diff --git a/src/app/settings/__tests__/page.test.tsx b/src/app/settings/__tests__/page.test.tsx
new file mode 100644
index 00000000..8e1430fc
--- /dev/null
+++ b/src/app/settings/__tests__/page.test.tsx
@@ -0,0 +1,32 @@
+import { render, screen, fireEvent, waitFor } from '@testing-library/react';
+import SettingsPage from '@/app/settings/page';
+import '@testing-library/jest-dom';
+
+// Mock the useUnsavedChangesGuard hook to control isDirty state.
+jest.mock('@/hooks/useUnsavedChangesGuard', () => ({
+  useUnsavedChangesGuard: jest.fn(() => ({ isDirty: false, resetBaseline: jest.fn() })),
+}));
+
+describe('SettingsPage unsaved changes UI', () => {
+  test('shows unsaved changes badge when dirty', async () => {
+    // Re-mock to return dirty after toggling.
+    const mockReset = jest.fn();
+    const useUnsavedChangesGuard = require('@/hooks/useUnsavedChangesGuard').useUnsavedChangesGuard;
+    useUnsavedChangesGuard.mockImplementation(() => ({ isDirty: true, resetBaseline: mockReset }));
+
+    render(<SettingsPage />);
+    // The badge should be visible.
+    expect(screen.getByText('Unsaved changes')).toBeInTheDocument();
+    // Save button should be enabled.
+    const saveBtn = screen.getByRole('button', { name: /Save Preferences/i });
+    expect(saveBtn).toBeEnabled();
+  });
+
+  test('disables Save button when no changes', () => {
+    const useUnsavedChangesGuard = require('@/hooks/useUnsavedChangesGuard').useUnsavedChangesGuard;
+    useUnsavedChangesGuard.mockImplementation(() => ({ isDirty: false, resetBaseline: jest.fn() }));
+    render(<SettingsPage />);
+    const saveBtn = screen.getByRole('button', { name: /Save Preferences/i });
+    expect(saveBtn).toBeDisabled();
+  });
+});
diff --git a/src/app/settings/page.tsx b/src/app/settings/page.tsx
index 4c313398..55b5cdf2 100644
--- a/src/app/settings/page.tsx
+++ b/src/app/settings/page.tsx
@@ -3,6 +3,7 @@
 import React, { useState } from 'react'
 import { NotificationSection } from '@/components/settings/NotificationSection'
 import { NotificationToggle } from '@/components/settings/NotificationToggle'
+import { useUnsavedChangesGuard } from '@/hooks/useUnsavedChangesGuard';
 import { AppShellLayout } from '@/components/shell/AppShellLayout'
 import { AccountWalletSection } from '@/components/settings/AccountWalletSection'
 import { 
@@ -28,6 +29,7 @@ export default function SettingsPage() {
   })
 
   const [isSaving, setIsSaving] = useState(false)
+  const { isDirty, resetBaseline } = useUnsavedChangesGuard(preferences);
   const [showSuccess, setShowSuccess] = useState(false)
 
   const handleToggle = (key: keyof typeof preferences) => {
@@ -40,6 +42,7 @@ export default function SettingsPage() {
     setTimeout(() => {
       setIsSaving(false)
       setShowSuccess(true)
+      resetBaseline();
       setTimeout(() => setShowSuccess(false), 3000)
     }, 1000)
   }
@@ -69,6 +72,7 @@ export default function SettingsPage() {
           <h1 className="text-4xl font-extrabold tracking-tight sm:text-5xl mb-4 bg-gradient-to-r from-white to-white/60 bg-clip-text text-transparent">
             Settings
           </h1>
+          {isDirty && <span className="ml-2 px-2 py-1 bg-yellow-500 text-black text-sm rounded">Unsaved changes</span>}
           <p className="text-lg text-white/50 max-w-2xl leading-relaxed">
             Manage your account, wallet, and notification preferences.
           </p>
@@ -199,7 +203,7 @@ export default function SettingsPage() {
           </button>
           <button
             onClick={handleSave}
-            disabled={isSaving}
+            disabled={isSaving || !isDirty}
             className={`
               w-full sm:w-auto flex items-center justify-center gap-2 px-10 py-3.5 rounded-xl font-bold transition-all active:scale-[0.98]
               ${isSaving 
diff --git a/src/components/MarketplaceCard.tsx b/src/components/MarketplaceCard.tsx
index db664112..78fac16f 100644
--- a/src/components/MarketplaceCard.tsx
+++ b/src/components/MarketplaceCard.tsx
@@ -1,4 +1,5 @@
 "use client";
+import { ReputationDisplay } from "./ReputationDisplay";
 
