diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts
index a51f87f5d..5e03fbff6 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/bootstrap.ts
@@ -9,8 +9,9 @@ import { addCommunityRootTransaction } from './blockchain'
 import { Context } from './Context'
 import { communityDbToCommunity } from './convert'
 import { loadAdminUsersCache, loadCommunities, loadContributionLinkModeratorCache } from './database'
-import { generateKeyPairCommunity } from './keyPair'
+import { generateKeyPairCommunity } from './data/keyPair'
 import { CommunityContext } from './valibot.schema'
+import { Balance } from './data/Balance'
 
 export async function bootstrap(): Promise<Context> {
   const context = await Context.create()
@@ -47,6 +48,8 @@ async function bootstrapCommunities(context: Context): Promise<Map<string, Commu
       blockchain,
       topicId,
       folder: communityDb.uniqueAlias.replace(/[^a-zA-Z0-9]/g, '_'),
+      gmwBalance: new Balance(),
+      aufBalance: new Balance(),
     })
 
     generateKeyPairCommunity(communityDb, context.cache, topicId)
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/convert.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/convert.ts
index e60f98dcf..d347bd8ff 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/convert.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/convert.ts
@@ -14,7 +14,7 @@ import {
   memoSchema,
   timeoutDurationSchema,
 } from '../../schemas/typeGuard.schema'
-import { TransactionTypeId } from './TransactionTypeId'
+import { TransactionTypeId } from './data/TransactionTypeId'
 import { CommunityDb, CreatedUserDb, TransactionDb, TransactionLinkDb } from './valibot.schema'
 
 export function getInputTransactionTypeFromTypeId(typeId: TransactionTypeId): InputTransactionType {
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/Balance.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/Balance.ts
new file mode 100644
index 000000000..adc13860d
--- /dev/null
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/Balance.ts
@@ -0,0 +1,25 @@
+import Decimal from 'decimal.js-light'
+import { GradidoUnit } from 'gradido-blockchain-js'
+import { legacyCalculateDecay } from '../utils'
+
+export class Balance {
+    private balance: GradidoUnit
+    private date: Date
+    public constructor()
+    {
+        this.balance = new GradidoUnit(0)
+        this.date = new Date()
+    }
+
+    public update(amount: Decimal, date: Date) {
+        if (this.balance.equal(GradidoUnit.zero())) {
+            this.balance = GradidoUnit.fromString(amount.toString())
+            this.date = date
+        } else {
+            const decayedBalance = legacyCalculateDecay(new Decimal(this.balance.toString()), this.date, date )
+            const newBalance = decayedBalance.add(amount)
+            this.balance = GradidoUnit.fromString(newBalance.toString())
+            this.date = date
+        }
+    }
+}
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/TransactionTypeId.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/TransactionTypeId.ts
similarity index 100%
rename from dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/TransactionTypeId.ts
rename to dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/TransactionTypeId.ts
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/keyPair.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/keyPair.ts
similarity index 80%
rename from dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/keyPair.ts
rename to dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/keyPair.ts
index b3432da80..cbd365f75 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/keyPair.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/data/keyPair.ts
@@ -1,13 +1,13 @@
 import { KeyPairEd25519, MemoryBlock, MemoryBlockPtr } from 'gradido-blockchain-js'
 import { getLogger } from 'log4js'
-import { KeyPairCacheManager } from '../../cache/KeyPairCacheManager'
-import { CONFIG } from '../../config'
-import { LOG4JS_BASE_CATEGORY } from '../../config/const'
-import { KeyPairIdentifierLogic } from '../../data/KeyPairIdentifier.logic'
-import { AccountKeyPairRole } from '../../interactions/resolveKeyPair/AccountKeyPair.role'
-import { UserKeyPairRole } from '../../interactions/resolveKeyPair/UserKeyPair.role'
-import { HieroId } from '../../schemas/typeGuard.schema'
-import { CommunityDb, UserDb } from './valibot.schema'
+import { KeyPairCacheManager } from '../../../cache/KeyPairCacheManager'
+import { CONFIG } from '../../../config'
+import { LOG4JS_BASE_CATEGORY } from '../../../config/const'
+import { KeyPairIdentifierLogic } from '../../../data/KeyPairIdentifier.logic'
+import { AccountKeyPairRole } from '../../../interactions/resolveKeyPair/AccountKeyPair.role'
+import { UserKeyPairRole } from '../../../interactions/resolveKeyPair/UserKeyPair.role'
+import { HieroId } from '../../../schemas/typeGuard.schema'
+import { CommunityDb, UserDb } from '../valibot.schema'
 
 const logger = getLogger(`${LOG4JS_BASE_CATEGORY}.migrations.db-v2.7.0_to_blockchain-v3.6.keyPair`)
 
