diff --git a/services/wallet/activity/activity.go b/services/wallet/activity/activity.go
index 6048aa50c..851e0e9b9 100644
--- a/services/wallet/activity/activity.go
+++ b/services/wallet/activity/activity.go
@@ -85,9 +85,21 @@ type Entry struct {
 	isNew bool // isNew is used to indicate if the entry is newer than session start (changed state also)
 }
 
+func (e *Entry) Key() string {
+	if e.payloadType == MultiTransactionPT {
+		key := fmt.Sprintf("%d", e.id)
+		for _, t := range e.transactions {
+			key += fmt.Sprintf("-%s", t.Key())
+		}
+		return key
+	}
+	return e.transaction.Key()
+}
+
 // Only used for JSON marshalling
 type EntryData struct {
 	PayloadType               PayloadType                     `json:"payloadType"`
+	Key                       string                          `json:"key"`
 	Transaction               *transfer.TransactionIdentity   `json:"transaction,omitempty"`
 	ID                        *common.MultiTransactionIDType  `json:"id,omitempty"`
 	Transactions              []*transfer.TransactionIdentity `json:"transactions,omitempty"`
@@ -118,6 +130,7 @@ type EntryData struct {
 
 func (e *Entry) MarshalJSON() ([]byte, error) {
 	data := EntryData{
+		Key:                       e.Key(),
 		Timestamp:                 &e.timestamp,
 		ActivityType:              &e.activityType,
 		ActivityStatus:            &e.activityStatus,
diff --git a/services/wallet/activity/service.go b/services/wallet/activity/service.go
index ea73d7886..4148a5bdc 100644
--- a/services/wallet/activity/service.go
+++ b/services/wallet/activity/service.go
@@ -276,6 +276,7 @@ func (s *Service) getActivityDetails(ctx context.Context, entries []Entry) ([]*E
 			}
 			for _, e := range entryList {
 				data := &EntryData{
+					Key:     e.Key(),
 					NftName: nftName,
 					NftURL:  nftURL,
 				}
diff --git a/services/wallet/activity/session_service.go b/services/wallet/activity/session_service.go
index 775b3bcf8..2d61dcf96 100644
--- a/services/wallet/activity/session_service.go
+++ b/services/wallet/activity/session_service.go
@@ -456,6 +456,7 @@ func (s *Service) processEntryDataUpdates(sessionID SessionID, entries []Entry,
 		}
 
 		data := &EntryData{
+			Key:            e.Key(),
 			ActivityStatus: &e.activityStatus,
 		}
 		if e.payloadType == MultiTransactionPT {
diff --git a/services/wallet/transfer/transaction_manager.go b/services/wallet/transfer/transaction_manager.go
index ebe9583b3..30fa2e54b 100644
--- a/services/wallet/transfer/transaction_manager.go
+++ b/services/wallet/transfer/transaction_manager.go
@@ -126,6 +126,10 @@ type TransactionIdentity struct {
 	Address common.Address        `json:"address"`
 }
 
+func (tid *TransactionIdentity) Key() string {
+	return fmt.Sprintf("%d-%s-%s", tid.ChainID, tid.Hash.Hex(), tid.Address.Hex())
+}
+
 type TxResponse struct {
 	KeyUID        string                 `json:"keyUid,omitempty"`
 	Address       types.Address          `json:"address,omitempty"`