diff --git a/dapps/valuetransfers/packages/branchmanager/conflict.go b/dapps/valuetransfers/packages/branchmanager/conflict.go
index 519733f6ba6981534d8fd1eb1ff6eadc2ca4353b..f717aea91778b64868a59141ff562d45765226d0 100644
--- a/dapps/valuetransfers/packages/branchmanager/conflict.go
+++ b/dapps/valuetransfers/packages/branchmanager/conflict.go
@@ -92,7 +92,7 @@ func (conflict *Conflict) MemberCount() int {
 }
 
 // IncreaseMemberCount offers a thread safe way to increase the MemberCount property.
-func (conflict *Conflict) IncreaseMemberCount(optionalDelta ...int) (newMemberCount int) {
+func (conflict *Conflict) IncreaseMemberCount(optionalDelta ...int) int {
 	delta := uint32(1)
 	if len(optionalDelta) >= 1 {
 		delta = uint32(optionalDelta[0])
@@ -103,9 +103,8 @@ func (conflict *Conflict) IncreaseMemberCount(optionalDelta ...int) (newMemberCo
 
 	conflict.memberCount = conflict.memberCount + delta
 	conflict.SetModified()
-	newMemberCount = int(conflict.memberCount)
 
-	return
+	return int(conflict.memberCount)
 }
 
 // DecreaseMemberCount offers a thread safe way to decrease the MemberCount property.
@@ -150,7 +149,7 @@ func (conflict *Conflict) ObjectStorageKey() []byte {
 // Branch.
 func (conflict *Conflict) ObjectStorageValue() []byte {
 	return marshalutil.New(marshalutil.UINT32_SIZE).
-		WriteUint32(conflict.memberCount).
+		WriteUint32(uint32(conflict.MemberCount())).
 		Bytes()
 }
 
diff --git a/dapps/valuetransfers/packages/tangle/missingoutput.go b/dapps/valuetransfers/packages/tangle/missingoutput.go
index 1fc6687bf4b800c1001a780fb9a84c2b7d0d0bbe..796c666ea8869cfd0c40fd4b4df970c29503c0aa 100644
--- a/dapps/valuetransfers/packages/tangle/missingoutput.go
+++ b/dapps/valuetransfers/packages/tangle/missingoutput.go
@@ -108,7 +108,7 @@ func (missingOutput *MissingOutput) ObjectStorageKey() []byte {
 // interface.
 func (missingOutput *MissingOutput) ObjectStorageValue() []byte {
 	return marshalutil.New(marshalutil.TIME_SIZE).
-		WriteTime(missingOutput.missingSince).
+		WriteTime(missingOutput.MissingSince()).
 		Bytes()
 }
 
diff --git a/dapps/valuetransfers/packages/tangle/missingpayload.go b/dapps/valuetransfers/packages/tangle/missingpayload.go
index 52933dddb8242475c39cdb253822ef9d36b5d04f..5ef6ca9e4a35e99a46fc933c61051c29dacee88d 100644
--- a/dapps/valuetransfers/packages/tangle/missingpayload.go
+++ b/dapps/valuetransfers/packages/tangle/missingpayload.go
@@ -112,7 +112,7 @@ func (missingPayload *MissingPayload) ObjectStorageKey() []byte {
 // ObjectStorageValue is required to match the encoding.BinaryMarshaler interface.
 func (missingPayload *MissingPayload) ObjectStorageValue() (data []byte) {
 	return marshalutil.New(marshalutil.TIME_SIZE).
-		WriteTime(missingPayload.missingSince).
+		WriteTime(missingPayload.MissingSince()).
 		Bytes()
 }
 
diff --git a/dapps/valuetransfers/packages/tangle/output.go b/dapps/valuetransfers/packages/tangle/output.go
index 4711420a72eff4425e62d19b0d6ebea762fbcb1f..4421454ee8b13ef90b3c5302f16121c7e45ec146 100644
--- a/dapps/valuetransfers/packages/tangle/output.go
+++ b/dapps/valuetransfers/packages/tangle/output.go
@@ -426,22 +426,23 @@ func (output *Output) ObjectStorageKey() []byte {
 // and are ignored here.
 func (output *Output) ObjectStorageValue() []byte {
 	// determine amount of balances in the output
-	balanceCount := len(output.balances)
+	balances := output.Balances()
+	balanceCount := len(balances)
 
