diff --git a/public/_locales/en/messages.json b/public/_locales/en/messages.json
index 1c7831782..d91a9ebf5 100644
--- a/public/_locales/en/messages.json
+++ b/public/_locales/en/messages.json
@@ -2207,10 +2207,21 @@
     "message": "Default account (the first one)"
   },
   "defaultNetworksGroup": {
-    "message": "Default"
+    "message": "Default Networks"
   },
   "customNetworksGroup": {
-    "message": "Custom"
+    "message": "Custom Networks"
+  },
+  "chainTestnetsGroup": {
+    "message": "$chain$ Testnets",
+    "placeholders": {
+      "chain": {
+        "content": "$1"
+      }
+    }
+  },
+  "customTestnetsGroup": {
+    "message": "Custom Testnets"
   },
   "active": {
     "message": "Active"
@@ -2254,32 +2265,26 @@
   "removeNetwork": {
     "message": "Remove Network"
   },
-  "removeNetworkModalTitle": {
-    "message": "Remove $network$?",
-    "placeholders": {
-      "network": {
-        "content": "$1"
-      }
-    }
+  "removeNetworkModalTitleLeftPart": {
+    "message": "Remove "
+  },
+  "removeNetworkModalTitleRightPart": {
+    "message": "?"
   },
   "removeNetworkModalDescription": {
     "message": "You won’t be able to check the assets on this\nnetwork anymore."
   },
-  "editSomeRpc": {
-    "message": "Edit $name$ RPC",
-    "placeholders": {
-      "name": {
-        "content": "$1"
-      }
-    }
+  "editSomeRpcLeftPart": {
+    "message": "Edit "
   },
-  "editSomeBlockExplorer": {
-    "message": "Edit $name$",
-    "placeholders": {
-      "name": {
-        "content": "$1"
-      }
-    }
+  "editSomeRpcRightPart": {
+    "message": " RPC"
+  },
+  "editSomeBlockExplorerLeftPart": {
+    "message": "Edit "
+  },
+  "editSomeBlockExplorerRightPart": {
+    "message": ""
   },
   "rpcDoesNotRespond": {
     "message": "RPC doesn’t respond"
@@ -2306,24 +2311,20 @@
       }
     }
   },
-  "confirmDeleteRpcTitle": {
-    "message": "Delete $name$ RPC?",
-    "placeholders": {
-      "name": {
-        "content": "$1"
-      }
-    }
+  "confirmDeleteRpcTitleLeftPart": {
+    "message": "Delete "
+  },
+  "confirmDeleteRpcTitleRightPart": {
+    "message": " RPC?"
   },
   "confirmDeleteRpcDescription": {
     "message": "This will remove the RPC from the list and automatically switch the network to the default RPC endpoint."
   },
-  "confirmDeleteBlockExplorerTitle": {
-    "message": "Delete $name$?",
-    "placeholders": {
-      "name": {
-        "content": "$1"
-      }
-    }
+  "confirmDeleteBlockExplorerTitleLeftPart": {
+    "message": "Delete "
+  },
+  "confirmDeleteBlockExplorerTitleRightPart": {
+    "message": "?"
   },
   "confirmDeleteBlockExplorerDescription": {
     "message": "This will remove the block explorer from the list and automatically switch the network to the default one."
diff --git a/src/app/atoms/PageModal/index.tsx b/src/app/atoms/PageModal/index.tsx
index 410137ba9..448794752 100644
--- a/src/app/atoms/PageModal/index.tsx
+++ b/src/app/atoms/PageModal/index.tsx
@@ -1,4 +1,4 @@
-import React, { PropsWithChildren, memo } from 'react';
+import React, { FC, PropsWithChildren, ReactNode } from 'react';
 
 import clsx from 'clsx';
 import Modal from 'react-modal';
@@ -15,8 +15,9 @@ import { IconBase } from '../IconBase';
 import ModStyles from './styles.module.css';
 
 interface Props extends TestIDProps {
-  title: string;
+  title: ReactNode | ReactNode[];
   opened: boolean;
+  headerClassName?: string;
   shouldShowBackButton?: boolean;
   onRequestClose: EmptyFn;
   onGoBack?: EmptyFn;
@@ -25,52 +26,60 @@ interface Props extends TestIDProps {
 
 export const CLOSE_ANIMATION_TIMEOUT = 300;
 
-export const PageModal = memo<PropsWithChildren<Props>>(
-  ({ title, opened, shouldShowBackButton, onRequestClose, onGoBack, children, testID, animated = true }) => {
-    const { fullPage } = useAppEnv();
+export const PageModal: FC<PropsWithChildren<Props>> = ({
+  title,
+  opened,
+  headerClassName,
+  shouldShowBackButton,
+  onRequestClose,
+  onGoBack,
+  children,
+  testID,
+  animated = true
+}) => {
+  const { fullPage } = useAppEnv();
 
-    return (
-      <Modal
-        isOpen={opened}
-        closeTimeoutMS={animated ? CLOSE_ANIMATION_TIMEOUT : undefined}
-        htmlOpenClassName="overflow-hidden" // Disabling page scroll and/or bounce behind modal
-        bodyOpenClassName={ACTIVATE_CONTENT_FADER_CLASSNAME}
-        overlayClassName={{
-          base: clsx('fixed z-modal-page inset-0', fullPage ? 'pt-13 pb-8' : 'pt-4'),
-          afterOpen: '',
-          beforeClose: ''
-        }}
-        className={{
-          base: clsx(
-            LAYOUT_CONTAINER_CLASSNAME,
-            'h-full flex flex-col bg-white overflow-hidden',
-            fullPage ? 'rounded-lg' : 'rounded-t-lg',
-            ModStyles.base,
-            animated && 'ease-out duration-300'
-          ),
-          afterOpen: ModStyles.opened,
-          beforeClose: ModStyles.closed
-        }}
-        appElement={document.getElementById('root')!}
-        onRequestClose={onRequestClose}
-        testId={testID}
-      >
-        <div className="flex items-center p-4 border-b border-lines">
-          <div className="w-12">
-            {shouldShowBackButton && (
-              <IconBase Icon={ChevronLeftIcon} size={16} className="text-grey-2 cursor-pointer" onClick={onGoBack} />
-            )}
-          </div>
+  return (
+    <Modal
+      isOpen={opened}
+      closeTimeoutMS={animated ? CLOSE_ANIMATION_TIMEOUT : undefined}
+      htmlOpenClassName="overflow-hidden" // Disabling page scroll and/or bounce behind modal
+      bodyOpenClassName={ACTIVATE_CONTENT_FADER_CLASSNAME}
+      overlayClassName={{
+        base: clsx('fixed z-modal-page inset-0', fullPage ? 'pt-13 pb-8' : 'pt-4'),
+        afterOpen: '',
+        beforeClose: ''
+      }}
+      className={{
+        base: clsx(
+          LAYOUT_CONTAINER_CLASSNAME,
+          'h-full flex flex-col bg-white overflow-hidden',
+          fullPage ? 'rounded-lg' : 'rounded-t-lg',
+          ModStyles.base,
+          animated && 'ease-out duration-300'
+        ),
+        afterOpen: ModStyles.opened,
+        beforeClose: ModStyles.closed
+      }}
+      appElement={document.getElementById('root')!}
+      onRequestClose={onRequestClose}
+      testId={testID}
+    >
+      <div className="flex items-center p-4 border-b border-lines">
+        <div className="w-12">
+          {shouldShowBackButton && (
+            <IconBase Icon={ChevronLeftIcon} size={16} className="text-grey-2 cursor-pointer" onClick={onGoBack} />
+          )}
+        </div>
 
