diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/blockchain.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/blockchain.ts
index ffff61f1a..fe7dbd62c 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/blockchain.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/blockchain.ts
@@ -4,8 +4,10 @@ import {
   GradidoTransaction,
   HieroAccountId,
   InMemoryBlockchain,
+  InMemoryBlockchainProvider,
   LedgerAnchor,
   Profiler,
+  TransactionEntry,
 } from 'gradido-blockchain-js'
 import { NotEnoughGradidoBalanceError } from './errors'
 
@@ -38,6 +40,9 @@ export function addToBlockchain(
         throw new NotEnoughGradidoBalanceError(needed, exist)
       }
     }
+    // const wekingheim = InMemoryBlockchainProvider.getInstance().getBlockchain('wekingheim')
+    // const lastTransactionw = wekingheim?.findOne(Filter.LAST_TRANSACTION)
+
     const lastTransaction = blockchain.findOne(Filter.LAST_TRANSACTION)    
     throw new Error(`Transaction ${transaction.toJson(true)} not added: ${error}, last transaction was: ${lastTransaction?.getConfirmedTransaction()?.toJson(true)}`)
   }
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/bootstrap.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/bootstrap.ts
index c1f5bc1ae..3ffad58c8 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/bootstrap.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/bootstrap.ts
@@ -1,5 +1,5 @@
 import { randomBytes } from 'node:crypto'
-import { Abstract, AccountBalances, GradidoTransactionBuilder, InMemoryBlockchain, InMemoryBlockchainProvider, LedgerAnchor } from 'gradido-blockchain-js'
+import { AccountBalances, GradidoTransactionBuilder, InMemoryBlockchainProvider, LedgerAnchor } from 'gradido-blockchain-js'
 import * as v from 'valibot'
 import { CONFIG } from '../../config'
 import { deriveFromSeed } from '../../data/deriveKeyPair'
@@ -33,7 +33,7 @@ async function bootstrapCommunities(context: Context): Promise<Map<string, Commu
     } else {
       communityNames.add(alias)
     }
-    const blockchain = InMemoryBlockchainProvider.getInstance().findBlockchain(alias)
+    const blockchain = InMemoryBlockchainProvider.getInstance().getBlockchain(alias)
     if (!blockchain) {
       throw new Error(`Couldn't create Blockchain for community ${alias}`)
     }
@@ -59,12 +59,12 @@ async function bootstrapCommunities(context: Context): Promise<Map<string, Commu
     const builder = new GradidoTransactionBuilder()
     builder
       .setCreatedAt(creationDate)
+      .setSenderCommunity(alias)
       .setCommunityRoot(
         communityKeyPair.getPublicKey(),
         gmwKeyPair.getPublicKey(),
         aufKeyPair.getPublicKey(),
-      )
-      .setSenderCommunity(alias)
+      )      
       .sign(communityKeyPair)
 
     const communityContext: CommunityContext = {
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/CreationsSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/CreationsSync.role.ts
index 589c65423..cb4e9ca14 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/CreationsSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/CreationsSync.role.ts
@@ -93,6 +93,7 @@ export class CreationsSyncRole extends AbstractSyncRole<CreationTransactionDb> {
   ): GradidoTransactionBuilder {
     return this.transactionBuilder    
       .setCreatedAt(item.confirmedAt)
+      .setRecipientCommunity(communityContext.communityId)
       .addMemo(
         new EncryptedMemo(
           item.memo,
@@ -104,7 +105,6 @@ export class CreationsSyncRole extends AbstractSyncRole<CreationTransactionDb> {
         new TransferAmount(recipientKeyPair.getPublicKey(), item.amount, communityContext.communityId),
         item.contributionDate,
       )
-      .setRecipientCommunity(communityContext.communityId)
       .sign(signerKeyPair)
   }
 
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/DeletedTransactionLinksSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/DeletedTransactionLinksSync.role.ts
index 4eb338d37..7e609ff2c 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/DeletedTransactionLinksSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/DeletedTransactionLinksSync.role.ts
@@ -89,6 +89,7 @@ export class DeletedTransactionLinksSyncRole extends AbstractSyncRole<DeletedTra
     ): GradidoTransactionBuilder {
       return this.transactionBuilder
         .setCreatedAt(item.deletedAt)
+        .setSenderCommunity(communityContext.communityId)
         .setRedeemDeferredTransfer(
           linkFundingTransactionNr,
           new GradidoTransfer(
@@ -96,7 +97,6 @@ export class DeletedTransactionLinksSyncRole extends AbstractSyncRole<DeletedTra
             linkFundingPublicKey,
           ),
         )
-        .setSenderCommunity(communityContext.communityId)
         .sign(senderKeyPair)
   }
 
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/LocalTransactionsSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/LocalTransactionsSync.role.ts
index 735d16b7a..98f735b55 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/LocalTransactionsSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/LocalTransactionsSync.role.ts
@@ -97,11 +97,11 @@ export class LocalTransactionsSyncRole extends AbstractSyncRole<TransactionDb> {
             new AuthenticatedEncryption(recipientKeyPair),
           ),
         )
+        .setSenderCommunity(communityContext.communityId)
         .setTransactionTransfer(
           new TransferAmount(senderKeyPair.getPublicKey(), item.amount, communityContext.communityId),
           recipientKeyPair.getPublicKey(),
         )
-        .setSenderCommunity(communityContext.communityId)
         .sign(senderKeyPair)
   }
 
