diff --git a/app/scripts/controllers/blacklist.js b/app/scripts/controllers/blacklist.js
index 89c7cc888..88de61a7f 100644
--- a/app/scripts/controllers/blacklist.js
+++ b/app/scripts/controllers/blacklist.js
@@ -96,7 +96,9 @@ class BlacklistController {
    *
    */
   scheduleUpdates () {
-    if (this._phishingUpdateIntervalRef) return
+    if (this._phishingUpdateIntervalRef) {
+      clearInterval(this._phishingUpdateIntervalRef)
+    }
     this.updatePhishingList().catch(log.warn)
     this._phishingUpdateIntervalRef = setInterval(() => {
       this.updatePhishingList().catch(log.warn)
diff --git a/app/scripts/platforms/extension.js b/app/scripts/platforms/extension.js
index 3bbdfa4bc..a77da7daa 100644
--- a/app/scripts/platforms/extension.js
+++ b/app/scripts/platforms/extension.js
@@ -109,22 +109,23 @@ class ExtensionPlatform {
       })
   }
 
-  _subscribeToNotificationClicked () {
-    if (!extension.notifications.onClicked.hasListener(this._viewOnEtherScan)) {
-      extension.notifications.onClicked.addListener(this._viewOnEtherScan)
+  _subscribeToNotificationClicked = () => {
+    if (!extension.notifications.onClicked.hasListener(this._viewOnExplorer)) {
+      extension.notifications.onClicked.addListener((url) => this._viewOnExplorer(url))
     }
   }
 
-  _viewOnEtherScan (txId) {
-    if (txId.startsWith('http://') || txId.startsWith('https://')) {
-      global.metamaskController.platform.openWindow({ url: txId })
+  _viewOnExplorer (url) {
+    if (url.startsWith('http://') || url.startsWith('https://')) {
+      extension.notifications.onClicked.removeListener(this._viewOnExplorer)
+      global.metamaskController.platform.openWindow({ url })
     }
   }
 
   _getExplorer (hash, networkId) {
     let explorerName
-    if (networkId === 99 || networkId === 77) {
-      explorerName = 'POA explorer'
+    if (networkId === 99 || networkId === 100 || networkId === 77) {
+      explorerName = 'BlockScout'
     } else {
       explorerName = 'Etherscan'
     }
diff --git a/old-ui/app/components/menu-droppo.js b/old-ui/app/components/menu-droppo.js
index ca07badf3..4efc79281 100644
--- a/old-ui/app/components/menu-droppo.js
+++ b/old-ui/app/components/menu-droppo.js
@@ -80,24 +80,24 @@ MenuDroppoComponent.prototype.componentDidMount = function () {
     this.container = container
   }
 
+  this.transitionStarted = this.transitionstartOccured.bind(this)
+
   /*
    * transitionstart event is not supported in Chrome yet. But it works for Firefox 53+.
    * We need to handle this event only for FF because for Chrome we've hidden scrolls.
   */
-  this.refs.menuDroppoContainer.addEventListener('transitionstart', () => {
-    this.refs.menuDroppoContainer.style.overflow = 'hidden'
-  })
+  this.refs.menuDroppoContainer.addEventListener('transitionstart', this.transitionStarted)
 
-  this.refs.menuDroppoContainer.addEventListener('transitionend', () => {
-    if (!this.props.constOverflow) {
-      this.refs.menuDroppoContainer.style.overflow = 'auto'
-    }
-  })
+  this.transitionEnded = this.transitionendOccured.bind(this)
+
+  this.refs.menuDroppoContainer.addEventListener('transitionend', this.transitionEnded)
 }
 
 MenuDroppoComponent.prototype.componentWillUnmount = function () {
   if (this && document.body) {
     document.body.removeEventListener('click', this.globalClickHandler)
+    document.body.removeEventListener('transitionstart', this.transitionStarted)
+    document.body.removeEventListener('transitionend', this.transitionEnded)
   }
 }
 
@@ -113,6 +113,16 @@ MenuDroppoComponent.prototype.globalClickOccurred = function (event) {
   }
 }
 
+MenuDroppoComponent.prototype.transitionstartOccured = function (event) {
+  this.refs.menuDroppoContainer.style.overflow = 'hidden'
+}
+
+MenuDroppoComponent.prototype.transitionendOccured = function (event) {
+  if (!this.props.constOverflow) {
+    this.refs.menuDroppoContainer.style.overflow = 'auto'
+  }
+}
+
 function isDescendant (parent, child) {
   var node = child.parentNode
   while (node !== null) {
diff --git a/old-ui/app/components/transaction-list-item.js b/old-ui/app/components/transaction-list-item.js
index e6a088763..dd681e072 100644
--- a/old-ui/app/components/transaction-list-item.js
+++ b/old-ui/app/components/transaction-list-item.js
@@ -65,7 +65,7 @@ TransactionListItem.prototype.render = function () {
 
   let isLinkable = false
   const numericNet = parseInt(network)
-  isLinkable = numericNet === 1 || numericNet === 3 || numericNet === 4 || numericNet === 42 || numericNet === 77 || numericNet === 99
+  isLinkable = numericNet === 1 || numericNet === 3 || numericNet === 4 || numericNet === 42 || numericNet === 77 || numericNet === 99 || numericNet === 100
 
   var isMsg = ('msgParams' in transaction)
   var isTx = ('txParams' in transaction)