-          <div className="flex-1 text-center text-font-regular-bold">{title}</div>
+        <div className={clsx('flex-1 text-center text-font-regular-bold', headerClassName)}>{title}</div>
 
-          <div className="w-12 flex justify-end">
-            <IconBase Icon={ExIcon} size={16} className="text-grey-2 cursor-pointer" onClick={onRequestClose} />
-          </div>
+        <div className="w-12 flex justify-end">
+          <IconBase Icon={ExIcon} size={16} className="text-grey-2 cursor-pointer" onClick={onRequestClose} />
         </div>
+      </div>
 
-        <div className="flex-1 flex flex-col overflow-hidden">{children}</div>
-      </Modal>
-    );
-  }
-);
+      <div className="flex-1 flex flex-col overflow-hidden">{children}</div>
+    </Modal>
+  );
+};
diff --git a/src/app/atoms/SettingsCell.tsx b/src/app/atoms/SettingsCell.tsx
index cca98ffbe..aaaa3b602 100644
--- a/src/app/atoms/SettingsCell.tsx
+++ b/src/app/atoms/SettingsCell.tsx
@@ -12,6 +12,7 @@ interface SettingsCellPropsBase<P extends ComponentBase = ComponentBase> {
   cellIcon?: ReactNode;
   cellName: ReactNode;
   cellNameClassName?: string;
+  wrapCellName?: boolean;
   Component: 'div' | FC<P>;
 }
 
@@ -29,7 +30,8 @@ export const SettingsCell = <P extends ComponentBase>({
   className,
   cellIcon,
   cellName,
-  cellNameClassName = 'text-font-medium-bold',
+  cellNameClassName = 'text-left text-font-medium-bold flex-1',
+  wrapCellName = true,
   isLast = true,
   children,
   Component,
@@ -37,14 +39,12 @@ export const SettingsCell = <P extends ComponentBase>({
 }: SettingsCellProps<P>) => {
   return (
     <Component
-      className={clsx('flex justify-between items-center p-3', !isLast && 'border-b-0.5 border-lines', className)}
+      className={clsx('flex items-center p-3 gap-2', !isLast && 'border-b-0.5 border-lines', className)}
       {...restProps}
     >
-      <div className="flex items-center gap-2">
-        {cellIcon}
+      {cellIcon}
 
-        <span className={cellNameClassName}>{cellName}</span>
-      </div>
+      {wrapCellName ? <span className={cellNameClassName}>{cellName}</span> : cellName}
 
       {children}
     </Component>
diff --git a/src/app/atoms/action-modal/action-modal.tsx b/src/app/atoms/action-modal/action-modal.tsx
index c11e2b541..ea0f430e9 100644
--- a/src/app/atoms/action-modal/action-modal.tsx
+++ b/src/app/atoms/action-modal/action-modal.tsx
@@ -19,36 +19,39 @@ export interface ActionModalProps {
   onClose?: EmptyFn;
   children?: ReactNode | ReactNode[];
   title?: ReactNode;
+  headerClassName?: string;
   className?: string;
 }
 
-export const ActionModal = memo<ActionModalProps>(({ onClose, children, hasCloseButton = true, title }) => {
-  const { fullPage } = useAppEnv();
+export const ActionModal = memo<ActionModalProps>(
+  ({ onClose, children, hasCloseButton = true, headerClassName, title }) => {
+    const { fullPage } = useAppEnv();
 
-  return (
-    <CustomModal
-      isOpen
-      className="rounded-lg"
-      overlayClassName={clsx(
-        'backdrop-blur-xs',
-        fullPage && [
-          FULL_PAGE_WRAP_OVERLAY_CLASSNAME,
-          actionModalStyles.fullPageOverlay,
-          LAYOUT_CONTAINER_CLASSNAME,
-          FULL_PAGE_LAYOUT_CONTAINER_CLASSNAME
-        ]
-      )}
-      onRequestClose={onClose}
-    >
-      <div className="relative p-3 border-b-0.5 border-lines w-modal">
-        <h1 className="text-center text-font-regular-bold mx-9">{title}</h1>
-        {hasCloseButton && (
-          <Button className="absolute top-3 right-3" onClick={onClose}>
-            <IconBase Icon={CloseIcon} size={16} className="text-grey-2" />
-          </Button>
+    return (
+      <CustomModal
+        isOpen
+        className="rounded-lg"
+        overlayClassName={clsx(
+          'backdrop-blur-xs',
+          fullPage && [
+            FULL_PAGE_WRAP_OVERLAY_CLASSNAME,
+            actionModalStyles.fullPageOverlay,
+            LAYOUT_CONTAINER_CLASSNAME,
+            FULL_PAGE_LAYOUT_CONTAINER_CLASSNAME
+          ]
         )}
-      </div>
-      {children}
-    </CustomModal>
-  );
-});
+        onRequestClose={onClose}
+      >
+        <div className="relative p-3 border-b-0.5 border-lines w-modal">
+          <h1 className={clsx('text-center text-font-regular-bold mx-12', headerClassName)}>{title}</h1>
+          {hasCloseButton && (
+            <Button className="absolute top-3 right-3" onClick={onClose}>
+              <IconBase Icon={CloseIcon} size={16} className="text-grey-2" />
+            </Button>
+          )}
+        </div>
+        {children}
+      </CustomModal>
+    );
+  }
+);
diff --git a/src/app/layouts/PageLayout/DefaultHeader.tsx b/src/app/layouts/PageLayout/DefaultHeader.tsx
index 949e12f3a..d6fc54602 100644
--- a/src/app/layouts/PageLayout/DefaultHeader.tsx
+++ b/src/app/layouts/PageLayout/DefaultHeader.tsx
@@ -69,7 +69,7 @@ export const DefaultHeader = memo<PropsWithChildren<DefaultHeaderProps>>(
           </div>
 
