diff --git a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/IronTests.java b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/IronTests.java
index 89db3e0..02258fb 100644
--- a/inspector-vc/src/test/java/org/oneedtech/inspect/vc/IronTests.java
+++ b/inspector-vc/src/test/java/org/oneedtech/inspect/vc/IronTests.java
@@ -1,13 +1,17 @@
 package org.oneedtech.inspect.vc;
 
+import java.io.StringWriter;
 import java.net.URI;
 import java.time.Instant;
 import java.time.temporal.ChronoUnit;
+import java.util.HashMap;
+import java.util.Map;
 
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
+import com.apicatalog.did.key.DidKey;
 import com.apicatalog.ld.signature.ed25519.Ed25519Proof2020Adapter;
 import com.apicatalog.ld.signature.key.KeyPair;
 import com.apicatalog.ld.signature.proof.ProofOptions;
@@ -15,7 +19,11 @@ import com.apicatalog.ld.signature.proof.VerificationMethod;
 import com.apicatalog.vc.Vc;
 import com.apicatalog.vc.processor.Issuer;
 
+import jakarta.json.Json;
 import jakarta.json.JsonObject;
+import jakarta.json.JsonWriter;
+import jakarta.json.JsonWriterFactory;
+import jakarta.json.stream.JsonGenerator;
 
 public class IronTests {
 	
@@ -23,25 +31,30 @@ public class IronTests {
 	@Test
 	void testOb_01() {
 		Assertions.assertDoesNotThrow(()->{
+			
+			
+			final DidKey didKey = DidKey.from(URI.create("did:key:z6MkpTHR8VNsBxYAAWHut2Geadd9jSwuBV8xRoAnwWsdvktH"));
+					
+			//https://w3id.org/security#Ed25519KeyPair2020
+			//https://w3id.org/security#Ed25519Signature2020
 			URI unsigned = Samples.OB30.JSON.SIMPLE_JSON_NOPROOF.asURL().toURI();			
 			KeyPair kp = Vc.generateKeys("https://w3id.org/security#Ed25519Signature2020").get(URI.create("urn:1"), 256);			
 			ProofOptions options = ProofOptions.create(
 					Ed25519Proof2020Adapter.TYPE, 
-					new VerificationMethod(URI.create("did:key:z6MkkUD3J14nkYzn46QeuaVSnp7dF85QJKwKvJvfsjx79aXj")),
+					//new VerificationMethod(URI.create("did:key:z6MkkUD3J14nkYzn46QeuaVSnp7dF85QJKwKvJvfsjx79aXj")),
+					new VerificationMethod(didKey.toUri()),
 					URI.create("https://w3id.org/security#assertionMethod")).created(Instant.now().truncatedTo(ChronoUnit.SECONDS));
 					
 			Issuer issuer = Vc.sign(unsigned, kp, options);
-			JsonObject signed = issuer.getCompacted();
-			JsonObject proof = signed.getJsonObject("sec:proof");
-			
-			Assertions.assertNotNull(proof);
-				
-			System.err.println (issuer.getCompacted().toString());
-					
+			System.err.println(pretty(issuer.getCompacted()));
+			JsonObject signed = issuer.getCompacted();			
+			JsonObject proof = signed.getJsonObject("sec:proof");			
+			Assertions.assertNotNull(proof);				
+								
 			Vc.verify(issuer.getCompacted()).isValid();
 		});
 	}
-	
+		
 	@Disabled
 	@Test
 	void testClr_01() {
@@ -56,9 +69,20 @@ public class IronTests {
 			Issuer issuer = Vc.sign(unsigned, kp, options);
 			JsonObject job = issuer.getCompacted().getJsonObject("sec:proof");
 			
-			//System.err.println (issuer.getCompacted().toString());			
+			//System.err.println (pretty(issuer.getCompacted().toString()));			
 			Assertions.assertNotNull(job);			
 			Vc.verify(issuer.getCompacted()).isValid();
 		});
 	}
+	
+	String pretty(JsonObject jobj) {
+		Map<String, Object> properties = new HashMap<>(1);
+        properties.put(JsonGenerator.PRETTY_PRINTING, true);
+        StringWriter sw = new StringWriter();
+        JsonWriterFactory writerFactory = Json.createWriterFactory(properties);
+        JsonWriter jsonWriter = writerFactory.createWriter(sw);
+        jsonWriter.writeObject(jobj);
+        jsonWriter.close();
+        return sw.toString();
+	}
 }