diff --git a/messages/ar.json b/messages/ar.json
index be771fa..44fab91 100644
--- a/messages/ar.json
+++ b/messages/ar.json
@@ -205,6 +205,8 @@
     "rejectionReason": "السبب",
     "actionRevoke": "إلغاء الاعتماد",
     "actionApprove": "اعتماد",
+    "revokeConfirmTitle": "إلغاء اعتماد المبدع؟",
+    "revokeConfirmBody": "سيؤدي إلغاء اعتماد {name} إلى منعه من تسجيل مشاريع جديدة. هل تريد المتابعة؟",
     "toastScoresTitle": "الدرجات مكتوبة على السلسلة",
     "toastScoresMsg": "{name} أُعيد التحقق: ائتمان {credit}، أخضر {green}.",
     "toastFundTitle": "تم نشر رأس المال",
@@ -213,6 +215,7 @@
     "toastApprovedMsg": "يمكن لـ {name} تسجيل المشاريع الآن.",
     "toastRevokedTitle": "تم إلغاء اعتماد المبدع",
     "toastRevokedMsg": "لم يعد {name} قادراً على تسجيل مشاريع جديدة.",
+    "toastRevokedUndo": "تراجع",
     "panelPushTitle": "إرسال تحديث درجات",
     "panelPushHint": "يكتب قراءة Oracle جديدة في ProjectRegistry.",
     "panelFundTitle": "تمويل مشروع",
diff --git a/messages/en.json b/messages/en.json
index 4f91082..0a2f0a8 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -228,6 +228,10 @@
     "statusRejected": "Rejected",
     "rejectionReason": "Reason",
     "actionRevoke": "Revoke",
+    "revokeConfirmTitle": "Revoke creator?",
+    "revokeConfirm": "Yes, revoke",
+    "revokeConfirmBody": "Are you sure you want to revoke {name}? You can undo this action.",
+    "revokeCancel": "Cancel",
     "actionApprove": "Approve",
     "toastScoresTitle": "Scores written on-chain",
     "toastScoresMsg": "{name} re-verified: credit {credit}, green {green}.",
@@ -237,6 +241,7 @@
     "toastApprovedMsg": "{name} can now register projects.",
     "toastRevokedTitle": "Creator revoked",
     "toastRevokedMsg": "{name} can no longer register new projects.",
+    "actionUndo": "Undo",
     "panelPushTitle": "Push score update",
     "panelPushHint": "Writes a new oracle reading to the ProjectRegistry.",
     "panelFundTitle": "Fund a project",
diff --git a/messages/es.json b/messages/es.json
index 93ce671..2e77277 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -205,6 +205,10 @@
     "rejectionReason": "Motivo",
     "actionRevoke": "Revoke",
     "actionApprove": "Approve",
+    "actionConfirmRevoke": "Sí, revocar",
+    "actionCancel": "Cancelar",
+    "revokeConfirmBody": "{name} ya no podrá registrar nuevos proyectos. Esta acción puede deshacerse.",
+    "toastRevokedUndo": "Deshacer",
     "toastScoresTitle": "Scores written on-chain",
     "toastScoresMsg": "{name} re-verified: credit {credit}, green {green}.",
     "toastFundTitle": "Capital deployed",
diff --git a/messages/fr.json b/messages/fr.json
index f8a7a3d..7073d57 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -220,6 +220,15 @@
     "statusRejected": "Rejeté",
     "rejectionReason": "Raison",
     "actionRevoke": "Révoquer",
+    "revokeConfirm": "Oui, révoquer",
+    "revokeConfirmBody": "Cette action révoque l'accès du créateur au registre. Voulez-vous continuer ?",
+    "revokeCancel": "Annuler",
+    "revokeToast": "Créateur révoqué",
+    "revokeUndo": "Annuler"voquer",
+    "revokeConfirmBody": "La révocation retirera immédiatement l'accès de ce créateur. Vous pourrez annuler cette action.",
+    "revokeCancel": "Annuler",
+    "revokeToast": "Créateur révoqué",
+    "revokeUndo": "Annuler",
     "actionApprove": "Approuver",
     "toastScoresTitle": "Scores écrits sur la chaîne",
     "toastScoresMsg": "{name} re-vérifié : crédit {credit}, vert {green}.",
@@ -229,6 +238,9 @@
     "toastApprovedMsg": "{name} peut désormais enregistrer des projets.",
     "toastRevokedTitle": "Créateur révoqué",
     "toastRevokedMsg": "{name} ne peut plus enregistrer de nouveaux projets.",
+    "revokeConfirmTitle": "Révoquer ce créateur ?",
+    "revokeConfirmBody": "{name} ne pourra plus enregistrer de nouveaux projets. Vous pourrez annuler.",
+    "toastRevokedUndo": "Annuler la révocation",
     "panelPushTitle": "Envoyer une mise à jour de scores",
     "panelPushHint": "Écrit une nouvelle lecture oracle dans le ProjectRegistry.",
     "panelFundTitle": "Financer un projet",
diff --git a/src/components/Toast.tsx b/src/components/Toast.tsx
index bb79e6d..84dad7f 100644
--- a/src/components/Toast.tsx
+++ b/src/components/Toast.tsx
@@ -1,4 +1,4 @@
-'use client'
+'use client';
 
 import {
   createContext,
@@ -10,12 +10,6 @@ import {
 } from 'react'
 import { CloseIcon } from './icons'
 
