diff --git a/backend/src/config/index.ts b/backend/src/config/index.ts
index ed415da08..7fbc0aae0 100644
--- a/backend/src/config/index.ts
+++ b/backend/src/config/index.ts
@@ -12,7 +12,7 @@ Decimal.set({
 })
 
 const constants = {
-  DB_VERSION: '0079-fill_linked_user_id_of_contributions',
+  DB_VERSION: '0080-fill_linked_user_gradidoId_of_contributions',
   DECAY_START_TIME: new Date('2021-05-13 17:46:31-0000'), // GMT+0
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
diff --git a/backend/src/graphql/resolver/ContributionResolver.test.ts b/backend/src/graphql/resolver/ContributionResolver.test.ts
index 8b2bf141e..a188c5d2c 100644
--- a/backend/src/graphql/resolver/ContributionResolver.test.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.test.ts
@@ -2609,7 +2609,7 @@ describe('ContributionResolver', () => {
               expect(transaction[0].linkedTransactionId).toEqual(null)
               expect(transaction[0].transactionLinkId).toEqual(null)
               expect(transaction[0].previous).toEqual(null)
-              expect(transaction[0].linkedUserId).toEqual(null)
+              expect(transaction[0].linkedUserId).toEqual(admin.id)
               expect(transaction[0].typeId).toEqual(1)
             })
 
diff --git a/backend/src/graphql/resolver/ContributionResolver.ts b/backend/src/graphql/resolver/ContributionResolver.ts
index c07a691a3..5684835e4 100644
--- a/backend/src/graphql/resolver/ContributionResolver.ts
+++ b/backend/src/graphql/resolver/ContributionResolver.ts
@@ -451,7 +451,11 @@ export class ContributionResolver {
         transaction.userId = contribution.userId
         transaction.userGradidoID = user.gradidoID
         transaction.userName = fullName(user.firstName, user.lastName)
-        transaction.linkedUserId = contribution.moderatorId
+        transaction.userCommunityUuid = user.communityUuid
+        transaction.linkedUserId = moderatorUser.id
+        transaction.linkedUserGradidoID = moderatorUser.gradidoID
+        transaction.linkedUserName = fullName(moderatorUser.firstName, moderatorUser.lastName)
+        transaction.linkedUserCommunityUuid = moderatorUser.communityUuid
         transaction.previous = lastTransaction ? lastTransaction.id : null
         transaction.amount = contribution.amount
         transaction.creationDate = contribution.contributionDate
diff --git a/backend/src/graphql/resolver/TransactionResolver.ts b/backend/src/graphql/resolver/TransactionResolver.ts
index d379efef3..b4fd5c4e3 100644
--- a/backend/src/graphql/resolver/TransactionResolver.ts
+++ b/backend/src/graphql/resolver/TransactionResolver.ts
@@ -109,9 +109,11 @@ export const executeTransaction = async (
       transactionSend.userId = sender.id
       transactionSend.userGradidoID = sender.gradidoID
       transactionSend.userName = fullName(sender.firstName, sender.lastName)
+      transactionSend.userCommunityUuid = sender.communityUuid
       transactionSend.linkedUserId = recipient.id
       transactionSend.linkedUserGradidoID = recipient.gradidoID
       transactionSend.linkedUserName = fullName(recipient.firstName, recipient.lastName)
+      transactionSend.linkedUserCommunityUuid = recipient.communityUuid
       transactionSend.amount = amount.mul(-1)
       transactionSend.balance = sendBalance.balance
       transactionSend.balanceDate = receivedCallDate
@@ -129,9 +131,11 @@ export const executeTransaction = async (
       transactionReceive.userId = recipient.id
       transactionReceive.userGradidoID = recipient.gradidoID
       transactionReceive.userName = fullName(recipient.firstName, recipient.lastName)
+      transactionReceive.userCommunityUuid = recipient.communityUuid
       transactionReceive.linkedUserId = sender.id
       transactionReceive.linkedUserGradidoID = sender.gradidoID
       transactionReceive.linkedUserName = fullName(sender.firstName, sender.lastName)
+      transactionReceive.linkedUserCommunityUuid = sender.communityUuid
       transactionReceive.amount = amount
       const receiveBalance = await calculateBalance(recipient.id, amount, receivedCallDate)
       transactionReceive.balance = receiveBalance ? receiveBalance.balance : amount
diff --git a/database/migrations/0080-fill_linked_user_gradidoId_of_contributions.ts b/database/migrations/0080-fill_linked_user_gradidoId_of_contributions.ts
new file mode 100644
index 000000000..ae5ef6ccf
--- /dev/null
+++ b/database/migrations/0080-fill_linked_user_gradidoId_of_contributions.ts
@@ -0,0 +1,34 @@
+export async function upgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(
+    `UPDATE \`transactions\` AS t
+     JOIN \`contributions\` AS c ON t.id = c.transaction_id
+     JOIN \`users\` AS u ON u.id = c.confirmed_by
+     SET 
+       t.linked_user_gradido_id = u.gradido_id,
+       t.linked_user_name = CONCAT(u.first_name, ' ', u.last_name),
+       t.linked_user_community_uuid = u.community_uuid
+     WHERE t.type_id = ?`,
+    [1],
+  )
+
+  // fill user community uuid fields in transactions
+  await queryFn(
+    `UPDATE \`transactions\` AS t
+     JOIN \`users\` AS u ON u.id = t.user_id
+     JOIN \`users\` AS lu ON lu.id = t.linked_user_id
+     SET 
+       t.user_community_uuid = u.community_uuid,
+       t.linked_user_community_uuid = lu.community_uuid`,
+  )
+}
+
+export async function downgrade(queryFn: (query: string, values?: any[]) => Promise<Array<any>>) {
+  await queryFn(
+    `UPDATE \`transactions\` SET \`linked_user_gradido_id\` = NULL, \`linked_user_name\` = NULL where \`type_id\` = ?;`,
+    [1],
+  )
+
+  await queryFn(
+    `UPDATE \`transactions\` SET \`user_community_uuid\` = NULL, \`linked_user_community_uuid\` = NULL;`,
+  )
+}
diff --git a/dht-node/src/config/index.ts b/dht-node/src/config/index.ts
index b0661126f..3459ec058 100644
--- a/dht-node/src/config/index.ts
+++ b/dht-node/src/config/index.ts
@@ -4,7 +4,7 @@ import dotenv from 'dotenv'
 dotenv.config()
 
 const constants = {
-  DB_VERSION: '0079-fill_linked_user_id_of_contributions',
+  DB_VERSION: '0080-fill_linked_user_gradidoId_of_contributions',
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info
   LOG_LEVEL: process.env.LOG_LEVEL || 'info',
diff --git a/federation/src/config/index.ts b/federation/src/config/index.ts
index 9ce6f18e3..5f1b2e0c6 100644
--- a/federation/src/config/index.ts
+++ b/federation/src/config/index.ts
@@ -10,7 +10,7 @@ Decimal.set({
 })
 
 const constants = {
-  DB_VERSION: '0079-fill_linked_user_id_of_contributions',
+  DB_VERSION: '0080-fill_linked_user_gradidoId_of_contributions',
   DECAY_START_TIME: new Date('2021-05-13 17:46:31-0000'), // GMT+0
   LOG4JS_CONFIG: 'log4js-config.json',
   // default log level on production should be info