diff --git a/pollux/lib/anoncreds/src/main/scala/io/iohk/atala/pollux/anoncreds/AnoncredLib.scala b/pollux/lib/anoncreds/src/main/scala/io/iohk/atala/pollux/anoncreds/AnoncredLib.scala
index 102b829f87..aa6e49ebda 100644
--- a/pollux/lib/anoncreds/src/main/scala/io/iohk/atala/pollux/anoncreds/AnoncredLib.scala
+++ b/pollux/lib/anoncreds/src/main/scala/io/iohk/atala/pollux/anoncreds/AnoncredLib.scala
@@ -92,7 +92,7 @@ object AnoncredLib {
       metadata: CredentialRequestMetadata,
       linkSecret: LinkSecretWithId,
       credentialDefinition: CredentialDefinition,
-  ): Unit = {
+  ): Credential = {
     uniffi.anoncreds_wrapper
       .Prover()
       .processCredential(
diff --git a/pollux/lib/anoncredsTest/src/test/scala/io/iohk/atala/pollux/anoncreds/PoCNewLib.scala b/pollux/lib/anoncredsTest/src/test/scala/io/iohk/atala/pollux/anoncreds/PoCNewLib.scala
index bf74b7e97d..ed5401aed4 100644
--- a/pollux/lib/anoncredsTest/src/test/scala/io/iohk/atala/pollux/anoncreds/PoCNewLib.scala
+++ b/pollux/lib/anoncredsTest/src/test/scala/io/iohk/atala/pollux/anoncreds/PoCNewLib.scala
@@ -76,7 +76,13 @@ class PoCNewLib extends AnyFlatSpec {
       )
     )
 
-    println(credential)
+    val processedCredential = AnoncredLib.processCredential(
+      credential = credential,
+      metadata = credentialRequest.metadata,
+      linkSecret = linkSecret,
+      credentialDefinition = credentialDefinition.cd
+    )
+    println(processedCredential)
 
     // ##############
     // ### PROVER ###
@@ -92,7 +98,7 @@ class PoCNewLib extends AnyFlatSpec {
             "sex":{"name":"sex", "restrictions":{"attr::sex::value":"M","cred_def_id":"$CRED_DEF_ID"}}
         },
         "requested_predicates":{
-          "age":{"name":"age", "p_type":">=", "p_value":18}
+          "age":{"name":"age", "p_type":">=", "p_value":32}
         }
        }""".stripMargin
 
@@ -103,7 +109,7 @@ class PoCNewLib extends AnyFlatSpec {
     val presentation = AnoncredLib.createPresentation(
       presentationRequest, // : PresentationRequest,
       Seq(
-        CredentialAndRequestedAttributesPredicates(credential, Seq("sex"), Seq("age"))
+        CredentialAndRequestedAttributesPredicates(processedCredential, Seq("sex"), Seq("age"))
       ), // credentials: Seq[Credential],
       Map(), // selfAttested: Map[String, String],
       linkSecret.secret, // linkSecret: LinkSecret,