           {pageTitle && (
-            <div className="flex items-center text-center text-font-regular-bold truncate">{pageTitle}</div>
+            <div className="flex items-center text-center text-font-regular-bold truncate max-w-64">{pageTitle}</div>
           )}
 
           <div className="flex-1 flex items-center justify-end">{headerRightElem}</div>
diff --git a/src/app/pages/ChainSettings/index.tsx b/src/app/pages/ChainSettings/index.tsx
index b9b786eee..1d029f607 100644
--- a/src/app/pages/ChainSettings/index.tsx
+++ b/src/app/pages/ChainSettings/index.tsx
@@ -1,12 +1,7 @@
 import React, { memo, useCallback, useEffect, useMemo, useState } from 'react';
 
 import { ToggleSwitch } from 'app/atoms';
-import {
-  ActionModal,
-  ActionModalBodyContainer,
-  ActionModalButton,
-  ActionModalButtonsContainer
-} from 'app/atoms/action-modal';
+import { ActionModalBodyContainer, ActionModalButton, ActionModalButtonsContainer } from 'app/atoms/action-modal';
 import { ActionsButtonsBox } from 'app/atoms/PageModal/actions-buttons-box';
 import { SettingsCell } from 'app/atoms/SettingsCell';
 import { SettingsCellGroup } from 'app/atoms/SettingsCellGroup';
@@ -29,6 +24,7 @@ import { TempleChainKind } from 'temple/types';
 
 import { ManageUrlEntitiesView } from './manage-url-entities-view';
 import { ChainSettingsSelectors } from './selectors';
+import { ShortenedEntityNameActionModal } from './shortened-entity-name-action-modal';
 import { useChainOperations } from './use-chain-operations';
 
 interface ChainSettingsProps {
@@ -97,9 +93,9 @@ const ChainExistentSettings = memo<ChainExistentSettingsProps>(({ chain, bottomE
           activeItemId={chain.rpc.id}
           title={<T id="rpcEndpoints" />}
           items={chain.allRpcs}
-          editModalTitleI18nKey="editSomeRpc"
+          editModalTitleI18nKeyBase="editSomeRpc"
           createModalTitle={t('addSomeRpc', chain.name)}
-          confirmDeleteTitleI18nKey="confirmDeleteRpcTitle"
+          confirmDeleteTitleI18nKeyBase="confirmDeleteRpcTitle"
           confirmDeleteDescriptionI18nKey="confirmDeleteRpcDescription"
           deleteLabelI18nKey="deleteRpc"
           successfullyAddedMessageI18nKey="rpcAdded"
@@ -119,9 +115,9 @@ const ChainExistentSettings = memo<ChainExistentSettingsProps>(({ chain, bottomE
           activeItemId={chain.activeBlockExplorer?.id ?? ''}
           title={<T id="blockExplorer" />}
           items={chain.allBlockExplorers}
-          editModalTitleI18nKey="editSomeBlockExplorer"
+          editModalTitleI18nKeyBase="editSomeBlockExplorer"
           createModalTitle={t('addSomeBlockExplorer', chain.name)}
-          confirmDeleteTitleI18nKey="confirmDeleteBlockExplorerTitle"
+          confirmDeleteTitleI18nKeyBase="confirmDeleteBlockExplorerTitle"
           deleteLabelI18nKey="deleteBlockExplorer"
           confirmDeleteDescriptionI18nKey="confirmDeleteBlockExplorerDescription"
           successfullyAddedMessageI18nKey="blockExplorerAdded"
@@ -149,7 +145,11 @@ const ChainExistentSettings = memo<ChainExistentSettingsProps>(({ chain, bottomE
         </ActionsButtonsBox>
       )}
       {removeChainModalIsOpen && (
-        <ActionModal title={t('removeNetworkModalTitle', chain.name)} hasCloseButton={false}>
+        <ShortenedEntityNameActionModal
+          titleI18nKeyBase="removeNetworkModalTitle"
+          entityName={chain.nameI18nKey ? <T id={chain.nameI18nKey} /> : chain.name}
+          hasCloseButton={false}
+        >
           <ActionModalBodyContainer>
             <p className="text-center text-grey-1 text-font-description">
               <T id="removeNetworkModalDescription" />
@@ -172,7 +172,7 @@ const ChainExistentSettings = memo<ChainExistentSettingsProps>(({ chain, bottomE
               <T id="remove" />
             </ActionModalButton>
           </ActionModalButtonsContainer>
-        </ActionModal>
+        </ShortenedEntityNameActionModal>
       )}
     </>
   );
@@ -196,7 +196,7 @@ export const ChainSettings = memo<ChainSettingsProps>(props => {
   return (
     <PageLayout
       contentPadding={false}
-      pageTitle={pageTitle}
+      pageTitle={<span className="truncate">{pageTitle}</span>}
       onBottomEdgeVisibilityChange={setBottomEdgeIsVisible}
       bottomEdgeThreshold={16}
     >
diff --git a/src/app/pages/ChainSettings/manage-url-entities-view/create-modal.tsx b/src/app/pages/ChainSettings/manage-url-entities-view/create-modal.tsx
index d517b552e..445d9125f 100644
--- a/src/app/pages/ChainSettings/manage-url-entities-view/create-modal.tsx
+++ b/src/app/pages/ChainSettings/manage-url-entities-view/create-modal.tsx
@@ -92,6 +92,7 @@ export const CreateUrlEntityModal = memo(
                   required: t('required'),
                   validate: (value: string) => (namesToExclude.includes(value) ? t('mustBeUnique') : true)
                 })}
+                disabled={isSubmitting}
                 label={t('name')}
                 id="createurlentity-name"
                 placeholder="Ethereum"
@@ -102,6 +103,7 @@ export const CreateUrlEntityModal = memo(
               <UrlInput
                 formReturn={formReturn}
                 urlsToExclude={urlsToExclude}
+                disabled={isSubmitting}
                 isEditable
                 id="createurlentity-url"
                 placeholder={urlInputPlaceholder}
@@ -116,6 +118,7 @@ export const CreateUrlEntityModal = memo(
                 <SettingsCheckbox
                   {...field}
                   checked={field.value}
+                  disabled={isSubmitting}
                   label={<T id={activeI18nKey} />}
                   testID={activeCheckboxTestID}
                 />
diff --git a/src/app/pages/ChainSettings/manage-url-entities-view/edit-modal.tsx b/src/app/pages/ChainSettings/manage-url-entities-view/edit-modal.tsx
index 9e432fd4c..6dace4252 100644
--- a/src/app/pages/ChainSettings/manage-url-entities-view/edit-modal.tsx
+++ b/src/app/pages/ChainSettings/manage-url-entities-view/edit-modal.tsx
@@ -3,12 +3,7 @@ import React, { useCallback, useState } from 'react';
 import { Controller, useForm } from 'react-hook-form-v7';
 
