diff --git a/lib/build.gradle b/lib/build.gradle
index f10dfeb..4a75727 100644
--- a/lib/build.gradle
+++ b/lib/build.gradle
@@ -9,7 +9,7 @@ repositories {
 dependencies {
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$versions.kotlin"
 
-    implementation "com.github.komputing:khex:0.6"
+    implementation "com.github.komputing:khex:1.0.0-RC6"
 
     implementation 'org.bouncycastle:bcprov-jdk15on:1.64'
 
@@ -20,11 +20,9 @@ dependencies {
 
     implementation "com.squareup.okhttp3:okhttp:$versions.okhttp"
 
-    implementation group: 'org.slf4j', name: 'slf4j-log4j12', version: "1.7.25"
-
     testImplementation 'org.assertj:assertj-core:3.14.0'
-    testCompile 'org.junit.jupiter:junit-jupiter-api:5.3.2'
-    testCompile 'org.junit.jupiter:junit-jupiter-params:5.3.2'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.3.2'
+    testImplementation 'org.junit.jupiter:junit-jupiter-params:5.3.2'
     testRuntime 'org.junit.jupiter:junit-jupiter-engine:5.3.2'
 
 
diff --git a/lib/src/main/kotlin/org/walletconnect/impls/MoshiPayloadAdapter.kt b/lib/src/main/kotlin/org/walletconnect/impls/MoshiPayloadAdapter.kt
index 01a317d..5cec13d 100644
--- a/lib/src/main/kotlin/org/walletconnect/impls/MoshiPayloadAdapter.kt
+++ b/lib/src/main/kotlin/org/walletconnect/impls/MoshiPayloadAdapter.kt
@@ -11,11 +11,10 @@ import org.bouncycastle.crypto.paddings.PKCS7Padding
 import org.bouncycastle.crypto.paddings.PaddedBufferedBlockCipher
 import org.bouncycastle.crypto.params.KeyParameter
 import org.bouncycastle.crypto.params.ParametersWithIV
+import org.komputing.khex.decode
+import org.komputing.khex.extensions.toNoPrefixHexString
 import org.walletconnect.Session
-import org.walletconnect.nullOnThrow
 import org.walletconnect.types.*
-import org.walleth.khex.hexToByteArray
-import org.walleth.khex.toNoPrefixHexString
 import java.security.SecureRandom
 
 class MoshiPayloadAdapter(moshi: Moshi) : Session.PayloadAdapter {
@@ -42,12 +41,12 @@ class MoshiPayloadAdapter(moshi: Moshi) : Session.PayloadAdapter {
             padding
         )
         val ivAndKey = ParametersWithIV(
-            KeyParameter(key.hexToByteArray()),
-            encryptedPayload.iv.hexToByteArray()
+            KeyParameter(decode(key)),
+            decode(encryptedPayload.iv)
         )
         aes.init(false, ivAndKey)
 
-        val encryptedData = encryptedPayload.data.hexToByteArray()
+        val encryptedData = decode(encryptedPayload.data)
         val minSize = aes.getOutputSize(encryptedData.size)
         val outBuf = ByteArray(minSize)
         var len = aes.processBytes(encryptedData, 0, encryptedData.size, outBuf, 0)
@@ -58,7 +57,7 @@ class MoshiPayloadAdapter(moshi: Moshi) : Session.PayloadAdapter {
 
     override fun prepare(data: Session.MethodCall, key: String): String {
         val bytesData = data.toBytes()
-        val hexKey = key.hexToByteArray()
+        val hexKey = decode(key)
         val iv = createRandomBytes(16)
 
         val padding = PKCS7Padding()
diff --git a/sample/app/build.gradle b/sample/app/build.gradle
index 3e74f02..9a4acef 100644
--- a/sample/app/build.gradle
+++ b/sample/app/build.gradle
@@ -51,7 +51,7 @@ dependencies {
 
     implementation "org.java-websocket:Java-WebSocket:1.4.0"
 
-    implementation "com.github.walleth:khex:0.6"
+    implementation "com.github.komputing:khex:1.0.0-RC6"
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk7:${versions.kotlin}"
 
@@ -64,4 +64,4 @@ dependencies {
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-core:1.0.0'
     implementation 'org.jetbrains.kotlinx:kotlinx-coroutines-android:1.0.0'
 
-}
\ No newline at end of file
+}
diff --git a/sample/app/src/main/java/io/walletconnect/example/ExampleApplication.kt b/sample/app/src/main/java/io/walletconnect/example/ExampleApplication.kt
index 6012e0f..d2e8319 100644
--- a/sample/app/src/main/java/io/walletconnect/example/ExampleApplication.kt
+++ b/sample/app/src/main/java/io/walletconnect/example/ExampleApplication.kt
@@ -4,10 +4,10 @@ import androidx.multidex.MultiDexApplication
 import com.squareup.moshi.Moshi
 import io.walletconnect.example.server.BridgeServer
 import okhttp3.OkHttpClient
+import org.komputing.khex.extensions.toNoPrefixHexString
 import org.walletconnect.Session
 import org.walletconnect.impls.*
 import org.walletconnect.nullOnThrow
-import org.walleth.khex.toNoPrefixHexString
 import java.io.File
 import java.util.*
 
@@ -59,4 +59,4 @@ class ExampleApplication : MultiDexApplication() {
             session.offer()
         }
     }
-}
\ No newline at end of file
+}
diff --git a/sample/app/src/main/java/io/walletconnect/example/MainActivity.kt b/sample/app/src/main/java/io/walletconnect/example/MainActivity.kt
index 0f83e1d..7c373dd 100644
--- a/sample/app/src/main/java/io/walletconnect/example/MainActivity.kt
+++ b/sample/app/src/main/java/io/walletconnect/example/MainActivity.kt
@@ -18,10 +18,21 @@ class MainActivity : Activity(), Session.Callback {
     private var txRequest: Long? = null
     private val uiScope = CoroutineScope(Dispatchers.Main)
 
-    override fun handleMethodCall(call: Session.MethodCall) {
+    override fun onStatus(status: Session.Status) {
+        when(status) {
+            Session.Status.Approved -> sessionApproved()
+            Session.Status.Closed -> sessionClosed()
+            Session.Status.Connected,
+            Session.Status.Disconnected,
+            is Session.Status.Error -> {
+                // Do Stuff
+            }
+        }
     }
 
-    override fun sessionApproved() {
+    override fun onMethodCall(call: Session.MethodCall) {
+    }
+    private fun sessionApproved() {
         uiScope.launch {
             screen_main_status.text = "Connected: ${ExampleApplication.session.approvedAccounts()}"
             screen_main_connect_button.visibility = View.GONE
@@ -30,7 +41,7 @@ class MainActivity : Activity(), Session.Callback {
         }
     }
 
-    override fun sessionClosed() {
+    private fun sessionClosed() {
         uiScope.launch {
             screen_main_status.text = "Disconnected"
             screen_main_connect_button.visibility = View.VISIBLE
@@ -70,7 +81,7 @@ class MainActivity : Activity(), Session.Callback {
                             null,
                             null,
                             "0x5AF3107A4000",
-                            ""bu
+                            ""
                     ),
                     ::handleResponse
             )