBackBtn: false
+    title: qsTr("Authorize %1 %2").arg(Utils.stripTrailingZeros(ensPrice)).arg(asset.symbol)
+
+    property MessageDialog sendingError: MessageDialog {
+        id: sendingError
+        title: qsTr("Error sending the transaction")
+        icon: StandardIcon.Critical
+        standardButtons: StandardButton.Ok
+    }
+    property MessageDialog sendingSuccess: MessageDialog {
+        id: sendingSuccess
+        //% "Success sending the transaction"
+        title: qsTrId("success-sending-the-transaction")
+        icon: StandardIcon.NoIcon
+        standardButtons: StandardButton.Ok
+        onAccepted: {
+            root.close()
+        }
+    }
+
+    onClosed: {
+        stack.reset()
+    }
+
+    function sendTransaction() {
+        let responseStr = profileModel.ens.registerENS(root.ensUsername,
+                                                       selectFromAccount.selectedAccount.address,
+                                                       gasSelector.selectedGasLimit,
+                                                       gasSelector.selectedGasPrice,
+                                                       transactionSigner.enteredPassword)
+        let response = JSON.parse(responseStr)
+
+        if (response.error) {
+            if (response.error.message.includes("could not decrypt key with given password")){
+                transactionSigner.validationError = qsTr("Wrong password")
+                return
+            }
+            sendingError.text = response.error.message
+            return sendingError.open()
+        }
+
+        usernameRegistered(username);
+        sendingSuccess.text = qsTr("Transaction sent to the blockchain. You can watch the progress on Etherscan: %2%1").arg(response.result).arg(walletModel.etherscanLink)
+        sendingSuccess.open()
+    }
+
+    TransactionStackView {
+        id: stack
+        height: parent.height
+        anchors.fill: parent
+        anchors.leftMargin: Style.current.padding
+        anchors.rightMargin: Style.current.padding
+        onGroupActivated: {
+            root.title = group.headerText
+            btnNext.label = group.footerText
+        }
+        TransactionFormGroup {
+            id: group1
+            headerText: qsTr("Authorize %1 %2").arg(Utils.stripTrailingZeros(root.ensPrice)).arg(root.asset.symbol)
+            footerText: qsTr("Continue")
+
+            StackView.onActivated: {
+                btnBack.visible = root.showBackBtn
+            }
+
+            AccountSelector {
+                id: selectFromAccount
+                accounts: walletModel.accounts
+                selectedAccount: walletModel.currentAccount
+                currency: walletModel.defaultCurrency
+                width: stack.width
+                label: qsTr("Choose account")
+                showBalanceForAssetSymbol: root.asset.symbol
+                minRequiredAssetBalance: root.ensPrice
+                reset: function() {
+                    accounts = Qt.binding(function() { return walletModel.accounts })
+                    selectedAccount = Qt.binding(function() { return walletModel.currentAccount })
+                    showBalanceForAssetSymbol = Qt.binding(function() { return root.asset.symbol })
+                    minRequiredAssetBalance = Qt.binding(function() { return root.ensPrice })
+                }
+                onSelectedAccountChanged: gasSelector.estimateGas()
+            }
+            RecipientSelector {
+                id: selectRecipient
+                visible: false
+                accounts: walletModel.accounts
+                contacts: profileModel.addedContacts
+                selectedRecipient: { "address": profileModel.ens.ensRegisterAddress, "type": RecipientSelector.Type.Address } //////////////////////////////
+                readOnly: true
+                onSelectedRecipientChanged: gasSelector.estimateGas()
+            }
+            GasSelector {
+                id: gasSelector
+                visible: false
+                slowestGasPrice: parseFloat(walletModel.safeLowGasPrice)
+                fastestGasPrice: parseFloat(walletModel.fastestGasPrice)
+                getGasEthValue: walletModel.getGasEthValue
+                getFiatValue: walletModel.getFiatValue
+                defaultCurrency: walletModel.defaultCurrency
+                reset: function() {
+                    slowestGasPrice = Qt.binding(function(){ return parseFloat(walletModel.safeLowGasPrice) })
+                    fastestGasPrice = Qt.binding(function(){ return parseFloat(walletModel.fastestGasPrice) })
+                }
+                property var estimateGas: Backpressure.debounce(gasSelector, 600, function() {
+                    if (!(root.ensUsername !== "" && selectFromAccount.selectedAccount)) {
+                        selectedGasLimit = 325000
+                        return
+                    }
+                    selectedGasLimit = profileModel.ens.registerENSGasEstimate(root.ensUsername, selectFromAccount.selectedAccount.address)
+                })
+            }
+            GasValidator {
+                id: gasValidator
+                anchors.bottom: parent.bottom
+                anchors.bottomMargin: 8
+                selectedAccount: selectFromAccount.selectedAccount
+                selectedAsset: root.asset
+                selectedAmount: parseFloat(ensPrice)
+                selectedGasEthValue: gasSelector.selectedGasEthValue