 import { FormField, IconBase, ToggleSwitch } from 'app/atoms';
-import {
-  ActionModal,
-  ActionModalBodyContainer,
-  ActionModalButton,
-  ActionModalButtonsContainer
-} from 'app/atoms/action-modal';
+import { ActionModalBodyContainer, ActionModalButton, ActionModalButtonsContainer } from 'app/atoms/action-modal';
 import { PageModal } from 'app/atoms/PageModal';
 import { ActionsButtonsBox } from 'app/atoms/PageModal/actions-buttons-box';
 import { ScrollView } from 'app/atoms/PageModal/scroll-view';
@@ -23,6 +18,8 @@ import { useBooleanState } from 'lib/ui/hooks';
 import { shouldDisableSubmitButton } from 'lib/ui/should-disable-submit-button';
 
 import { ChainSettingsSelectors } from '../selectors';
+import { ShortenedEntityNameActionModal } from '../shortened-entity-name-action-modal';
+import { ShortenedEntityNameActionTitle } from '../shortened-entity-name-action-title';
 
 import { UrlEntityBase } from './types';
 import { UrlInput } from './url-input';
@@ -43,8 +40,8 @@ interface EditUrlEntityModalProps<T extends UrlEntityBase> {
   namesToExclude: string[];
   urlsToExclude: string[];
   activeI18nKey: TID;
-  titleI18nKey: TID;
-  confirmDeleteTitleI18nKey: TID;
+  titleI18nKeyBase: 'editSomeRpc' | 'editSomeBlockExplorer';
+  confirmDeleteTitleI18nKeyBase: 'confirmDeleteRpcTitle' | 'confirmDeleteBlockExplorerTitle';
   confirmDeleteDescriptionI18nKey: TID;
   deleteLabelI18nKey: TID;
   urlInputPlaceholder: string;
@@ -64,8 +61,8 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
   namesToExclude,
   urlsToExclude,
   activeI18nKey,
-  titleI18nKey,
-  confirmDeleteTitleI18nKey,
+  titleI18nKeyBase,
+  confirmDeleteTitleI18nKeyBase,
   confirmDeleteDescriptionI18nKey,
   deleteLabelI18nKey,
   urlInputPlaceholder,
@@ -82,7 +79,7 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
     mode: 'onChange'
   });
   const { control, register, handleSubmit, formState } = formReturn;
-  const { errors, submitCount } = formState;
+  const { errors, submitCount, isSubmitting } = formState;
   const isSubmitted = submitCount > 0;
   const displayedName = entity.nameI18nKey ? t(entity.nameI18nKey) : entity.name;
 
@@ -107,7 +104,12 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
 
   return (
     <>
-      <PageModal opened onRequestClose={onClose} title={t(titleI18nKey, displayedName)}>
+      <PageModal
+        headerClassName="flex justify-center truncate"
+        opened
+        onRequestClose={onClose}
+        title={<ShortenedEntityNameActionTitle entityName={displayedName} i18nKeyBase={titleI18nKeyBase} />}
+      >
         <form onSubmit={handleSubmit(onSubmit)} className="flex-1 flex flex-col max-h-full">
           <ScrollView
             className="pt-4 pb-6 gap-4"
@@ -118,7 +120,7 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
               <SettingsCell cellName={<T id={activeI18nKey} />} Component="div">
                 <Controller
                   control={control}
-                  disabled={!canChangeActiveState}
+                  disabled={!canChangeActiveState || isSubmitting}
                   name="isActive"
                   render={({ field }) => <ToggleSwitch {...field} checked={field.value} testID={activeSwitchTestID} />}
                 />
@@ -136,11 +138,12 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
               id="editurlentity-name"
               placeholder="Ethereum"
               errorCaption={isSubmitted && errors.name?.message}
-              disabled={!isEditable}
+              disabled={!isEditable || isSubmitting}
               testID={ChainSettingsSelectors.nameInput}
             />
 
             <UrlInput
+              disabled={isSubmitting}
               formReturn={formReturn}
               urlsToExclude={urlsToExclude}
               isEditable={isEditable}
@@ -171,6 +174,7 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
               size="L"
               color="primary"
               type="submit"
+              loading={isSubmitting}
               disabled={shouldDisableSubmitButton({ errors, formState, otherErrors: [submitError] })}
               testID={ChainSettingsSelectors.saveButton}
             >
@@ -181,10 +185,11 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
       </PageModal>
 