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RedeemTransactionLinksSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RedeemTransactionLinksSync.role.ts
index 0134c7b6d..e6d9d0c75 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RedeemTransactionLinksSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RedeemTransactionLinksSync.role.ts
@@ -103,6 +103,7 @@ export class RedeemTransactionLinksSyncRole extends AbstractSyncRole<RedeemedTra
             new AuthenticatedEncryption(recipientKeyPair),
           ),
         )
+        .setSenderCommunity(communityContext.communityId)
         .setRedeemDeferredTransfer(
           linkFundingTransactionNr,
           new GradidoTransfer(
@@ -110,7 +111,6 @@ export class RedeemTransactionLinksSyncRole extends AbstractSyncRole<RedeemedTra
             recipientKeyPair.getPublicKey(),
           ),
         )
-        .setSenderCommunity(communityContext.communityId)
         .sign(senderKeyPair)
   }
 
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RemoteTransactionsSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RemoteTransactionsSync.role.ts
index 915403031..d2d01925a 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RemoteTransactionsSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/RemoteTransactionsSync.role.ts
@@ -93,12 +93,12 @@ export class RemoteTransactionsSyncRole extends AbstractSyncRole<TransactionDb>
             new AuthenticatedEncryption(recipientKeyPair),
           ),
         )
+        .setSenderCommunity(senderCommunityId)
+        .setRecipientCommunity(recipientCommunityId)
         .setTransactionTransfer(
           new TransferAmount(senderKeyPair.getPublicKey(), item.amount, senderCommunityId),
           recipientKeyPair.getPublicKey(),
-        )
-        .setSenderCommunity(senderCommunityId)
-        .setRecipientCommunity(recipientCommunityId)
+        )        
         .sign(senderKeyPair)
   }
 
@@ -165,6 +165,9 @@ export class RemoteTransactionsSyncRole extends AbstractSyncRole<TransactionDb>
       recipientCommunityContext.communityId
     )
     const outboundTransaction = transactionBuilder.buildOutbound()
+    console.log(ledgerAnchor.toJson(true))
+    console.log(outboundTransaction.toJson(true))
+    console.log("outbound coin color: %d", outboundTransaction.getTransactionBody()?.getTransferAmount().getCoinCommunityIdIndex())
 
     try {
       addToBlockchain(
@@ -181,6 +184,8 @@ export class RemoteTransactionsSyncRole extends AbstractSyncRole<TransactionDb>
     }
     transactionBuilder.setParentLedgerAnchor(ledgerAnchor)
     const inboundTransaction = transactionBuilder.buildInbound()
+    console.log(inboundTransaction.toJson(true))
+    console.log("inbound coin color: %d", inboundTransaction.getTransactionBody()?.getTransferAmount().getCoinCommunityIdIndex())
     try {
       addToBlockchain(
         inboundTransaction,
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/TransactionLinkFundingsSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/TransactionLinkFundingsSync.role.ts
index 167de11ae..ddbddd9d4 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/TransactionLinkFundingsSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/TransactionLinkFundingsSync.role.ts
@@ -87,14 +87,14 @@ export class TransactionLinkFundingsSyncRole extends AbstractSyncRole<Transactio
           new AuthenticatedEncryption(recipientKeyPair),
         ),
       )
+      .setSenderCommunity(communityContext.communityId)
       .setDeferredTransfer(
         new GradidoTransfer(
           new TransferAmount(senderKeyPair.getPublicKey(), blockedAmount, communityContext.communityId),
           recipientKeyPair.getPublicKey(),
         ),
         duration,
-      )
-      .setSenderCommunity(communityContext.communityId)
+      )      
       .sign(senderKeyPair)
   }
 
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/UsersSync.role.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/UsersSync.role.ts
index b335708af..ae4dc6d36 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/UsersSync.role.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/UsersSync.role.ts
@@ -72,13 +72,13 @@ export class UsersSyncRole extends AbstractSyncRole<UserDb> {
   ): GradidoTransactionBuilder {
     return this.transactionBuilder
       .setCreatedAt(item.createdAt)
+      .setSenderCommunity(communityContext.communityId)
       .setRegisterAddress(
         userKeyPair.getPublicKey(),
         AddressType_COMMUNITY_HUMAN,
         new Uuidv4Hash(item.gradidoId).getAsMemoryBlock(),
         accountKeyPair.getPublicKey(),
       )
-      .setSenderCommunity(communityContext.communityId)
       .sign(communityKeyPair)
       .sign(accountKeyPair)
       .sign(userKeyPair)
diff --git a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/syncDbWithBlockchain.context.ts b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/syncDbWithBlockchain.context.ts
index 024836aa0..833b7d6f8 100644
--- a/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/syncDbWithBlockchain.context.ts
+++ b/dlt-connector/src/migrations/db-v2.7.0_to_blockchain-v3.7/interaction/syncDbWithBlockchain/syncDbWithBlockchain.context.ts
@@ -24,7 +24,7 @@ export async function syncDbWithBlockchainContext(context: Context, batchSize: n
     new RedeemTransactionLinksSyncRole(context),
     new ContributionLinkTransactionSyncRole(context),
     new DeletedTransactionLinksSyncRole(context),
-    // new RemoteTransactionsSyncRole(context),
+    new RemoteTransactionsSyncRole(context),
   ]
   let transactionsCount = 0
   let transactionsCountSinceLastLog = 0
diff --git a/dlt-connector/src/schemas/typeConverter.schema.test.ts b/dlt-connector/src/schemas/typeConverter.schema.test.ts
index 5420de106..a46341599 100644
--- a/dlt-connector/src/schemas/typeConverter.schema.test.ts
+++ b/dlt-connector/src/schemas/typeConverter.schema.test.ts
@@ -102,6 +102,5 @@ describe('basic.schema', () => {
     )
     expect(confirmedTransaction.getId()).toBe(7)
     expect(confirmedTransaction.getConfirmedAt().getSeconds()).toBe(1609464130)
-    expect(confirmedTransaction.getVersionNumber()).toBe('3.5')
   })
 })