 import { memo, useState } from "react";
 import { CommitmentDetailsModal } from "./modals/CommitmentDetailsModal";
@@ -10,7 +11,9 @@ export type CommitmentType = "Safe" | "Balanced" | "Aggressive";
 export interface MarketplaceCardProps {
   id: string;
   type: CommitmentType;
-  score: number;
+  score: number; // reputation score (0-100)
+  totalCommitments?: number; // optional seller total commitments
+  successRate?: number; // optional seller success rate percentage
   amount: string;
   duration: string;
   yield: string;
@@ -167,6 +170,8 @@ function MarketplaceCardComponent({
   id,
   type,
   score,
+  totalCommitments,
+  successRate,
   amount,
   duration,
   yield: apy,
@@ -222,11 +227,12 @@ function MarketplaceCardComponent({
           >
             {type}
           </span>
-          <span
-            className={`text-[12px] font-bold px-3 py-2 rounded-[10px] border border-[rgba(255,255,255,0.12)] ${scoreColorClass}`}
-          >
-            {clampedScore}%
-          </span>
+            {/* Compact reputation display */}
+            {typeof totalCommitments !== 'undefined' && typeof successRate !== 'undefined' ? (
+              <span className={`text-[12px] font-bold px-3 py-2 rounded-[10px] border border-[rgba(255,255,255,0.12)] ${scoreColorClass}`}>"{clampedScore}%"</span>
+            ) : (
+              <span className="text-[12px] font-bold px-3 py-2 rounded-[10px] border border-gray-500 text-gray-400">New seller</span>
+            )}
         </div>
       </header>
 
@@ -268,6 +274,15 @@ function MarketplaceCardComponent({
                 level={trustLevel ?? "unverified"}
                 showTooltip={false}
               />
+              {/* Render ReputationDisplay compactly when data available */}
+              {typeof totalCommitments !== 'undefined' && typeof successRate !== 'undefined' && (
+                <ReputationDisplay
+                  score={clampedScore}
+                  totalCommitments={totalCommitments}
+                  successRate={successRate}
+                  className="mt-2"
+                />
+              )}
             </dd>
           </div>
         </dl>
@@ -357,6 +372,10 @@ function MarketplaceCardComponent({
             statusVariant: "ok",
           },
         ]}
+        // Pass reputation data to modal
+        reputationScore={clampedScore}
+        totalCommitments={totalCommitments}
+        successRate={successRate}
         TypeIcon={TypeIcon}
       />
     </article>
diff --git a/src/components/modals/CommitmentDetailsModal.tsx b/src/components/modals/CommitmentDetailsModal.tsx
index 2276bbc8..5091ba61 100644
--- a/src/components/modals/CommitmentDetailsModal.tsx
+++ b/src/components/modals/CommitmentDetailsModal.tsx
@@ -31,6 +31,9 @@ interface CommitmentDetailsModalProps {
   complianceItems: ComplianceItem[];
   onSelectComplianceItem?: (id: string) => void;
   TypeIcon: React.ComponentType<{ type: "Safe" | "Balanced" | "Aggressive" }>;
+  reputationScore?: number;
+  totalCommitments?: number;
+  successRate?: number;
 }
 
