diff --git a/backend/src/graphql/model/Transaction.ts b/backend/src/graphql/model/Transaction.ts
index 3aa3c429d..e23334a8e 100644
--- a/backend/src/graphql/model/Transaction.ts
+++ b/backend/src/graphql/model/Transaction.ts
@@ -15,6 +15,7 @@ export class Transaction {
     this.balance = 0
     this.totalBalance = 0
     this.memo = ''
+    this.firstTransaction = false
   }
 
   @Field(() => String)
@@ -26,15 +27,6 @@ export class Transaction {
   @Field(() => Number)
   totalBalance: number
 
-  @Field({ nullable: true })
-  decayStart?: string
-
-  @Field({ nullable: true })
-  decayEnd?: string
-
-  @Field({ nullable: true })
-  decayDuration?: number
-
   @Field(() => String)
   memo: string
 
@@ -52,4 +44,7 @@ export class Transaction {
 
   @Field({ nullable: true })
   decay?: Decay
+
+  @Field(() => Boolean)
+  firstTransaction: boolean
 }