diff --git a/frontend/app/page.js b/frontend/app/page.js
index 5aeae13..6d1fede 100644
--- a/frontend/app/page.js
+++ b/frontend/app/page.js
@@ -115,7 +115,7 @@ export default function Home() {
                 <div className="flex justify-center items-center w-full my-5 p-10">
                     <div className="w-1/2 rounded-lg overflow-clip shadow-lg shadow-gray-500">
                         <iframe width="100%" height="315"
-                                src="https://www.youtube.com/embed/kYnA8AotiU0">
+                                src="https://www.youtube.com/embed/wbX9cpiDH70?si=g4YpuJrt10mBF9LI">
                         </iframe>
                     </div>
                     <div className="w-1/2 p-10">
diff --git a/frontend/app/post/[pid]/page.jsx b/frontend/app/post/[pid]/page.jsx
index 8b69a7e..af5be0c 100644
--- a/frontend/app/post/[pid]/page.jsx
+++ b/frontend/app/post/[pid]/page.jsx
@@ -139,10 +139,15 @@ const Layout = () => {
             ) : (post && (
                 <div className="p-5">
                     <div className="relative">
-                        <div className=" absolute right-5 items-center justify-center  flex gap-4">
-                            <img src={post.selectedChain.image} className="w-10 h-auto rounded-full overflow-clip" alt=""/>
-                            <span className="font-bold">On {post.selectedChain.name}</span>
-                        </div>
+                        {
+                            post.selectedChain?.image && (
+                                <div className=" absolute right-5 items-center justify-center  flex gap-4">
+                                    <img src={post.selectedChain.image} className="w-10 h-auto rounded-full overflow-clip"
+                                         alt=""/>
+                                    <span className="font-bold">On {post.selectedChain.name}</span>
+                                </div>
+                            )
+                        }
                         <h2 className="text-3xl  font-bold">{post.title}</h2>
                         <div className="">Reward: {reward} USD</div>
                     </div>
diff --git a/frontend/app/vote/page.jsx b/frontend/app/vote/page.jsx
index 396ecd8..07f4897 100644
--- a/frontend/app/vote/page.jsx
+++ b/frontend/app/vote/page.jsx
@@ -130,12 +130,17 @@ export default function Home() {
                                         onClick={() => handlePostClick(post.id)}
                                     >
 
-                                        <div className=" flex flex-row gap-3 items-center  absolute right-5  rounded-full overflow-clip">
-                                            <img className="w-10 h-auto" src={post.selectedChain.image} alt=""/>
-                                            <div className="text-sm">
-                                                Created on {new Date(post.date).toLocaleDateString()} at {new Date(post.date).toLocaleTimeString()}
-                                            </div>
-                                        </div>
+                                        {
+                                            post.selectedChain?.image && (
+                                                <div
+                                                    className=" flex flex-row gap-3 items-center  absolute right-5  rounded-full overflow-clip">
+                                                    <img className="w-10 h-auto" src={post.selectedChain.image} alt=""/>
+                                                    <div className="text-sm">
+                                                        Created
+                                                        on {new Date(post.date).toLocaleDateString()} at {new Date(post.date).toLocaleTimeString()}
+                                                    </div>
+                                                </div>)
+                                        }
                                         <h3 className="font-bold text-xl ">{post.title}</h3>
                                         <div className="mb-2">{post.description}</div>
                                         <div className="flex gap-2 mb-2 mt-5">
diff --git a/frontend/components/users/Posts.jsx b/frontend/components/users/Posts.jsx
index cdc4bb5..46974d4 100644
--- a/frontend/components/users/Posts.jsx
+++ b/frontend/components/users/Posts.jsx
@@ -64,10 +64,14 @@ function Page() {
                                     className="relative bg-white p-4 rounded border-1 mb-4 cursor-pointer hover:shadow-lg hover:shadow-gray-200"
                                     onClick={() => handlePostClick(post.id)}
                                 >
-                                    <div className=" absolute right-5 items-center justify-center  flex gap-4">
-                                        <img src={post.selectedChain.image}
-                                             className="w-10 h-auto rounded-full overflow-clip" alt=""/>
-                                    </div>
+                                    {
+                                        post.selectedChain?.image && (
+                                            <div className=" absolute right-5 items-center justify-center  flex gap-4">
+                                                <img src={post.selectedChain.image}
+                                                     className="w-10 h-auto rounded-full overflow-clip" alt=""/>
+                                            </div>)
+                                    }
+
                                     <h3 className="font-bold text-xl mb-2">{post.title}</h3>
                                     <div className="flex gap-2 mb-2">
                                         {post.options.map((option, i) => (