diff --git a/composeApp/src/androidMain/composeResources/drawable/ic_block.xml b/composeApp/src/androidMain/composeResources/drawable/ic_block.xml
new file mode 100644
index 0000000..137fd90
--- /dev/null
+++ b/composeApp/src/androidMain/composeResources/drawable/ic_block.xml
@@ -0,0 +1,10 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M324,848.5Q251,817 197,763Q143,709 111.5,636Q80,563 80,480Q80,397 111.5,324Q143,251 197,197Q251,143 324,111.5Q397,80 480,80Q563,80 636,111.5Q709,143 763,197Q817,251 848.5,324Q880,397 880,480Q880,563 848.5,636Q817,709 763,763Q709,817 636,848.5Q563,880 480,880Q397,880 324,848.5ZM480,800Q534,800 584,782.5Q634,765 676,732L228,284Q195,326 177.5,376Q160,426 160,480Q160,614 253,707Q346,800 480,800ZM732,676Q765,634 782.5,584Q800,534 800,480Q800,346 707,253Q614,160 480,160Q426,160 376,177.5Q326,195 284,228L732,676ZM480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Z" />
+</vector>
diff --git a/composeApp/src/androidMain/composeResources/drawable/ic_cancel.xml b/composeApp/src/androidMain/composeResources/drawable/ic_cancel.xml
new file mode 100644
index 0000000..e12530b
--- /dev/null
+++ b/composeApp/src/androidMain/composeResources/drawable/ic_cancel.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M336,680L480,536L624,680L680,624L536,480L680,336L624,280L480,424L336,280L280,336L424,480L280,624L336,680ZM480,880Q397,880 324,848.5Q251,817 197,763Q143,709 111.5,636Q80,563 80,480Q80,397 111.5,324Q143,251 197,197Q251,143 324,111.5Q397,80 480,80Q563,80 636,111.5Q709,143 763,197Q817,251 848.5,324Q880,397 880,480Q880,563 848.5,636Q817,709 763,763Q709,817 636,848.5Q563,880 480,880ZM480,800Q614,800 707,707Q800,614 800,480Q800,346 707,253Q614,160 480,160Q346,160 253,253Q160,346 160,480Q160,614 253,707Q346,800 480,800ZM480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Z" />
+</vector>
diff --git a/composeApp/src/androidMain/composeResources/drawable/ic_check_circle.xml b/composeApp/src/androidMain/composeResources/drawable/ic_check_circle.xml
new file mode 100644
index 0000000..a247a73
--- /dev/null
+++ b/composeApp/src/androidMain/composeResources/drawable/ic_check_circle.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M424,664L706,382L650,326L424,552L310,438L254,494L424,664ZM480,880Q397,880 324,848.5Q251,817 197,763Q143,709 111.5,636Q80,563 80,480Q80,397 111.5,324Q143,251 197,197Q251,143 324,111.5Q397,80 480,80Q563,80 636,111.5Q709,143 763,197Q817,251 848.5,324Q880,397 880,480Q880,563 848.5,636Q817,709 763,763Q709,817 636,848.5Q563,880 480,880ZM480,800Q614,800 707,707Q800,614 800,480Q800,346 707,253Q614,160 480,160Q346,160 253,253Q160,346 160,480Q160,614 253,707Q346,800 480,800ZM480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Q480,480 480,480Z" />
+</vector>
diff --git a/composeApp/src/androidMain/composeResources/drawable/ic_warning.xml b/composeApp/src/androidMain/composeResources/drawable/ic_warning.xml
new file mode 100644
index 0000000..08484c4
--- /dev/null
+++ b/composeApp/src/androidMain/composeResources/drawable/ic_warning.xml
@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="960"
+    android:viewportHeight="960">
+    <path
+        android:fillColor="#000000"
+        android:pathData="M330,840L120,630L120,330L330,120L630,120L840,330L840,630L630,840L330,840ZM366,650L480,536L594,650L650,594L536,480L650,366L594,310L480,424L366,310L310,366L424,480L310,594L366,650ZM364,760L596,760L760,596L760,364L596,200L364,200L200,364L200,596L364,760ZM480,480L480,480L480,480L480,480L480,480L480,480L480,480L480,480Z" />
+</vector>
diff --git a/composeApp/src/androidMain/kotlin/su/reya/coop/screens/ChatScreen.kt b/composeApp/src/androidMain/kotlin/su/reya/coop/screens/ChatScreen.kt
index acd38ec..fde4acf 100644
--- a/composeApp/src/androidMain/kotlin/su/reya/coop/screens/ChatScreen.kt
+++ b/composeApp/src/androidMain/kotlin/su/reya/coop/screens/ChatScreen.kt
@@ -23,6 +23,7 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Badge
 import androidx.compose.material3.BadgedBox
 import androidx.compose.material3.Button
+import androidx.compose.material3.ExperimentalMaterial3ExpressiveApi
 import androidx.compose.material3.FilledTonalButton
 import androidx.compose.material3.FilledTonalIconButton
 import androidx.compose.material3.Icon
@@ -31,7 +32,6 @@ import androidx.compose.material3.IconButtonDefaults
 import androidx.compose.material3.LoadingIndicator
 import androidx.compose.material3.MaterialShapes
 import androidx.compose.material3.MaterialTheme
-import androidx.compose.material3.OutlinedCard
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.SnackbarHost
 import androidx.compose.material3.Surface
@@ -60,6 +60,8 @@ import androidx.compose.ui.unit.dp
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import coop.composeapp.generated.resources.Res
 import coop.composeapp.generated.resources.ic_arrow_back
+import coop.composeapp.generated.resources.ic_cancel
+import coop.composeapp.generated.resources.ic_check_circle
 import coop.composeapp.generated.resources.ic_send
 import kotlinx.coroutines.launch
 import org.jetbrains.compose.resources.painterResource
@@ -72,10 +74,13 @@ import su.reya.coop.LocalSnackbarHostState
 import su.reya.coop.Room
 import su.reya.coop.Screen
 import su.reya.coop.formatAsGroupHeader
+import su.reya.coop.humanReadable
 import su.reya.coop.roomId
 import su.reya.coop.shared.Avatar
+import su.reya.coop.shared.getExpressiveFontFamily
 import su.reya.coop.shared.nameFlow
 import su.reya.coop.shared.pictureFlow
+import su.reya.coop.short
 