-/**
- * Heliobond Toast — enters and exits from the same edge, swipe-to-dismiss in
- * spirit. Tones use an ink/semantic label + icon, never color alone. State
- * changes that matter (preview, balance) belong in aria-live regions elsewhere;
- * this is for transient confirmations.
- */
 export type ToastTone = 'neutral' | 'success' | 'error' | 'solar'
 
 export interface ToastProps {
@@ -23,12 +17,13 @@ export interface ToastProps {
   title?: string
   message?: string
   action?: ReactNode
+  undo:? () => void
   onDismiss?: () => void
   href?: string
   style?: CSSProperties
 }
 
-export function Toast({ tone = 'neutral', title, message, action, onDismiss, href, style }: ToastProps) {
+export function Toast({ tone = 'neutral', title, message, action, undo, onDismiss, href, style }: ToastProps) {
   const accents: Record<ToastTone, string> = {
     neutral: 'var(--ink)',
     success: 'var(--growth)',
@@ -37,53 +32,80 @@ export function Toast({ tone = 'neutral', title, message, action, onDismiss, hre
   }
   const accent = accents[tone] || accents.neutral
 
-  const inner = (
+  const hasActions = Boolean(action) || Boolean(undo)
+
+  const content = (
     <>
       <span
-        style={{
+        style={
           width: 4,
           alignSelf: 'stretch',
           borderRadius: 'var(--radius-pill)',
           background: accent,
           flex: '0 0 auto',
-        }}
+        }
         aria-hidden="true"
       />
-      <div style={{ flex: 1, minWidth: 0 }}>
+      <div style={ flex: 1, minWidth: 0 }>
         {title && (
           <div
-            style={{
+            style={
               fontFamily: 'var(--font-body)',
               fontWeight: 600,
               fontSize: 'var(--type-data)',
               color: 'var(--ink)',
               marginBottom: message ? 2 : 0,
-            }}
+            }
           >
             {title}
           </div>
         )}
         {message && (
           <div
-            style={{
+            style={
               fontFamily: 'var(--font-body)',
               fontSize: 'var(--type-small)',
               lineHeight: 1.45,
               color: 'var(--ink-60)',
-            }}
+            }
           >
             {message}
           </div>
         )}
-        {action && <div style={{ marginTop: 10 }}>{action}</div>}
+        {undo && (
+          <div style={ marginTop: 10 }>
+            <button
+              type="button"
+              onClick={() => {
+                undo()
+                onDismiss?.()
+              }}
+              style={
+                fontFamily: 'var(--font-body)',
+                fontWeight: 600,
+                fontSize: 'var(--type-small)',
+                color: 'var(--solar)',
+                background: 'transparent',
+                border: 'none',
+                padding: 0,
+                cursor: 'pointer',
+                textDecoration: 'underline',
+              }
+            >
+              Undo
+            </button>
+          </div>
+        )}
+        {action && <div style={ marginTop: 10 }>{action}</div>}
       </div>
     </>
   )
 
   return (
     <div
-      role="status"
-      style={{
+      role={hasActions ? 'alertdialog' : 'status'}
+      aria-label={hasActions ? (title || message) : undefined}
+      style={
         display: 'flex',
         alignItems: 'flex-start',
         gap: 12,
@@ -95,12 +117,12 @@ export function Toast({ tone = 'neutral', title, message, action, onDismiss, hre
         borderRadius: 'var(--radius-card)',
         boxShadow: 'var(--shadow-md)',
         ...style,
-      }}
+      }
     >
-      {href ? (
+      {href && !hasActions ? (
         <a
           href={href}
-          style={{
+          style={
             display: 'flex',
             alignItems: 'flex-start',
             gap: 12,
@@ -108,19 +130,19 @@ export function Toast({ tone = 'neutral', title, message, action, onDismiss, hre
             minWidth: 0,
             textDecoration: 'none',
             color: 'inherit',
-          }}
+          }
         >
-          {inner}
+          {content}
         </a>
       ) : (
-        inner
+        content
       )}
       {onDismiss && (
         <button
           type="button"
           aria-label="Dismiss"
           onClick={onDismiss}
-          style={{
+          style={
             flex: '0 0 auto',
             width: 28,
             height: 28,
@@ -132,7 +154,7 @@ export function Toast({ tone = 'neutral', title, message, action, onDismiss, hre
             display: 'inline-flex',
             alignItems: 'center',
             justifyContent: 'center',
-          }}
+          }
         >
           <CloseIcon />
         </button>
@@ -148,7 +170,7 @@ export interface ToastContextType {
 
 const ToastContext = createContext<ToastContextType | null>(null)
 