 function capitalizeType(
diff --git a/src/hooks/__tests__/useUnsavedChangesGuard.test.ts b/src/hooks/__tests__/useUnsavedChangesGuard.test.ts
new file mode 100644
index 00000000..a83c3d19
--- /dev/null
+++ b/src/hooks/__tests__/useUnsavedChangesGuard.test.ts
@@ -0,0 +1,24 @@
+import { renderHook, act } from '@testing-library/react-hooks'
+import { useUnsavedChangesGuard } from '@/hooks/useUnsavedChangesGuard'
+
+test('detects dirty state and resets baseline', () => {
+  const initial = { a: 1, b: 2 }
+  const { result, rerender } = renderHook(({ state }) => useUnsavedChangesGuard(state), {
+    initialProps: { state: initial },
+  })
+
+  // initially not dirty
+  expect(result.current.isDirty).toBe(false)
+
+  // change state
+  const changed = { a: 1, b: 3 }
+  rerender({ state: changed })
+  expect(result.current.isDirty).toBe(true)
+
+  // reset baseline via resetBaseline (simulate after save)
+  act(() => {
+    result.current.resetBaseline()
+  })
+  // after reset, not dirty
+  expect(result.current.isDirty).toBe(false)
+})
diff --git a/src/hooks/useUnsavedChangesGuard.ts b/src/hooks/useUnsavedChangesGuard.ts
new file mode 100644
index 00000000..10b38e5a
--- /dev/null
+++ b/src/hooks/useUnsavedChangesGuard.ts
@@ -0,0 +1,66 @@
+import { useEffect, useRef, useState } from 'react';
+import { useRouter } from 'next/navigation';
+
+/**
+ * Hook to track dirty state of a form/object and guard against accidental navigation.
+ *
+ * @param currentState The current state object (e.g., preferences).
+ * @returns {
+ *   isDirty: boolean indicating if changes differ from baseline,
+ *   resetBaseline: () => void to set current state as new baseline (e.g., after save)
+ * }
+ */
+export function useUnsavedChangesGuard<T extends Record<string, any>>(currentState: T) {
+  const baselineRef = useRef<T>(JSON.parse(JSON.stringify(currentState)));
+  const [isDirty, setIsDirty] = useState(false);
+  const router = useRouter();
+
+  // Compare current state with baseline whenever it changes.
+  useEffect(() => {
+    const dirty = JSON.stringify(currentState) !== JSON.stringify(baselineRef.current);
+    setIsDirty(dirty);
+  }, [currentState]);
+
+  const resetBaseline = () => {
+    baselineRef.current = JSON.parse(JSON.stringify(currentState));
+    setIsDirty(false);
+  };
+
+  // Prompt on browser unload (refresh/close)
+  useEffect(() => {
+    const handler = (e: BeforeUnloadEvent) => {
+      if (isDirty) {
+        e.preventDefault();
+        e.returnValue = '';
+        return '';
+      }
+    };
+    window.addEventListener('beforeunload', handler);
+    return () => window.removeEventListener('beforeunload', handler);
+  }, [isDirty]);
+
+  // Guard against client-side navigation using Next.js router.
+  useEffect(() => {
+    const handle = (state: any) => {
+      if (isDirty) {
+        const confirmLeave = window.confirm('You have unsaved changes. Are you sure you want to leave?');
+        if (!confirmLeave) return false;
+      }
+      return true;
+    };
+    // @ts-ignore – beforePopState may be undefined in some versions.
+    if (router && typeof router.beforePopState === 'function') {
+      // @ts-ignore
+      router.beforePopState(handle);
+    }
+    return () => {
+      // @ts-ignore
+      if (router && typeof router.beforePopState === 'function') {
+        // @ts-ignore
+        router.beforePopState(() => true);
+      }
+    };
+  }, [router, isDirty]);
+
+  return { isDirty, resetBaseline };
+}