diff --git a/cloud-agent/service/server/src/main/scala/org/hyperledger/identus/agent/server/jobs/BackgroundJobsHelper.scala b/cloud-agent/service/server/src/main/scala/org/hyperledger/identus/agent/server/jobs/BackgroundJobsHelper.scala
index 550c82257a..8766e644d1 100644
--- a/cloud-agent/service/server/src/main/scala/org/hyperledger/identus/agent/server/jobs/BackgroundJobsHelper.scala
+++ b/cloud-agent/service/server/src/main/scala/org/hyperledger/identus/agent/server/jobs/BackgroundJobsHelper.scala
@@ -5,6 +5,7 @@ import org.hyperledger.identus.agent.walletapi.model.error.DIDSecretStorageError
 import org.hyperledger.identus.agent.walletapi.service.ManagedDIDService
 import org.hyperledger.identus.agent.walletapi.storage.DIDNonSecretStorage
 import org.hyperledger.identus.castor.core.model.did.{LongFormPrismDID, PrismDID, VerificationRelationship}
+import org.hyperledger.identus.castor.core.model.did.EllipticCurve
 import org.hyperledger.identus.castor.core.service.DIDService
 import org.hyperledger.identus.mercury.{AgentPeerService, DidAgent}
 import org.hyperledger.identus.mercury.model.DidId
@@ -52,7 +53,11 @@ trait BackgroundJobsHelper {
         .resolveDID(jwtIssuerDID)
         .mapError(e => RuntimeException(s"Error occured while resolving Issuing DID during VC creation: ${e.toString}"))
         .someOrFail(RuntimeException(s"Issuing DID resolution result is not found"))
-        .map { case (_, didData) => didData.publicKeys.find(_.purpose == verificationRelationship).map(_.id) }
+        .map { case (_, didData) =>
+          didData.publicKeys
+            .find(pk => pk.purpose == verificationRelationship && pk.publicKeyData.crv == EllipticCurve.SECP256K1)
+            .map(_.id)
+        }
         .someOrFail(
           RuntimeException(s"Issuing DID doesn't have a key in ${verificationRelationship.name} to use: $jwtIssuerDID")
         )
@@ -120,7 +125,11 @@ trait BackgroundJobsHelper {
         .resolveDID(jwtIssuerDID)
         .mapError(e => RuntimeException(s"Error occured while resolving Issuing DID during VC creation: ${e.toString}"))
         .someOrFail(RuntimeException(s"Issuing DID resolution result is not found"))
-        .map { case (_, didData) => didData.publicKeys.find(_.purpose == verificationRelationship).map(_.id) }
+        .map { case (_, didData) =>
+          didData.publicKeys
+            .find(pk => pk.purpose == verificationRelationship && pk.publicKeyData.crv == EllipticCurve.ED25519)
+            .map(_.id)
+        }
         .someOrFail(
           RuntimeException(s"Issuing DID doesn't have a key in ${verificationRelationship.name} to use: $jwtIssuerDID")
         )
diff --git a/pollux/core/src/main/scala/org/hyperledger/identus/pollux/core/service/CredentialServiceImpl.scala b/pollux/core/src/main/scala/org/hyperledger/identus/pollux/core/service/CredentialServiceImpl.scala
index 7f77f74fc2..cebb0b6f80 100644
--- a/pollux/core/src/main/scala/org/hyperledger/identus/pollux/core/service/CredentialServiceImpl.scala
+++ b/pollux/core/src/main/scala/org/hyperledger/identus/pollux/core/service/CredentialServiceImpl.scala
@@ -7,6 +7,7 @@ import org.hyperledger.identus.agent.walletapi.model.{ManagedDIDState, Publicati
 import org.hyperledger.identus.agent.walletapi.service.ManagedDIDService
 import org.hyperledger.identus.agent.walletapi.storage.GenericSecretStorage
 import org.hyperledger.identus.castor.core.model.did.{CanonicalPrismDID, PrismDID, VerificationRelationship}
+import org.hyperledger.identus.castor.core.model.did.EllipticCurve
 import org.hyperledger.identus.castor.core.service.DIDService
 import org.hyperledger.identus.mercury.model.*
 import org.hyperledger.identus.mercury.protocol.issuecredential.*
@@ -544,7 +545,11 @@ private class CredentialServiceImpl(
         .resolveDID(jwtIssuerDID)
         .mapError(e => UnexpectedError(s"Error occured while resolving Issuing DID during VC creation: ${e.toString}"))
         .someOrFail(UnexpectedError(s"Issuing DID resolution result is not found"))
-        .map { case (_, didData) => didData.publicKeys.find(_.purpose == verificationRelationship).map(_.id) }
+        .map { case (_, didData) =>
+          didData.publicKeys
+            .find(pk => pk.purpose == verificationRelationship && pk.publicKeyData.crv == EllipticCurve.SECP256K1)
+            .map(_.id)
+        }
         .someOrFail(
           UnexpectedError(s"Issuing DID doesn't have a key in ${verificationRelationship.name} to use: $jwtIssuerDID")
         )
@@ -571,7 +576,11 @@ private class CredentialServiceImpl(
         .resolveDID(jwtIssuerDID)
         .mapError(e => UnexpectedError(s"Error occured while resolving Issuing DID during VC creation: ${e.toString}"))
         .someOrFail(UnexpectedError(s"Issuing DID resolution result is not found"))
-        .map { case (_, didData) => didData.publicKeys.find(_.purpose == verificationRelationship).map(_.id) }
+        .map { case (_, didData) =>
+          didData.publicKeys
+            .find(pk => pk.purpose == verificationRelationship && pk.publicKeyData.crv == EllipticCurve.ED25519)
+            .map(_.id)
+        }
         .someOrFail(
           UnexpectedError(s"Issuing DID doesn't have a key in ${verificationRelationship.name} to use: $jwtIssuerDID")
         )