diff --git a/Plugins/BTCPayServer.Plugins.NIP05/BTCPayServer.Plugins.NIP05.csproj b/Plugins/BTCPayServer.Plugins.NIP05/BTCPayServer.Plugins.NIP05.csproj
index f83b216..c017fa9 100644
--- a/Plugins/BTCPayServer.Plugins.NIP05/BTCPayServer.Plugins.NIP05.csproj
+++ b/Plugins/BTCPayServer.Plugins.NIP05/BTCPayServer.Plugins.NIP05.csproj
@@ -11,7 +11,7 @@
     <PropertyGroup>
         <Product>Nostr NIP5</Product>
         <Description>Allows you to verify your nostr account</Description>
-        <Version>1.0.2</Version>
+        <Version>1.0.3</Version>
     </PropertyGroup>
     <!-- Plugin development properties -->
     <PropertyGroup>
@@ -37,4 +37,7 @@
     <ItemGroup>
         <Folder Include="Resources" />
     </ItemGroup>
+    <ItemGroup>
+      <PackageReference Include="NNostr.Client" Version="0.0.24" />
+    </ItemGroup>
 </Project>
diff --git a/Plugins/BTCPayServer.Plugins.NIP05/Nip5Controller.cs b/Plugins/BTCPayServer.Plugins.NIP05/Nip5Controller.cs
index 1ba2bb3..ef95760 100644
--- a/Plugins/BTCPayServer.Plugins.NIP05/Nip5Controller.cs
+++ b/Plugins/BTCPayServer.Plugins.NIP05/Nip5Controller.cs
@@ -10,6 +10,8 @@ using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Cors;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Caching.Memory;
+using NNostr.Client;
+using NNostr.Client.Protocols;
 
 namespace BTCPayServer.Plugins.NIP05;
 
@@ -54,13 +56,42 @@ public class Nip5Controller : Controller
             return RedirectToAction("Edit", new {storeId});
         }
 
+        try
+        {
+            settings.PubKey = settings.PubKey.Trim();
+            settings.PubKey = settings.PubKey.FromNIP19Npub().ToHex();
+        }
+        catch (Exception)
+        {
+            try
+            {
+                
+                var note = (NIP19.NosteProfileNote)settings.PubKey.FromNIP19Note() ;
+                settings.PubKey = note.PubKey;
+                settings.Relays = (settings.Relays ?? new string[0])?.Concat(note.Relays).ToArray();
+            }
+            catch (Exception)
+            {
+            }
+        }
+
+        try
+        {
+            NostrExtensions.ParsePubKey(settings.PubKey);
+        }
+        catch (Exception e)
+        {
+            
+            ModelState.AddModelError(nameof(settings.PubKey), "invalid public key");
+        }
+
         if (!ModelState.IsValid)
         {
             return View(settings);
         }
 
         settings.Relays = settings.Relays
-            ?.Where(s => !string.IsNullOrEmpty(s) && Uri.TryCreate(s, UriKind.Absolute, out _)).ToArray();
+            ?.Where(s => !string.IsNullOrEmpty(s) && Uri.TryCreate(s, UriKind.Absolute, out _)).Distinct().ToArray();
         var found = await Get(settings.Name.ToLowerInvariant());
         if (found.storeId is not null && storeId != found.storeId)
         {