+                reset: function() {
+                    selectedAccount = Qt.binding(function() { return selectFromAccount.selectedAccount })
+                    selectedAsset = Qt.binding(function() { return root.asset })
+                    selectedAmount = Qt.binding(function() { return parseFloat(ensPrice) })
+                    selectedGasEthValue = Qt.binding(function() { return gasSelector.selectedGasEthValue })
+                }
+            }
+        }
+        TransactionFormGroup {
+            id: group3
+            headerText: qsTr("Authorize %1 %2").arg(Utils.stripTrailingZeros(root.ensPrice)).arg(root.asset.symbol)
+            footerText: qsTr("Sign with password")
+
+            StackView.onActivated: {
+                btnBack.visible = true
+            }
+
+            TransactionPreview {
+                id: pvwTransaction
+                width: stack.width
+                fromAccount: selectFromAccount.selectedAccount
+                gas: {
+                    "value": gasSelector.selectedGasEthValue,
+                    "symbol": "ETH",
+                    "fiatValue": gasSelector.selectedGasFiatValue
+                }
+                toAccount: {
+                    return selectRecipient.selectedRecipient
+                }
+                asset: root.asset
+                currency: walletModel.defaultCurrency
+                amount: {
+                    const fiatValue = walletModel.getFiatValue(root.ensPrice || 0, root.asset.symbol, currency)
+                    return { "value": root.ensPrice, "fiatValue": fiatValue }
+                }
+                reset: function() {
+                    fromAccount = Qt.binding(function() { return selectFromAccount.selectedAccount })
+                    toAccount = Qt.binding(function() { return selectRecipient.selectedRecipient })
+                    asset = Qt.binding(function() { return root.asset })
+                    amount = Qt.binding(function() { return { "value": root.ensPrice, "fiatValue": walletModel.getFiatValue(root.ensPrice, root.asset.symbol, currency) } })
+                    gas = Qt.binding(function() {
+                        return {
+                            "value": gasSelector.selectedGasEthValue,
+                            "symbol": "ETH",
+                            "fiatValue": gasSelector.selectedGasFiatValue
+                        }
+                    })
+                }
+            }
+        }
+        TransactionFormGroup {
+            id: group4
+            headerText: qsTr("Send %1 %2").arg(Utils.stripTrailingZeros(root.ensPrice)).arg(root.asset.symbol)
+            footerText: qsTr("Sign with password")
+
+            TransactionSigner {
+                id: transactionSigner
+                width: stack.width
+                signingPhrase: walletModel.signingPhrase
+                reset: function() {
+                    signingPhrase = Qt.binding(function() { return walletModel.signingPhrase })
+                }
+            }
+        }
+    }
+
+    footer: Item {
+        anchors.top: parent.top
+        anchors.left: parent.left
+        anchors.right: parent.right
+        StyledButton {
+            id: btnBack
+            anchors.left: parent.left
+            //% "Back"
+            label: qsTrId("back")
+            onClicked: {
+                if (stack.isFirstGroup) {
+                    return root.close()
+                }
+                stack.back()
+            }
+        }
+        StyledButton {
+            id: btnNext
+            anchors.right: parent.right
+            label: qsTr("Next")
+            disabled: !stack.currentGroup.isValid
+            onClicked: {
+                const isValid = stack.currentGroup.validate()
+
+                if (stack.currentGroup.validate()) {
+                    if (stack.isLastGroup) {
+                        return root.sendTransaction()
+                    }
+                    stack.next()
+                }
+            }
+        }
+    }
+}
+
+/*##^##
+Designer {
+    D{i:0;autoSize:true;height:480;width:640}
+}
+##^##*/
+
diff --git a/ui/app/AppLayouts/Profile/Sections/Ens/TermsAndConditions.qml b/ui/app/AppLayouts/Profile/Sections/Ens/TermsAndConditions.qml
index 3dba67b4e5..759baa4971 100644
--- a/ui/app/AppLayouts/Profile/Sections/Ens/TermsAndConditions.qml
+++ b/ui/app/AppLayouts/Profile/Sections/Ens/TermsAndConditions.qml
@@ -22,33 +22,12 @@ Item {
         font.pixelSize: 20
     }
 
-    ModalPopup {
+    RegisterENSModal {
         id: transactionDialog
-        title: qsTr("TODO: replace this for the transaction dialog")
-
-        Input {
-            id: passwd
-            placeholderText: "Password"
-            anchors.top: parent.textToCopy
-            anchors.topMargin: 24
-            anchors.left: parent.left
-            anchors.leftMargin: 24
-        }
-
-        StyledButton {
-            anchors.bottom: parent.bottom
-            anchors.bottomMargin: Style.current.padding
-            anchors.left: parent.left
-            anchors.leftMargin: Style.current.padding
-            label: qsTr("Ok")
-            onClicked: {
-                profileModel.ens.registerENS(username, passwd.text)
-                passwd.text = "";
-                usernameRegistered(username);
-                transactionDialog.close();
-            }
-        }
-
+        ensUsername: username
+        width: 400
+        height: 400
+        showBackBtn: false
     }
 
     ModalPopup {