 @Composable
 fun ChatScreen(id: Long, screening: Boolean = false) {
@@ -275,11 +280,13 @@ fun ChatScreen(id: Long, screening: Boolean = false) {
                     when (requireScreening) {
                         true -> {
                             Row(
-                                modifier = Modifier.fillMaxWidth(),
+                                modifier = Modifier
+                                    .fillMaxWidth()
+                                    .padding(16.dp),
                                 horizontalArrangement = Arrangement.spacedBy(8.dp),
                             ) {
-                                FilledTonalButton(
-                                    onClick = { navigator.navigate(Screen.Home) },
+                                Button(
+                                    onClick = { navigator.goBack() },
                                     modifier = Modifier.weight(1f)
                                 ) {
                                     Text(
@@ -287,7 +294,7 @@ fun ChatScreen(id: Long, screening: Boolean = false) {
                                         style = MaterialTheme.typography.titleMedium,
                                     )
                                 }
-                                Button(
+                                FilledTonalButton(
                                     onClick = { requireScreening = false },
                                     modifier = Modifier.weight(1f)
                                 ) {
@@ -316,6 +323,7 @@ fun ChatScreen(id: Long, screening: Boolean = false) {
     )
 }
 
+@OptIn(ExperimentalMaterial3ExpressiveApi::class)
 @Composable
 fun ScreenerCard(room: Room) {
     val pubkey = room.members.firstOrNull() ?: return
@@ -334,7 +342,7 @@ fun ScreenerCard(room: Room) {
     val displayName = profile?.displayName ?: profile?.name ?: "No name"
     val picture = profile?.picture
 
-    LaunchedEffect(Unit) {
+    LaunchedEffect(pubkey) {
         scope.launch {
             // Check contact
             viewModel.verifyContact(pubkey).let { isContact = it }
@@ -345,55 +353,95 @@ fun ScreenerCard(room: Room) {
         }
     }
 