 	// initialize helper
 	marshalUtil := marshalutil.New(branchmanager.BranchIDLength + 6*marshalutil.BOOL_SIZE + marshalutil.TIME_SIZE + transaction.IDLength + marshalutil.UINT32_SIZE + marshalutil.UINT32_SIZE + balanceCount*balance.Length)
 	marshalUtil.WriteBytes(output.branchID.Bytes())
-	marshalUtil.WriteBool(output.solid)
-	marshalUtil.WriteTime(output.solidificationTime)
+	marshalUtil.WriteBool(output.Solid())
+	marshalUtil.WriteTime(output.SolidificationTime())
 	marshalUtil.WriteBytes(output.firstConsumer.Bytes())
-	marshalUtil.WriteUint32(uint32(output.consumerCount))
+	marshalUtil.WriteUint32(uint32(output.ConsumerCount()))
 	marshalUtil.WriteBool(output.Preferred())
 	marshalUtil.WriteBool(output.Finalized())
 	marshalUtil.WriteBool(output.Liked())
 	marshalUtil.WriteBool(output.Confirmed())
 	marshalUtil.WriteBool(output.Rejected())
 	marshalUtil.WriteUint32(uint32(balanceCount))
-	for _, balanceToMarshal := range output.balances {
+	for _, balanceToMarshal := range balances {
 		marshalUtil.WriteBytes(balanceToMarshal.Bytes())
 	}
 
diff --git a/dapps/valuetransfers/packages/tangle/payloadmetadata.go b/dapps/valuetransfers/packages/tangle/payloadmetadata.go
index 6c65c2ac5e1fa48f66dc64380021bef63525cd89..414561c6b6862ff287d38816f7dc7056c18d989e 100644
--- a/dapps/valuetransfers/packages/tangle/payloadmetadata.go
+++ b/dapps/valuetransfers/packages/tangle/payloadmetadata.go
@@ -305,12 +305,12 @@ func (payloadMetadata *PayloadMetadata) Update(other objectstorage.StorableObjec
 // ObjectStorageValue is required to match the encoding.BinaryMarshaler interface.
 func (payloadMetadata *PayloadMetadata) ObjectStorageValue() []byte {
 	return marshalutil.New(marshalutil.TIME_SIZE + 4*marshalutil.BOOL_SIZE).
-		WriteTime(payloadMetadata.solidificationTime).
-		WriteBool(payloadMetadata.solid).
-		WriteBool(payloadMetadata.liked).
-		WriteBool(payloadMetadata.confirmed).
-		WriteBool(payloadMetadata.rejected).
-		WriteBytes(payloadMetadata.branchID.Bytes()).
+		WriteTime(payloadMetadata.SoldificationTime()).
+		WriteBool(payloadMetadata.IsSolid()).
+		WriteBool(payloadMetadata.Liked()).
+		WriteBool(payloadMetadata.Confirmed()).
+		WriteBool(payloadMetadata.Rejected()).
+		WriteBytes(payloadMetadata.BranchID().Bytes()).
 		Bytes()
 }
 
diff --git a/packages/binary/messagelayer/tangle/messagemetadata.go b/packages/binary/messagelayer/tangle/messagemetadata.go
index 7c03ace2e8a77586eabb750fa60c4d3907e08c13..21345fc61bad9b82c8961eff560fe05e138dc16b 100644
--- a/packages/binary/messagelayer/tangle/messagemetadata.go
+++ b/packages/binary/messagelayer/tangle/messagemetadata.go
@@ -119,8 +119,8 @@ func (messageMetadata *MessageMetadata) ObjectStorageKey() []byte {
 func (messageMetadata *MessageMetadata) ObjectStorageValue() []byte {
 	return marshalutil.New().
 		WriteTime(messageMetadata.receivedTime).
-		WriteTime(messageMetadata.solidificationTime).
-		WriteBool(messageMetadata.solid).
+		WriteTime(messageMetadata.SoldificationTime()).
+		WriteBool(messageMetadata.IsSolid()).
 		Bytes()
 }