diff --git a/app/build.gradle b/app/build.gradle
index 42576a05a..caa82e49b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -25,9 +25,9 @@ android {
 
     buildTypes {
         release {
-            // TODO: Make sure all of JSON parsers work when activating these.
-            //minifyEnabled true
-            //proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+            signingConfig signingConfigs.debug
+            proguardFiles getDefaultProguardFile("proguard-android-optimize.txt"), 'proguard-rules.pro'
+            minifyEnabled true
             resValue "string", "app_name", "@string/app_name_release"
         }
         debug {
diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 5acc1b972..6c4310697 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -5,33 +5,47 @@
 # For more details, see
 #   http://developer.android.com/guide/developing/tools/proguard.html
 
-# If your project uses WebView with JS, uncomment the following
-# and specify the fully qualified class name to the JavaScript interface
-# class:
-#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
-#   public *;
-#}
-
-# Uncomment this to preserve the line number information for
-# debugging stack traces.
-#-keepattributes SourceFile,LineNumberTable
-
-# If you keep the line number information, uncomment this to
-# hide the original source file name.
-#-renamesourcefileattribute SourceFile
-# For the Secp256k1 library
+# preserve the line number information for debugging stack traces.
+-dontobfuscate
+-keepattributes LocalVariableTable
+-keepattributes LocalVariableTypeTable
+-keepattributes *Annotation*
+-keepattributes SourceFile
+-keepattributes LineNumberTable
+-keepattributes Signature
+-keepattributes Exceptions
 -keepattributes InnerClasses
+-keepattributes EnclosingMethod
+-keepattributes MethodParameters
+-keepparameternames
 