-    OutlinedCard(
-        modifier = Modifier.padding(16.dp)
+    Column(
+        modifier = Modifier
+            .fillMaxWidth()
+            .padding(horizontal = 16.dp)
+            .padding(top = 48.dp),
+        verticalArrangement = Arrangement.spacedBy(8.dp),
     ) {
         Column(
             modifier = Modifier.fillMaxWidth(),
-            verticalArrangement = Arrangement.spacedBy(16.dp),
+            verticalArrangement = Arrangement.spacedBy(8.dp),
             horizontalAlignment = Alignment.CenterHorizontally,
         ) {
             Avatar(
                 picture = picture,
                 description = "Profile picture",
-                modifier = Modifier.size(48.dp),
+                modifier = Modifier.size(120.dp),
                 shape = MaterialShapes.Cookie12Sided.toShape(),
             )
-            Text(
-                text = displayName,
-                textAlign = TextAlign.Center,
-                style = MaterialTheme.typography.titleMediumEmphasized,
-            )
+            Column(
+                verticalArrangement = Arrangement.spacedBy(4.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+            ) {
+                Text(
+                    text = displayName,
+                    textAlign = TextAlign.Center,
+                    style = MaterialTheme.typography.titleLargeEmphasized.copy(
+                        fontFamily = getExpressiveFontFamily()
+                    ),
+                )
+                Text(
+                    text = pubkey.short(),
+                    textAlign = TextAlign.Center,
+                    style = MaterialTheme.typography.labelMedium,
+                    color = MaterialTheme.colorScheme.outline
+                )
+            }
         }
         Column(
             modifier = Modifier.fillMaxWidth(),
-            verticalArrangement = Arrangement.spacedBy(8.dp),
+            verticalArrangement = Arrangement.spacedBy(4.dp),
         ) {
             Row(
                 modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
                 horizontalArrangement = Arrangement.spacedBy(8.dp),
             ) {
+                Icon(
+                    painter = painterResource(
+                        if (isContact) Res.drawable.ic_check_circle else Res.drawable.ic_cancel
+                    ),
+                    contentDescription = "Warning",
+                    tint = if (isContact) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
+                )
                 Text(
                     text = if (isContact) "Contact" else "Not a contact",
+                    style = MaterialTheme.typography.labelMediumEmphasized
                 )
             }
             Row(
                 modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
                 horizontalArrangement = Arrangement.spacedBy(8.dp),
             ) {
+                Icon(
+                    painter = painterResource(
+                        if (mutualContacts.isNotEmpty()) Res.drawable.ic_check_circle else Res.drawable.ic_cancel
+                    ),
+                    contentDescription = "Warning",
+                    tint = if (mutualContacts.isNotEmpty()) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.error
+                )
                 Text(
                     text = if (mutualContacts.isEmpty()) "No contacts in common" else "${mutualContacts.size} contacts in common",
+                    style = MaterialTheme.typography.labelMediumEmphasized
                 )
             }
-            lastActivity?.toHumanDatetime()?.let {
-                Row(
-                    modifier = Modifier.fillMaxWidth(),
-                    horizontalArrangement = Arrangement.spacedBy(8.dp),
-                ) {
-                    Text(
-                        text = "Last activity: $it"
-                    )
-                }
+            Row(
+                modifier = Modifier.fillMaxWidth(),
+                verticalAlignment = Alignment.CenterVertically,
+                horizontalArrangement = Arrangement.spacedBy(8.dp),
+            ) {
+                Icon(
+                    painter = painterResource(Res.drawable.ic_check_circle),
+                    contentDescription = "Warning",
+                    tint = if (lastActivity != null) MaterialTheme.colorScheme.primary else MaterialTheme.colorScheme.outline
+                )
+                Text(
+                    text = if (lastActivity == null) "Don't have any public activities" else "Last activity at ${lastActivity?.humanReadable()}",
+                    style = MaterialTheme.typography.labelMediumEmphasized
+                )
             }
         }
     }
diff --git a/shared/src/commonMain/kotlin/su/reya/coop/Nostr.kt b/shared/src/commonMain/kotlin/su/reya/coop/Nostr.kt
index 0aca391..0ef6116 100644
--- a/shared/src/commonMain/kotlin/su/reya/coop/Nostr.kt
+++ b/shared/src/commonMain/kotlin/su/reya/coop/Nostr.kt
@@ -992,8 +992,11 @@ class Nostr {
 
     suspend fun verifyContact(pubkey: PublicKey): Boolean {
         try {
+            val currentUser =
+                signer.getPublicKeyAsync() ?: throw IllegalStateException("User not signed in")
+            
             val kind = Kind.fromStd(KindStandard.CONTACT_LIST)
-            val filter = Filter().kind(kind).author(pubkey).limit(1u)
+            val filter = Filter().kind(kind).author(currentUser).limit(1u)
 
             val events = client?.database()?.query(filter)
             val pubkeys = events?.first()?.tags()?.publicKeys() ?: listOf()