diff --git a/apollo/src/appleTest/kotlin/org/hyperledger/identus/apollo/secp256k1/KMMEdKeyPairTest.kt b/apollo/src/appleTest/kotlin/org/hyperledger/identus/apollo/secp256k1/KMMEdKeyPairTest.kt
new file mode 100644
index 000000000..0a8e5d053
--- /dev/null
+++ b/apollo/src/appleTest/kotlin/org/hyperledger/identus/apollo/secp256k1/KMMEdKeyPairTest.kt
@@ -0,0 +1,18 @@
+package org.hyperledger.identus.apollo.secp256k1
+
+import org.hyperledger.identus.apollo.base64.base64DecodedBytes
+import org.hyperledger.identus.apollo.utils.KMMEdPublicKey
+import kotlin.test.Test
+import kotlin.test.assertTrue
+
+class KMMEdKeyPairTest {
+
+    @Test
+    fun ed_signature_verify() {
+        val message = "testing".encodeToByteArray()
+        val edsk = KMMEdPublicKey("z+a8g8i/3yajE/QDIxIF7sP1m/aLKTOfygIuSJanRAg".base64DecodedBytes)
+        val sig = "zZzeTBYjrpowc+skEMVQSVTzntzXvZGcbBbNY0gHKF6z+e40Q5G3o35lX4Mf0J8iRde/LAn77JdzIh6gQv7hAA".base64DecodedBytes
+        val verify = edsk.verify(message, sig)
+        assertTrue(verify)
+    }
+}
diff --git a/apollo/src/appleTest/kotlin/org/hyperledger/identus/apollo/secp256k1/Secp256k1Tests.kt b/apollo/src/appleTest/kotlin/org/hyperledger/identus/apollo/secp256k1/Secp256k1Tests.kt
index f0b453533..94fb6cffc 100644
--- a/apollo/src/appleTest/kotlin/org/hyperledger/identus/apollo/secp256k1/Secp256k1Tests.kt
+++ b/apollo/src/appleTest/kotlin/org/hyperledger/identus/apollo/secp256k1/Secp256k1Tests.kt
@@ -1,13 +1,19 @@
 package org.hyperledger.identus.apollo.secp256k1
 
 import fr.acinq.secp256k1.Secp256k1Native
-import kotlin.test.Test
-import kotlin.test.assertContentEquals
-import kotlin.test.assertEquals
-import kotlin.test.assertFalse
-import kotlin.test.assertTrue
+import org.hyperledger.identus.apollo.utils.KMMEdKeyPair
+import kotlin.test.*
 
 class Secp256k1Tests {
+    @Test
+    fun verifyValidPrivateKeyEd() {
+
+        val keypair = KMMEdKeyPair.generateKeyPair()
+        keypair.privateKey.raw
+    }
+
+
+
     @Test
     fun verifyValidPrivateKey() {
         val secp256k1 = Secp256k1Native
diff --git a/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPrivateKey.kt b/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPrivateKey.kt
index d23cd4a36..22e80ea1d 100644
--- a/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPrivateKey.kt
+++ b/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPrivateKey.kt
@@ -49,7 +49,7 @@ actual class KMMEdPrivateKey(bytes: ByteArray) {
     actual fun sign(message: ByteArray): ByteArray {
         val sig = keyPair.sign(Buffer.from(message))
 
-        return sig.toHex().encodeToByteArray()
+        return sig.toBytes().toByteArray()
     }
 
     /**
diff --git a/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPublicKey.kt b/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPublicKey.kt
index 6b3f0a358..26e777b51 100644
--- a/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPublicKey.kt
+++ b/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/KMMEdPublicKey.kt
@@ -46,6 +46,12 @@ actual class KMMEdPublicKey(bytes: ByteArray) {
      * @return Boolean
      */
     actual fun verify(message: ByteArray, sig: ByteArray): Boolean {
-        return keyPair.verify(Buffer.from(message), sig.decodeToString())
+
+        return keyPair.verify(
+            Buffer.from(message),
+            sig.toHexString()
+
+
+        )
     }
 }
diff --git a/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/external/Ellipticjs.kt b/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/external/Ellipticjs.kt
index 1006fc84f..deed952b8 100644
--- a/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/external/Ellipticjs.kt
+++ b/apollo/src/jsMain/kotlin/org/hyperledger/identus/apollo/utils/external/Ellipticjs.kt
@@ -279,7 +279,7 @@ open external class eddsa(name: String /* "ed25519" */) {
     open fun isPoint(param_val: Any): Boolean
     open class Signature {
         constructor(eddsa: eddsa, sig: _eddsa_Signature)
-        constructor(eddsa: eddsa, sig: String)
+        constructor(eddsa: eddsa, sig: Any)
         open fun toBytes(): Buffer
         open fun toHex(): String
     }