diff --git a/README.md b/README.md
index ee2c290..dc4b037 100644
--- a/README.md
+++ b/README.md
@@ -25,7 +25,7 @@ You can include the library from either Maven Central or Jitpack.
 You can include the library in the common source set like this:
 ```kotlin
 dependencies {
-    implementation("io.github.kotlingeekdev:rhodium:1.0-beta-14")
+    implementation("io.github.kotlingeekdev:rhodium:1.0-beta-15")
 
 }
 ```
@@ -74,7 +74,7 @@ then, in your module's `build.gradle(.kts)`, you need to add:
 // build.gradle.kts
 dependencies {
     //...
-    implementation("com.github.KotlinGeekDev.Rhodium:rhodium:1.0-beta-14")
+    implementation("com.github.KotlinGeekDev.Rhodium:rhodium:1.0-beta-15")
 
 
 }
@@ -85,7 +85,7 @@ If you're including it in an Android app, you can just add:
 // app/build.gradle.kts
 dependencies {
     //...
-    implementation("com.github.KotlinGeekDev.Rhodium:rhodium-android:1.0-beta-14")
+    implementation("com.github.KotlinGeekDev.Rhodium:rhodium-android:1.0-beta-15")
 
 }
 ```
diff --git a/build.gradle.kts b/build.gradle.kts
index c7e0273..585aba7 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -31,7 +31,7 @@ allprojects {
     val isJitpack = System.getenv("JITPACK") == "true"
 
     group = "io.github.kotlingeekdev"
-    version = "1.0-beta-14"
+    version = "1.0-beta-15"
 
 
 //    val javadocJar = tasks.register<Jar>("javadocJar") {
diff --git a/rhodium-core/build.gradle.kts b/rhodium-core/build.gradle.kts
index 7716307..8d9cdb9 100644
--- a/rhodium-core/build.gradle.kts
+++ b/rhodium-core/build.gradle.kts
@@ -149,7 +149,6 @@ kotlin {
 
 
         val androidMain by getting {
-            dependsOn(commonJvmMain)
 
             dependencies {
                 implementation("androidx.appcompat:appcompat:1.7.0")
@@ -158,11 +157,11 @@ kotlin {
         }
 
         androidInstrumentedTest.configure {
-            dependsOn(commonJvmTest)
+//            dependsOn(commonJvmTest)
         }
 
         val androidUnitTest by getting {
-            dependsOn(commonJvmTest)
+//            dependsOn(commonJvmTest)
         }
 
         linuxMain.configure {
@@ -201,6 +200,7 @@ android {
         compileSdk = 34
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
     }
 
     buildTypes {
@@ -208,8 +208,18 @@ android {
             aarMetadata {
 
             }
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro"
+            )
             isMinifyEnabled = true
         }
+        debug {
+            aarMetadata {
+
+            }
+            isMinifyEnabled = false
+        }
     }
     compileOptions {
         isCoreLibraryDesugaringEnabled = false
diff --git a/rhodium-core/consumer-rules.pro b/rhodium-core/consumer-rules.pro
new file mode 100644
index 0000000..3d56318
--- /dev/null
+++ b/rhodium-core/consumer-rules.pro
@@ -0,0 +1,2 @@
+# preserve access to native classses
+-keep class fr.acinq.secp256k1.** { *; }
\ No newline at end of file
diff --git a/rhodium-core/proguard-rules.pro b/rhodium-core/proguard-rules.pro
new file mode 100644
index 0000000..1a928c7
--- /dev/null
+++ b/rhodium-core/proguard-rules.pro
@@ -0,0 +1,26 @@
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# 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 all names
+-keepnames class ** { *; }
+
+# Keep All enums
+-keep enum ** { *; }
+
+# preserve access to native classses
+-keep class fr.acinq.secp256k1.** { *; }
diff --git a/rhodium-core/src/commonMain/kotlin/rhodium/nostr/client/ClientMessage.kt b/rhodium-core/src/commonMain/kotlin/rhodium/nostr/client/ClientMessage.kt
index 98e2e80..27a4913 100644
--- a/rhodium-core/src/commonMain/kotlin/rhodium/nostr/client/ClientMessage.kt
+++ b/rhodium-core/src/commonMain/kotlin/rhodium/nostr/client/ClientMessage.kt
@@ -12,6 +12,7 @@ import kotlinx.serialization.descriptors.SerialDescriptor
 import kotlinx.serialization.encoding.Decoder
 import kotlinx.serialization.encoding.Encoder
 import kotlinx.serialization.json.*
+import rhodium.crypto.toHexString
 import rhodium.nostr.Event
 import rhodium.nostr.NostrFilter
 
@@ -114,7 +115,7 @@ open class RequestMessage(
 
     companion object {
         fun singleFilterRequest(
-            subscriptionId: String = uuid4().bytes.decodeToString().substring(0, 5),
+            subscriptionId: String = uuid4().bytes.toHexString().substring(0, 5),
             filter: NostrFilter
         ): RequestMessage {
             return RequestMessage(messageType = "REQ", subscriptionId, listOf(filter))