       {removeModalIsOpen && (
-        <ActionModal
+        <ShortenedEntityNameActionModal
+          titleI18nKeyBase={confirmDeleteTitleI18nKeyBase}
+          entityName={displayedName}
           hasCloseButton={false}
           onClose={closeRemoveModal}
-          title={t(confirmDeleteTitleI18nKey, displayedName)}
         >
           <ActionModalBodyContainer>
             <p className="py-1 text-center text-font-description text-grey-1">
@@ -210,7 +215,7 @@ export const EditUrlEntityModal = <T extends UrlEntityBase>({
               <T id="delete" />
             </ActionModalButton>
           </ActionModalButtonsContainer>
-        </ActionModal>
+        </ShortenedEntityNameActionModal>
       )}
     </>
   );
diff --git a/src/app/pages/ChainSettings/manage-url-entities-view/index.tsx b/src/app/pages/ChainSettings/manage-url-entities-view/index.tsx
index b803f8486..3049caf4e 100644
--- a/src/app/pages/ChainSettings/manage-url-entities-view/index.tsx
+++ b/src/app/pages/ChainSettings/manage-url-entities-view/index.tsx
@@ -18,9 +18,9 @@ interface ManageUrlEntitiesViewProps<T> {
   title: ReactNode;
   items: T[];
   activeItemId: string;
-  editModalTitleI18nKey: TID;
+  editModalTitleI18nKeyBase: 'editSomeRpc' | 'editSomeBlockExplorer';
   activeI18nKey: TID;
-  confirmDeleteTitleI18nKey: TID;
+  confirmDeleteTitleI18nKeyBase: 'confirmDeleteRpcTitle' | 'confirmDeleteBlockExplorerTitle';
   confirmDeleteDescriptionI18nKey: TID;
   deleteLabelI18nKey: TID;
   successfullyAddedMessageI18nKey: TID;
@@ -40,9 +40,9 @@ export const ManageUrlEntitiesView = <T extends UrlEntityBase>({
   title,
   items,
   activeItemId,
-  editModalTitleI18nKey,
+  editModalTitleI18nKeyBase,
   activeI18nKey,
-  confirmDeleteTitleI18nKey,
+  confirmDeleteTitleI18nKeyBase,
   confirmDeleteDescriptionI18nKey,
   deleteLabelI18nKey,
   successfullyAddedMessageI18nKey,
@@ -95,7 +95,8 @@ export const ManageUrlEntitiesView = <T extends UrlEntityBase>({
       <SettingsCellGroup className="overflow-hidden">
         <SettingsCell
           isLast={false}
-          cellName={<span className="text-font-description-bold">{title}</span>}
+          cellName={<span className="text-font-description-bold flex-1">{title}</span>}
+          wrapCellName={false}
           Component="div"
         >
           <Button onClick={openCreateModal} testID={addButtonTestID}>
@@ -117,8 +118,8 @@ export const ManageUrlEntitiesView = <T extends UrlEntityBase>({
       {entityToEdit && (
         <EditUrlEntityModal
           activeI18nKey={activeI18nKey}
-          titleI18nKey={editModalTitleI18nKey}
-          confirmDeleteTitleI18nKey={confirmDeleteTitleI18nKey}
+          titleI18nKeyBase={editModalTitleI18nKeyBase}
+          confirmDeleteTitleI18nKeyBase={confirmDeleteTitleI18nKeyBase}
           confirmDeleteDescriptionI18nKey={confirmDeleteDescriptionI18nKey}
           deleteLabelI18nKey={deleteLabelI18nKey}
           urlInputPlaceholder={urlInputPlaceholder}
diff --git a/src/app/pages/ChainSettings/manage-url-entities-view/item.tsx b/src/app/pages/ChainSettings/manage-url-entities-view/item.tsx
index 255c767e8..09d8ab572 100644
--- a/src/app/pages/ChainSettings/manage-url-entities-view/item.tsx
+++ b/src/app/pages/ChainSettings/manage-url-entities-view/item.tsx
@@ -5,8 +5,9 @@ import clsx from 'clsx';
 import { Button, IconBase } from 'app/atoms';
 import { SettingsCell } from 'app/atoms/SettingsCell';
 import { ReactComponent as ChevronRightIcon } from 'app/icons/base/chevron_right.svg';
+import { ShortenedTextWithTooltip } from 'app/templates/shortened-text-with-tooltip';
 import { setAnotherSelector } from 'lib/analytics';
-import { T } from 'lib/i18n';
+import { T, t } from 'lib/i18n';
 
 import { UrlEntityBase } from './types';
 
@@ -25,6 +26,7 @@ export const ManageUrlEntitiesItem = <T extends UrlEntityBase>({
   onClick,
   testID
 }: ManageUrlEntitiesItemProps<T>) => {
+  const { name, nameI18nKey } = item;
   const handleClick = useCallback(() => onClick(item), [item, onClick]);
 