--keep class fr.acinq.secp256k1.jni.** { *; }
-# For the NostrPostr library
--keep class nostr.postr.** { *; }
+-keepdirectories libs
+
+# Keep all names
+-keepnames class ** { *; }
+
+# Keep All enums
+-keep enum ** { *; }
+
+# preserve access to native classses
+-keep class fr.acinq.secp256k1.** { *; }
+
+# GSON parsing
 -keep class com.vitorpamplona.amethyst.service.model.** { *; }
-# Json parsing
--keep class com.google.gson.reflect.** { *; }
--keep class * extends com.google.gson.reflect.TypeToken
--keep public class * implements java.lang.reflect.Type
-
--keep class com.vitorpamplona.amethyst.lnurl.** { *; }
 -keep class com.vitorpamplona.amethyst.model.** { *; }
--keep class com.vitorpamplona.amethyst.service.** { *; }
--keep class com.vitorpamplona.amethyst.ui.** { *; }
+
+# Prevent proguard from stripping interface information from TypeAdapter, TypeAdapterFactory,
+# JsonSerializer, JsonDeserializer instances (so they can be used in @JsonAdapter)
+-keep class * extends com.google.gson.TypeAdapter
+-keep class * implements com.google.gson.TypeAdapterFactory
+-keep class * implements com.google.gson.JsonSerializer
+-keep class * implements com.google.gson.JsonDeserializer
+
+# Prevent R8 from leaving Data object members always null
+-keepclassmembers,allowobfuscation class * {
+  @com.google.gson.annotations.SerializedName <fields>;
+}
+
+# Retain generic signatures of TypeToken and its subclasses with R8 version 3.0 and higher.
+-keep,allowobfuscation,allowshrinking class com.google.gson.reflect.TypeToken
+-keep,allowobfuscation,allowshrinking class * extends com.google.gson.reflect.TypeToken
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/LocalPreferences.kt b/app/src/main/java/com/vitorpamplona/amethyst/LocalPreferences.kt
index e86695edf..619053310 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/LocalPreferences.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/LocalPreferences.kt
@@ -10,7 +10,9 @@ import com.vitorpamplona.amethyst.model.Account
 import com.vitorpamplona.amethyst.model.ConnectivityType
 import com.vitorpamplona.amethyst.model.GLOBAL_FOLLOWS
 import com.vitorpamplona.amethyst.model.KIND3_FOLLOWS
+import com.vitorpamplona.amethyst.model.Nip47URI
 import com.vitorpamplona.amethyst.model.RelaySetupInfo
+import com.vitorpamplona.amethyst.model.ServersAvailable
 import com.vitorpamplona.amethyst.model.Settings
 import com.vitorpamplona.amethyst.model.hexToByteArray
 import com.vitorpamplona.amethyst.model.parseConnectivityType
@@ -22,8 +24,6 @@ import com.vitorpamplona.amethyst.service.model.Event
 import com.vitorpamplona.amethyst.service.model.Event.Companion.getRefinedEvent
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
 import com.vitorpamplona.amethyst.service.toNpub
-import com.vitorpamplona.amethyst.ui.actions.ServersAvailable
-import com.vitorpamplona.amethyst.ui.note.Nip47URI
 import fr.acinq.secp256k1.Hex
 import java.io.File
 import java.util.Locale
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt b/app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt
index 5ec995425..b8414fe03 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt
@@ -18,9 +18,7 @@ import com.vitorpamplona.amethyst.service.relays.Constants
 import com.vitorpamplona.amethyst.service.relays.FeedType
 import com.vitorpamplona.amethyst.service.relays.Relay
 import com.vitorpamplona.amethyst.service.relays.RelayPool
-import com.vitorpamplona.amethyst.ui.actions.ServersAvailable
 import com.vitorpamplona.amethyst.ui.components.BundledUpdate
-import com.vitorpamplona.amethyst.ui.note.Nip47URI
 import com.vitorpamplona.amethyst.ui.note.combineWith
 import kotlinx.collections.immutable.ImmutableSet
 import kotlinx.collections.immutable.persistentSetOf
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/model/Nip47URI.kt b/app/src/main/java/com/vitorpamplona/amethyst/model/Nip47URI.kt
new file mode 100644
index 000000000..3401a255d
--- /dev/null
+++ b/app/src/main/java/com/vitorpamplona/amethyst/model/Nip47URI.kt
@@ -0,0 +1,3 @@
+package com.vitorpamplona.amethyst.model
+
+data class Nip47URI(val pubKeyHex: HexKey, val relayUri: String?, val secret: HexKey?)
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/model/ServersAvailable.kt b/app/src/main/java/com/vitorpamplona/amethyst/model/ServersAvailable.kt
new file mode 100644
index 000000000..ea8035dbd
--- /dev/null
+++ b/app/src/main/java/com/vitorpamplona/amethyst/model/ServersAvailable.kt
@@ -0,0 +1,16 @@
+package com.vitorpamplona.amethyst.model
+
+enum class ServersAvailable {
+    // IMGUR,
+    NOSTR_BUILD,
+    NOSTRIMG,
+    NOSTRFILES_DEV,
+    NOSTRCHECK_ME,
+
+    // IMGUR_NIP_94,
+    NOSTRIMG_NIP_94,
+    NOSTR_BUILD_NIP_94,
+    NOSTRFILES_DEV_NIP_94,
+    NOSTRCHECK_ME_NIP_94,
+    NIP95
+}
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/service/Nip47.kt b/app/src/main/java/com/vitorpamplona/amethyst/service/Nip47.kt
index 17c9aa5fc..55160aeda 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/service/Nip47.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/service/Nip47.kt
@@ -1,12 +1,10 @@
 package com.vitorpamplona.amethyst.ui.note
 
 import android.net.Uri
-import com.vitorpamplona.amethyst.model.HexKey
+import com.vitorpamplona.amethyst.model.Nip47URI
 import com.vitorpamplona.amethyst.model.decodePublicKey
 import com.vitorpamplona.amethyst.model.toHexKey
 