-const MAX_ACTIVE_TOASTS = 3
+const MAX_ACTIVE_TOACTS = 3
 
 export function ToastProvider({ children }: { children: ReactNode }) {
   const [activeToasts, setActiveToasts] = useState<
@@ -158,16 +180,17 @@ export function ToastProvider({ children }: { children: ReactNode }) {
   const showToast = useCallback(
     (options: Omit<ToastProps, 'onDismiss'> & { duration?: number }) => {
       const id = Math.random().toString(36).substring(2, 9)
+      const hasActions = Boolean(options.action) || Boolean(options.undo)
+      const duration = options.duration ?? (hasDctions ? 0 : 5000)
       setActiveToasts((prev) => {
-        const next = [...prev, { ...options, id }]
-        return next.length > MAX_ACTIVE_TOASTS ? next.slice(next.length - MAX_ACTIVE_TOASTS) : next
+        const next = [...prev, { ...options, id, duration }]
+        return next.length > MAX_ACTIVE_TOACTS ? next.slice(next.length - MAX_ACTIVE_TOACTS) : next
       })
 
-      const ms = options.duration ?? 5000
-      if (ms > 0) {
+      if (duration > 0) {
         setTimeout(() => {
           setActiveToasts((prev) => prev.filter((t) => t.id !== id))
-        }, ms)
+        }, duration)
       }
     },
     [],
@@ -182,36 +205,23 @@ export function ToastProvider({ children }: { children: ReactNode }) {
   }, [])
 
   return (
-    <ToastContext.Provider value={{ toast: showToast, dismiss }}>
+    <ToastContext.Provider value={ toast: showToast, dismiss }>
       {children}
       {activeToasts.length > 0 && (
-        <div
-          role="status"
-          aria-live="polite"
-          aria-atomic="true"
-          style={{
-            position: 'fixed',
-            insetInlineEnd: 24,
-            bottom: 24,
-            zIndex: 9999,
-            display: 'flex',
-            flexDirection: 'column',
-            gap: 12,
-            alignItems: 'flex-end',
-          }}
-        >
+        <div role="status" aria-live="polite" aria-atomic="true" style={ position: 'fixed', insetEnd: 24, bottom: 24, zIndex: 9999, display: 'flex', flexDirection: 'column', gap: 12, alignItems: 'flex-end' }>
           {activeToasts.map((activeToast) => (
-            <Toast
+            <Toas
               key={activeToast.id}
               tone={activeToast.tone}
               title={activeToast.title}
               message={activeToast.message}
               action={activeToast.action}
+              undo={activeToast.undo}
               href={activeToast.href}
               onDismiss={() => dismiss(activeToast.id)}
               style={activeToast.style}
             />
-          ))}
+          )}
         </div>
       )}
     </ToastContext.Provider>
@@ -224,4 +234,4 @@ export function useToast() {
     throw new Error('useToast must be used within a ToastProvider')
   }
   return context
-}
\ No newline at end of file
+}
diff --git a/src/screens/admin/AdminConsole.tsx b/src/screens/admin/AdminConsole.tsx
index 7ba6efc..d4501d2 100644
--- a/src/screens/admin/AdminConsole.tsx
+++ b/src/screens/admin/AdminConsole.tsx
@@ -69,6 +69,11 @@ export function AdminConsole() {
     status: Creator['status'],
     rejectionReason?: string,
   ) => {
+    // Revoking a creator is consequential: confirm first, then offer undo.
+    if (status === 'pending' || status === 'rejected') {
+      const c = whitelist.find((x) => x.address === address)
+      if (!window.confirm(`${t('actionRevoke')} ${c?.name ?? 'Creator'}?`)) return
+    }
     setWhitelist((list) =>
       list.map((c) =>
         c.address === address
@@ -96,6 +101,13 @@ export function AdminConsole() {
       tone: toneMap[status],
       title: titleMap[status],
       message: messageMap[status],
+      action:
+        status !== 'approved'
+          ? {
+              label: t('actionUndo'),
+              onClick: () => setCreatorStatus(address, 'approved'),
+            }
+          : undefined,
       duration: 5000,
       stackable: true,
     })