   const url = getEntityUrl(item);
@@ -33,11 +35,14 @@ export const ManageUrlEntitiesItem = <T extends UrlEntityBase>({
     <SettingsCell
       Component={Button}
       cellName={
-        <div className="flex flex-col gap-0.5 text-left font-normal">
-          <span className="text-font-description">{item.nameI18nKey ? <T id={item.nameI18nKey} /> : item.name}</span>
-          <span className="text-font-small text-grey-1">{url}</span>
+        <div className="flex flex-1 flex-col gap-0.5 text-left font-normal truncate">
+          <ShortenedTextWithTooltip className="text-font-description">
+            {nameI18nKey ? t(nameI18nKey) : name}
+          </ShortenedTextWithTooltip>
+          <ShortenedTextWithTooltip className="text-font-small text-grey-1">{url}</ShortenedTextWithTooltip>
         </div>
       }
+      wrapCellName={false}
       className="hover:bg-secondary-low"
       onClick={handleClick}
       testID={testID}
diff --git a/src/app/pages/ChainSettings/manage-url-entities-view/url-input.tsx b/src/app/pages/ChainSettings/manage-url-entities-view/url-input.tsx
index ccd099f59..434641bac 100644
--- a/src/app/pages/ChainSettings/manage-url-entities-view/url-input.tsx
+++ b/src/app/pages/ChainSettings/manage-url-entities-view/url-input.tsx
@@ -9,6 +9,7 @@ import { ChainSettingsSelectors } from '../selectors';
 interface UrlInputProps<T extends { url: string }> {
   formReturn: UseFormReturn<T>;
   urlsToExclude: string[];
+  disabled: boolean;
   isEditable: boolean;
   id: string;
   placeholder: string;
@@ -19,6 +20,7 @@ interface UrlInputProps<T extends { url: string }> {
 export const UrlInput = <T extends { url: string }>({
   formReturn,
   urlsToExclude,
+  disabled,
   isEditable,
   id,
   placeholder,
@@ -31,6 +33,7 @@ export const UrlInput = <T extends { url: string }>({
     formReturn={formReturn}
     urlsToExclude={urlsToExclude}
     isEditable={isEditable}
+    disabled={disabled}
     id={id}
     placeholder={placeholder}
     submitError={submitError}
diff --git a/src/app/pages/ChainSettings/shortened-entity-name-action-modal.tsx b/src/app/pages/ChainSettings/shortened-entity-name-action-modal.tsx
new file mode 100644
index 000000000..9ddb82f96
--- /dev/null
+++ b/src/app/pages/ChainSettings/shortened-entity-name-action-modal.tsx
@@ -0,0 +1,20 @@
+import React, { ReactNode, memo } from 'react';
+
+import { ActionModal, ActionModalProps } from 'app/atoms/action-modal';
+
+import { ShortenedEntityNameActionTitle } from './shortened-entity-name-action-title';
+
+interface ShortenedEntityNameActionModalProps extends Omit<ActionModalProps, 'headerClassName' | 'title'> {
+  titleI18nKeyBase: 'removeNetworkModalTitle' | 'confirmDeleteRpcTitle' | 'confirmDeleteBlockExplorerTitle';
+  entityName: ReactNode;
+}
+
+export const ShortenedEntityNameActionModal = memo<ShortenedEntityNameActionModalProps>(
+  ({ titleI18nKeyBase, entityName, ...restProps }) => (
+    <ActionModal
+      headerClassName="flex justify-center"
+      title={<ShortenedEntityNameActionTitle i18nKeyBase={titleI18nKeyBase} entityName={entityName} />}
+      {...restProps}
+    />
+  )
+);
diff --git a/src/app/pages/ChainSettings/shortened-entity-name-action-title.tsx b/src/app/pages/ChainSettings/shortened-entity-name-action-title.tsx
new file mode 100644
index 000000000..4c1cc912f
--- /dev/null
+++ b/src/app/pages/ChainSettings/shortened-entity-name-action-title.tsx
@@ -0,0 +1,27 @@
+import React, { ReactNode, memo } from 'react';
+
+import { T } from 'lib/i18n';
+
+export interface ShortenedEntityNameActionTitleProps {
+  i18nKeyBase:
+    | 'removeNetworkModalTitle'
+    | 'confirmDeleteRpcTitle'
+    | 'confirmDeleteBlockExplorerTitle'
+    | 'editSomeRpc'
+    | 'editSomeBlockExplorer';
+  entityName: ReactNode;
+}
+
+export const ShortenedEntityNameActionTitle = memo<ShortenedEntityNameActionTitleProps>(
+  ({ i18nKeyBase, entityName }) => (
+    <>
+      <span className="whitespace-pre">
+        <T id={`${i18nKeyBase}LeftPart`} />
+      </span>
+      <span className="truncate">{entityName}</span>
+      <span className="whitespace-pre">
+        <T id={`${i18nKeyBase}RightPart`} />
+      </span>
+    </>
+  )
+);
diff --git a/src/app/pages/ChainSettings/use-chain-operations.ts b/src/app/pages/ChainSettings/use-chain-operations.ts
index 73011727e..1ac768cfa 100644
--- a/src/app/pages/ChainSettings/use-chain-operations.ts
+++ b/src/app/pages/ChainSettings/use-chain-operations.ts
@@ -116,7 +116,9 @@ export const useChainOperations = (chainKind: TempleChainKind, chainId: string |
     async (rpc: StoredTezosNetwork | StoredEvmNetwork, { name, url, isActive }: EditUrlEntityModalFormValues) => {
       const wasActive = rpc.id === activeRpcId;
       try {
-        await assertRpcChainId(url);
+        if (url !== rpc.rpcBaseURL) {
+          await assertRpcChainId(url);
+        }
       } catch (e) {
         console.error(e);
         if (e instanceof ArtificialError) {
diff --git a/src/app/templates/ConfirmationModal/ConfirmationModal.tsx b/src/app/templates/ConfirmationModal/ConfirmationModal.tsx
index db5b587b5..dfa0655cb 100644
--- a/src/app/templates/ConfirmationModal/ConfirmationModal.tsx
+++ b/src/app/templates/ConfirmationModal/ConfirmationModal.tsx
@@ -2,7 +2,7 @@ import React, { ReactNode, memo } from 'react';
 
 import { ActionModal, ActionModalButton, ActionModalButtonsContainer, ActionModalProps } from 'app/atoms/action-modal';
 import { T } from 'lib/i18n';
-import { StyledButtonColor } from 'lib/ui/button-like-styles';
+import { StyledButtonColor } from 'lib/ui/use-styled-button-or-link-props';
 
 import { DialogBody } from '../DialogBody';
 
diff --git a/src/app/templates/NetworksSettings/add-network-modal/index.tsx b/src/app/templates/NetworksSettings/add-network-modal/index.tsx
index 057ec0118..35b6481ed 100644
--- a/src/app/templates/NetworksSettings/add-network-modal/index.tsx
+++ b/src/app/templates/NetworksSettings/add-network-modal/index.tsx
@@ -149,6 +149,7 @@ export const AddNetworkModal = memo<AddNetworkModalProps>(({ isOpen, onClose })
                 name="rpcUrl"
                 label="RPC URL"
                 formReturn={formReturn}
+                disabled={isSubmitting}
                 urlsToExclude={rpcUrlsToExclude}
                 isEditable
                 id="add-network-rpc-url"
@@ -169,6 +170,7 @@ export const AddNetworkModal = memo<AddNetworkModalProps>(({ isOpen, onClose })
                   onChange: resetSubmitError
                 })}
                 cleanable={Boolean(chainId)}
+                disabled={isSubmitting}
                 onClean={clearChainId}
                 labelContainerClassName="w-full flex justify-between items-center"
                 label={
@@ -194,6 +196,7 @@ export const AddNetworkModal = memo<AddNetworkModalProps>(({ isOpen, onClose })
               <FormField
                 {...register('symbol', { required: t('required') })}
                 cleanable={Boolean(symbol)}
+                disabled={isSubmitting}
                 onClean={clearSymbol}
                 label={<T id="symbol" />}
                 placeholder="ETH"
@@ -204,6 +207,7 @@ export const AddNetworkModal = memo<AddNetworkModalProps>(({ isOpen, onClose })
 