-data class Nip47URI(val pubKeyHex: HexKey, val relayUri: String?, val secret: HexKey?)
-
 // Rename to the corect nip number when ready.
 object Nip47 {
     fun parse(uri: String): Nip47URI {
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/ImageUploader.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/ImageUploader.kt
index a949d5490..d6aa00661 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/ImageUploader.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/ImageUploader.kt
@@ -8,6 +8,7 @@ import androidx.core.net.toFile
 import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper
 import com.vitorpamplona.amethyst.BuildConfig
 import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.ServersAvailable
 import com.vitorpamplona.amethyst.service.HttpClient
 import okhttp3.*
 import okhttp3.MediaType.Companion.toMediaType
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaView.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaView.kt
index b99becd4e..98aba213b 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaView.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaView.kt
@@ -45,6 +45,7 @@ import androidx.compose.ui.window.Dialog
 import androidx.compose.ui.window.DialogProperties
 import coil.compose.AsyncImage
 import com.vitorpamplona.amethyst.R
+import com.vitorpamplona.amethyst.model.ServersAvailable
 import com.vitorpamplona.amethyst.ui.components.VideoView
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.AccountViewModel
 import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt
index 6aed33483..a1c97a294 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt
@@ -1099,21 +1099,6 @@ fun CreateButton(onPost: () -> Unit = {}, isActive: Boolean, modifier: Modifier
     }
 }
 
-enum class ServersAvailable {
-    // IMGUR,
-    NOSTR_BUILD,
-    NOSTRIMG,
-    NOSTRFILES_DEV,
-    NOSTRCHECK_ME,
-
-    // IMGUR_NIP_94,
-    NOSTRIMG_NIP_94,
-    NOSTR_BUILD_NIP_94,
-    NOSTRFILES_DEV_NIP_94,
-    NOSTRCHECK_ME_NIP_94,
-    NIP95
-}
-
 @Composable
 fun ImageVideoDescription(
     uri: Uri,
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/note/UpdateZapAmountDialog.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/note/UpdateZapAmountDialog.kt
index c037587aa..ba723e53d 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/note/UpdateZapAmountDialog.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/note/UpdateZapAmountDialog.kt
@@ -67,6 +67,7 @@ import androidx.lifecycle.ViewModelProvider
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
+import com.vitorpamplona.amethyst.model.Nip47URI
 import com.vitorpamplona.amethyst.model.decodePublicKey
 import com.vitorpamplona.amethyst.model.toHexKey
 import com.vitorpamplona.amethyst.service.model.LnZapEvent
diff --git a/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChannelScreen.kt b/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChannelScreen.kt
index 118b438e3..d2294a3f0 100644
--- a/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChannelScreen.kt
+++ b/app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChannelScreen.kt
@@ -85,6 +85,7 @@ import com.vitorpamplona.amethyst.model.LiveActivitiesChannel
 import com.vitorpamplona.amethyst.model.LocalCache
 import com.vitorpamplona.amethyst.model.Note
 import com.vitorpamplona.amethyst.model.PublicChatChannel
+import com.vitorpamplona.amethyst.model.ServersAvailable
 import com.vitorpamplona.amethyst.model.User
 import com.vitorpamplona.amethyst.service.NostrChannelDataSource
 import com.vitorpamplona.amethyst.service.model.LiveActivitiesEvent.Companion.STATUS_LIVE
@@ -94,7 +95,6 @@ import com.vitorpamplona.amethyst.ui.actions.NewChannelView
 import com.vitorpamplona.amethyst.ui.actions.NewMessageTagger
 import com.vitorpamplona.amethyst.ui.actions.NewPostViewModel
 import com.vitorpamplona.amethyst.ui.actions.PostButton
-import com.vitorpamplona.amethyst.ui.actions.ServersAvailable
 import com.vitorpamplona.amethyst.ui.actions.UploadFromGallery
 import com.vitorpamplona.amethyst.ui.actions.toImmutableListOfLists
 import com.vitorpamplona.amethyst.ui.components.LoadNote