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/database.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/database.ts
index e9851222a..5000a22fc 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/database.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/database.ts
@@ -17,7 +17,7 @@ import {
   userSelectSchema,
   usersTable
 } from './drizzle.schema'
-import { TransactionTypeId } from './TransactionTypeId'
+import { TransactionTypeId } from './data/TransactionTypeId'
 import {
   CommunityDb,
   CreatedUserDb,
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/AbstractBalances.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/AbstractBalances.role.ts
new file mode 100644
index 000000000..f2b2cbaf8
--- /dev/null
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/AbstractBalances.role.ts
@@ -0,0 +1,10 @@
+import { AccountBalances } from 'gradido-blockchain-js'
+
+export class AbstractBalancesRole {
+    public accountBalances: AccountBalances
+
+    public constructor() {
+        this.accountBalances = new AccountBalances()
+    }
+
+}
\ No newline at end of file
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/CreationBalances.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/CreationBalances.role.ts
new file mode 100644
index 000000000..a596832d6
--- /dev/null
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/CreationBalances.role.ts
@@ -0,0 +1,5 @@
+import { AbstractBalancesRole } from './AbstractBalances.role'
+
+export class CreationBalancesRole extends AbstractBalancesRole  {
+    
+}
\ No newline at end of file
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/TransferBalances.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/TransferBalances.role.ts
new file mode 100644
index 000000000..e69de29bb
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/accountBalances.context.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/accountBalances.context.ts
new file mode 100644
index 000000000..348e5a8b6
--- /dev/null
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/accountBalances/accountBalances.context.ts
@@ -0,0 +1,70 @@
+import { InputTransactionType } from '../../../../data/InputTransactionType.enum'
+import { Transaction } from '../../../../schemas/transaction.schema'
+import { Context } from '../../Context'
+import { TransactionDb } from '../../valibot.schema'
+import { AbstractBalancesRole } from './AbstractBalances.role'
+import { CreationBalancesRole } from './CreationBalances.role'
+
+export function accountBalancesContext(transaction: Transaction, dbTransaction: TransactionDb, context: Context) {
+    let role: AbstractBalancesRole | null = null
+    if (InputTransactionType.GRADIDO_CREATION === transaction.type) {
+        role = new CreationBalancesRole()
+    }
+}
+
+/*
+const senderCommunityContext = this.context.getCommunityContextByUuid(item.user.communityUuid)
+    const recipientCommunityContext = this.context.getCommunityContextByUuid(
+      item.linkedUser.communityUuid,
+    )
+    this.context.cache.setHomeCommunityTopicId(senderCommunityContext.topicId)
+    const transaction = transactionDbToTransaction(
+      item,
+      senderCommunityContext.topicId,
+      recipientCommunityContext.topicId,
+    )
+    const accountBalances = new AccountBalances()
+    if (InputTransactionType.GRADIDO_CREATION === transaction.type) {
+      const recipientKeyPair = await ResolveKeyPair(
+        new KeyPairIdentifierLogic(transaction.linkedUser!),
+      )
+      accountBalances.add(new AccountBalance(recipientKeyPair.getPublicKey(), item.balance, ''))
+      // update gmw and auf
+      this.updateGmwAuf(new Decimal(item.amount.toString(4)), item.balanceDate)
+      const communityKeyPair = await ResolveKeyPair(new KeyPairIdentifierLogic({ communityTopicId: senderCommunityContext.topicId }))
+      const gmwKeyPair = communityKeyPair.deriveChild(
+        hardenDerivationIndex(GMW_ACCOUNT_DERIVATION_INDEX),
+      )
+      if (!gmwKeyPair) {
+        throw new GradidoBlockchainCryptoError(
+          `KeyPairEd25519 child derivation failed, has private key: ${communityKeyPair.hasPrivateKey()} for community: ${senderCommunityContext.communityId}`,
+        )
+      }
+      const aufKeyPair = communityKeyPair.deriveChild(
+        hardenDerivationIndex(AUF_ACCOUNT_DERIVATION_INDEX),
+      )
+      if (!aufKeyPair) {
+        throw new GradidoBlockchainCryptoError(
+          `KeyPairEd25519 child derivation failed, has private key: ${communityKeyPair.hasPrivateKey()} for community: ${senderCommunityContext.communityId}`,
+        )
+      }
+      accountBalances.add(new AccountBalance(gmwKeyPair.getPublicKey(), GradidoUnit.fromString(
+        TransactionsSyncRole.gmwBalance!.balance.toString()), ''))
+      accountBalances.add(new AccountBalance(aufKeyPair.getPublicKey(), GradidoUnit.fromString(
+        TransactionsSyncRole.aufBalance!.balance.toString()), ''))
+    } else if (InputTransactionType.REGISTER_ADDRESS === transaction.type) {
+      const recipientKeyPair = await ResolveKeyPair(
+        new KeyPairIdentifierLogic(transaction.user),
+      )
+      accountBalances.add(new AccountBalance(recipientKeyPair.getPublicKey(), GradidoUnit.zero(), ''))
+    } else {
+      // I use the receiving part of transaction pair, so the user is the recipient and the linked user the sender
+      const senderKeyPair = await ResolveKeyPair(
+        new KeyPairIdentifierLogic(transaction.linkedUser!),
+      )
+      const recipientKeyPair = await ResolveKeyPair(
+        new KeyPairIdentifierLogic(transaction.user),
+      )
+      accountBalances.add(new AccountBalance(senderKeyPair.getPublicKey(), item.linkedUserBalance, ''))
+      accountBalances.add(new AccountBalance(recipientKeyPair.getPublicKey(), item.balance, ''))
+      */
\ No newline at end of file
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/TransactionsSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/TransactionsSync.role.ts
index 43e6c2cd7..2ebab70ef 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/TransactionsSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/TransactionsSync.role.ts
@@ -20,8 +20,6 @@ type BalanceDate = {
 export class TransactionsSyncRole extends AbstractSyncRole<TransactionDb> {
   private static transactionLinkCodes = new Set<string>()
   static doubleTransactionLinkCodes: string[] = []
-  static gmwBalance: BalanceDate | undefined = undefined
-  static aufBalance: BalanceDate | undefined = undefined
 