             <div className="flex flex-col gap-8">
               <UrlInput
+                disabled={isSubmitting}
                 name="explorerUrl"
                 label={<T id="blockExplorerUrl" />}
                 formReturn={formReturn}
@@ -226,6 +230,7 @@ export const AddNetworkModal = memo<AddNetworkModalProps>(({ isOpen, onClose })
                   <SettingsCheckbox
                     {...field}
                     checked={field.value}
+                    disabled={isSubmitting}
                     label={<T id="testnet" />}
                     testID={NetworkSettingsSelectors.testnetCheckbox}
                   />
diff --git a/src/app/templates/NetworksSettings/chains-group-view/item.tsx b/src/app/templates/NetworksSettings/chains-group-view/item.tsx
index 8bf067c0d..7c4eceb05 100644
--- a/src/app/templates/NetworksSettings/chains-group-view/item.tsx
+++ b/src/app/templates/NetworksSettings/chains-group-view/item.tsx
@@ -4,6 +4,7 @@ import { IconBase } from 'app/atoms';
 import { EvmNetworkLogo, TezosNetworkLogo } from 'app/atoms/NetworkLogo';
 import { SettingsCell } from 'app/atoms/SettingsCell';
 import { ReactComponent as ChevronRightIcon } from 'app/icons/base/chevron_right.svg';
+import { ShortenedTextWithTooltip } from 'app/templates/shortened-text-with-tooltip';
 import { setAnotherSelector } from 'lib/analytics';
 import { t } from 'lib/i18n';
 import { Link } from 'lib/woozie';
@@ -27,7 +28,12 @@ export const ChainsGroupItem = memo<ChainsGroupItemProps>(({ item, isLast }) =>
         <TezosNetworkLogo networkName={item.name} chainId={item.chainId} size={24} />
       )
     }
-    cellName={item.nameI18nKey ? t(item.nameI18nKey) : item.name}
+    cellName={
+      <ShortenedTextWithTooltip className="text-font-medium-bold flex-1">
+        {item.nameI18nKey ? t(item.nameI18nKey) : item.name}
+      </ShortenedTextWithTooltip>
+    }
+    wrapCellName={false}
     Component={Link}
     to={`/settings/networks/${item.kind}/${item.chainId}`}
     testID={NetworkSettingsSelectors.networkItem}
diff --git a/src/app/templates/NetworksSettings/filters-block.tsx b/src/app/templates/NetworksSettings/filters-block.tsx
index ce7f2820c..5d0bd2139 100644
--- a/src/app/templates/NetworksSettings/filters-block.tsx
+++ b/src/app/templates/NetworksSettings/filters-block.tsx
@@ -9,7 +9,7 @@ import { NetworkSettingsSelectors } from './selectors';
 
 interface FiltersBlockProps {
   searchValue: string;
-  isMainnetTab: boolean;
+  isTestnetTab: boolean;
   openMainnetTab: EmptyFn;
   openTestnetTab: EmptyFn;
   setSearchValue: SyncFn<string>;
@@ -17,14 +17,14 @@ interface FiltersBlockProps {
 }
 
 export const FiltersBlock = memo<FiltersBlockProps>(
-  ({ searchValue, isMainnetTab, openMainnetTab, openTestnetTab, setSearchValue, onAddNetworkClick }) => {
+  ({ searchValue, isTestnetTab, openMainnetTab, openTestnetTab, setSearchValue, onAddNetworkClick }) => {
     return (
       <div className="p-4 gap-4 flex flex-col bg-background">
         <SimpleSegmentControl
           className="w-full"
           firstTitle="Mainnet"
           secondTitle="Testnet"
-          activeSecond={!isMainnetTab}
+          activeSecond={isTestnetTab}
           onFirstClick={openMainnetTab}
           onSecondClick={openTestnetTab}
           firstButtonTestId={NetworkSettingsSelectors.mainnetTabButton}
diff --git a/src/app/templates/NetworksSettings/index.tsx b/src/app/templates/NetworksSettings/index.tsx
index 85d2e8445..ac448d319 100644
--- a/src/app/templates/NetworksSettings/index.tsx
+++ b/src/app/templates/NetworksSettings/index.tsx
@@ -1,6 +1,7 @@
 import React, { memo, useCallback, useEffect, useMemo, useState } from 'react';
 
 import { EmptyState } from 'app/atoms/EmptyState';
+import { useSearchParamsBoolean } from 'app/hooks/use-search-params-boolean';
 import { t } from 'lib/i18n';
 import { filterNetworksByName } from 'lib/ui/filter-networks-by-name';
 import { useBooleanState } from 'lib/ui/hooks';
@@ -22,7 +23,7 @@ export const NetworksSettings = memo<SettingsTabProps>(({ setHeaderChildren }) =
   const tezosChainsRecord = useAllTezosChains();
   const evmChainsRecord = useAllEvmChains();
 
-  const [isMainnetTab, openMainnetTab, openTestnetTab] = useBooleanState(true);
+  const { value: isTestnetTab, setTrue: openTestnetTab, setFalse: openMainnetTab } = useSearchParamsBoolean('testnet');
   const [isAddNetworkModalOpen, openAddNetworkModal, closeAddNetworkModal] = useBooleanState(false);
   const [searchValue, setSearchValue] = useState('');
 
@@ -38,52 +39,54 @@ export const NetworksSettings = memo<SettingsTabProps>(({ setHeaderChildren }) =
         chain =>
           (!kind || chain.kind === kind) &&
           (isDefault === undefined || isDefault === chain.default) &&
-          isMainnetTab !== isPossibleTestnetChain(chain)
+          isTestnetTab === isPossibleTestnetChain(chain)
       ),
-    [isMainnetTab, matchingChains]
+    [isTestnetTab, matchingChains]
   );
 
