diff --git a/backend/src/graphql/resolver/TransactionResolver.ts b/backend/src/graphql/resolver/TransactionResolver.ts
index 04f636b5a..40e9ec2dd 100644
--- a/backend/src/graphql/resolver/TransactionResolver.ts
+++ b/backend/src/graphql/resolver/TransactionResolver.ts
@@ -322,8 +322,6 @@ export class TransactionResolver {
       throw new LogError('Amount to send must be positive', amount)
     }
 
-    // TODO this is subject to replay attacks
-    // --- WHY?
     const senderUser = getUser(context)
 
     // validate recipient user
diff --git a/dht-node/src/dht_node/index.ts b/dht-node/src/dht_node/index.ts
index 4fd0bd733..36291904a 100644
--- a/dht-node/src/dht_node/index.ts
+++ b/dht-node/src/dht_node/index.ts
@@ -186,7 +186,7 @@ export const startDHT = async (topic: string): Promise<void> => {
   }
 }
 
-export async function writeFederatedHomeCommunityEntries(pubKey: string): Promise<CommunityApi[]> {
+async function writeFederatedHomeCommunityEntries(pubKey: string): Promise<CommunityApi[]> {
   const homeApiVersions: CommunityApi[] = Object.values(ApiVersionType).map(function (apiEnum) {
     const comApi: CommunityApi = {
       api: apiEnum,
@@ -212,7 +212,7 @@ export async function writeFederatedHomeCommunityEntries(pubKey: string): Promis
   return homeApiVersions
 }
 
-export async function writeHomeCommunityEntry(pubKey: string): Promise<void> {
+async function writeHomeCommunityEntry(pubKey: string): Promise<void> {
   try {
     // check for existing homeCommunity entry
     let homeCom = await DbCommunity.findOne({