   getDate(): Date {
     return this.peek().balanceDate
@@ -45,23 +43,6 @@ export class TransactionsSyncRole extends AbstractSyncRole<TransactionDb> {
     })
   }
 
-  updateGmwAuf(amount: Decimal, date: Date) {
-    if(!TransactionsSyncRole.gmwBalance) {
-      TransactionsSyncRole.gmwBalance = { balance: amount, date }
-    } else {
-      const oldGmwBalanceDate = TransactionsSyncRole.gmwBalance
-      const newBalance = legacyCalculateDecay(oldGmwBalanceDate.balance, oldGmwBalanceDate.date, date )
-      TransactionsSyncRole.gmwBalance = { balance: newBalance, date }
-    }
-    if(!TransactionsSyncRole.aufBalance) {
-      TransactionsSyncRole.aufBalance = { balance: amount, date }
-    } else {
-      const oldAufBalanceDate = TransactionsSyncRole.aufBalance
-      const newBalance = legacyCalculateDecay(oldAufBalanceDate.balance, oldAufBalanceDate.date, date )
-      TransactionsSyncRole.aufBalance = { balance: newBalance, date }
-    }
-  }
-
   async pushToBlockchain(item: TransactionDb): Promise<void> {
     const senderCommunityContext = this.context.getCommunityContextByUuid(item.user.communityUuid)
     const recipientCommunityContext = this.context.getCommunityContextByUuid(
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/UsersSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/UsersSync.role.ts
index 0d6c79b38..03563468e 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/UsersSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/interaction/syncDbWithBlockchain/UsersSync.role.ts
@@ -1,7 +1,7 @@
 import { addTransaction } from '../../blockchain'
 import { userDbToTransaction } from '../../convert'
 import { loadUsers } from '../../database'
-import { generateKeyPairUserAccount } from '../../keyPair'
+import { generateKeyPairUserAccount } from '../../data/keyPair'
 import { CreatedUserDb } from '../../valibot.schema'
 import { AbstractSyncRole } from './AbstractSync.role'
 
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts
index f7d66b6ff..aa4a34685 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.5/valibot.schema.ts
@@ -8,7 +8,8 @@ import {
   memoSchema,
   uuidv4Schema,
 } from '../../schemas/typeGuard.schema'
-import { TransactionTypeId } from './TransactionTypeId'
+import { TransactionTypeId } from './data/TransactionTypeId'
+import { Balance } from './data/Balance'
 
 export const createdUserDbSchema = v.object({
   id: v.pipe(v.number(), v.minValue(1)),
@@ -81,6 +82,8 @@ export const communityContextSchema = v.object({
     v.maxLength(512, 'expect string length <= 512'),
     v.regex(/^[a-zA-Z0-9-_]+$/, 'expect string to be a valid (alphanumeric, _, -) folder name'),
   ),
+  gmwBalance: v.instance(Balance),
+  aufBalance: v.instance(Balance),
 })
 
 export type TransactionDb = v.InferOutput<typeof transactionDbSchema>
@@ -88,4 +91,5 @@ export type UserDb = v.InferOutput<typeof userDbSchema>
 export type CreatedUserDb = v.InferOutput<typeof createdUserDbSchema>
 export type TransactionLinkDb = v.InferOutput<typeof transactionLinkDbSchema>
 export type CommunityDb = v.InferOutput<typeof communityDbSchema>
+export type Balance = v.InferOutput<typeof balanceSchema>
 export type CommunityContext = v.InferOutput<typeof communityContextSchema>