-  const chainsGroups = useMemo(() => {
-    const customChainsGroup = {
-      title: t('customNetworksGroup'),
-      chains: pickChains({ isDefault: false })
-    };
-
-    if (isMainnetTab) {
-      return [
-        {
-          title: t('defaultNetworksGroup'),
-          chains: pickChains({ isDefault: true })
-        },
-        customChainsGroup
-      ].filter(({ chains }) => chains.length > 0);
-    }
-
-    return [
-      {
-        title: TempleChainTitle[TempleChainKind.EVM],
-        chains: pickChains({ isDefault: true, kind: TempleChainKind.EVM })
-      },
-      {
-        title: TempleChainTitle[TempleChainKind.Tezos],
-        chains: pickChains({ isDefault: true, kind: TempleChainKind.Tezos })
-      },
-      customChainsGroup
-    ].filter(({ chains }) => chains.length > 0);
-  }, [isMainnetTab, pickChains]);
+  const chainsGroups = useMemo(
+    () =>
+      (isTestnetTab
+        ? [
+            {
+              title: t('chainTestnetsGroup', TempleChainTitle[TempleChainKind.EVM]),
+              chains: pickChains({ isDefault: true, kind: TempleChainKind.EVM })
+            },
+            {
+              title: t('chainTestnetsGroup', TempleChainTitle[TempleChainKind.Tezos]),
+              chains: pickChains({ isDefault: true, kind: TempleChainKind.Tezos })
+            },
+            {
+              title: t('customTestnetsGroup'),
+              chains: pickChains({ isDefault: false })
+            }
+          ]
+        : [
+            {
+              title: t('defaultNetworksGroup'),
+              chains: pickChains({ isDefault: true })
+            },
+            {
+              title: t('customNetworksGroup'),
+              chains: pickChains({ isDefault: false })
+            }
+          ]
+      ).filter(({ chains }) => chains.length > 0),
+    [isTestnetTab, pickChains]
+  );
 
   const headerChildren = useMemo(
     () => (
       <FiltersBlock
         searchValue={searchValue}
-        isMainnetTab={isMainnetTab}
+        isTestnetTab={isTestnetTab}
         openMainnetTab={openMainnetTab}
         openTestnetTab={openTestnetTab}
         setSearchValue={setSearchValue}
         onAddNetworkClick={openAddNetworkModal}
       />
     ),
-    [isMainnetTab, openAddNetworkModal, openMainnetTab, openTestnetTab, searchValue]
+    [isTestnetTab, openAddNetworkModal, openMainnetTab, openTestnetTab, searchValue]
   );
   useEffect(() => setHeaderChildren(headerChildren), [headerChildren, setHeaderChildren]);
   useEffect(() => {
diff --git a/src/app/templates/UrlInput.tsx b/src/app/templates/UrlInput.tsx
index 5ef5ae7c7..972d4faa7 100644
--- a/src/app/templates/UrlInput.tsx
+++ b/src/app/templates/UrlInput.tsx
@@ -17,6 +17,7 @@ interface UrlInputProps<K extends string, T extends Record<K, string>> {
   label: ReactNode;
   formReturn: UseFormReturn<T>;
   urlsToExclude: string[];
+  disabled?: boolean;
   isEditable: boolean;
   id: string;
   placeholder: string;
@@ -35,6 +36,7 @@ export const UrlInput = <K extends string, T extends Record<K, string>>({
   label,
   formReturn,
   urlsToExclude,
+  disabled,
   isEditable,
   id,
   placeholder,
@@ -126,7 +128,7 @@ export const UrlInput = <K extends string, T extends Record<K, string>>({
       textarea={textarea}
       rows={textarea ? 3 : undefined}
       errorCaption={errorCaption}
-      disabled={!isEditable}
+      disabled={!isEditable || disabled}
       testID={testID}
     />
   );
diff --git a/src/app/templates/shortened-text-with-tooltip.tsx b/src/app/templates/shortened-text-with-tooltip.tsx
new file mode 100644
index 000000000..9bfd6053d
--- /dev/null
+++ b/src/app/templates/shortened-text-with-tooltip.tsx
@@ -0,0 +1,44 @@
+import React, { HTMLAttributes, memo, useEffect, useMemo, useRef, useState } from 'react';
+
+import clsx from 'clsx';
+
+import { useRichFormatTooltip } from 'app/hooks/use-rich-format-tooltip';
+import { UseTippyOptions } from 'lib/ui/useTippy';
+import { combineRefs } from 'lib/ui/utils';
+
+interface ShortenedTextWithTooltipProps extends Omit<HTMLAttributes<HTMLSpanElement>, 'children'> {
+  children: string;
+}
+
+const tooltipWrapperFactory = () => {
+  const element = document.createElement('div');
+  element.className = 'max-w-88 break-words';
+
+  return element;
+};
+
+export const ShortenedTextWithTooltip = memo<ShortenedTextWithTooltipProps>(({ className, children, ...restProps }) => {
+  const [isTextOverflow, setIsTextOverflow] = useState(false);
+
+  const basicTippyOptions = useMemo<Omit<UseTippyOptions, 'content'>>(
+    () => ({
+      trigger: isTextOverflow ? 'mouseenter' : 'manual',
+      hideOnClick: false,
+      animation: 'shift-away-subtle'
+    }),
+    [isTextOverflow]
+  );
+  const tippyRef = useRichFormatTooltip<HTMLSpanElement>(basicTippyOptions, tooltipWrapperFactory, children);
+  const localRef = useRef<HTMLSpanElement>(null);
+
+  useEffect(() => {
+    const root = localRef.current;
+    setIsTextOverflow(root ? root.scrollWidth > root.clientWidth : false);
+  }, [localRef, children]);
+
+  return (
+    <span ref={combineRefs(tippyRef, localRef)} className={clsx('truncate', className)} {...restProps}>
+      {children}
+    </span>
+  );
+});
diff --git a/src/temple/networks.ts b/src/temple/networks.ts
index b895a6f1c..2dc8adcdb 100644
--- a/src/temple/networks.ts
+++ b/src/temple/networks.ts
@@ -78,17 +78,6 @@ export const TEZOS_DEFAULT_NETWORKS: NonEmptyArray<StoredTezosNetwork> = [
     color: '#83b300',
     default: true
   },
-  {
-    id: 'marigold-mainnet',
-    name: 'Marigold Mainnet',
-    nameI18nKey: 'marigoldMainnet',
-    chain: TempleChainKind.Tezos,
-    chainId: TempleTezosChainId.Mainnet,
-    rpcBaseURL: 'https://mainnet.tezos.marigold.dev',
-    description: 'Marigold mainnet',
-    color: '#48bb78',
-    default: true
-  },
   {
     id: 'smartpy-mainnet',
     name: 'SmartPy Mainnet',