diff --git a/rosetta-cli-conf/mainnet/config.json b/rosetta-cli-conf/mainnet/config.json
index 2c0b8f5..69c25a1 100644
--- a/rosetta-cli-conf/mainnet/config.json
+++ b/rosetta-cli-conf/mainnet/config.json
@@ -7,7 +7,7 @@
  "http_timeout": 300,
  "max_retries": 5,
  "retry_elapsed_time": 0,
- "max_online_connections": 0,
+ "max_online_connections": 1000,
  "max_sync_concurrency": 0,
  "tip_delay": 1800,
  "log_configuration": false,
diff --git a/rosetta-cli-conf/testnet/config.json b/rosetta-cli-conf/testnet/config.json
index 7591bb5..ea1b75d 100644
--- a/rosetta-cli-conf/testnet/config.json
+++ b/rosetta-cli-conf/testnet/config.json
@@ -7,7 +7,7 @@
  "http_timeout": 300,
  "max_retries": 5,
  "retry_elapsed_time": 0,
- "max_online_connections": 0,
+ "max_online_connections": 1000,
  "max_sync_concurrency": 0,
  "tip_delay": 1800,
  "log_configuration": false,
diff --git a/services/block_service.go b/services/block_service.go
index 7eb76ed..b837765 100644
--- a/services/block_service.go
+++ b/services/block_service.go
@@ -54,6 +54,22 @@ func (s *BlockAPIService) Block(
 		return nil, wrapErr(ErrBlockNotFound, err)
 	}
 
+	txs := make([]*types.Transaction, len(blockResponse.OtherTransactions))
+	for i, otherTx := range blockResponse.OtherTransactions {
+		transaction, err := s.i.GetBlockTransaction(
+			ctx,
+			blockResponse.Block.BlockIdentifier,
+			otherTx,
+		)
+		if err != nil {
+			return nil, wrapErr(ErrTransactionNotFound, err)
+		}
+
+		txs[i] = transaction
+	}
+	blockResponse.Block.Transactions = txs
+
+	blockResponse.OtherTransactions = nil
 	return blockResponse, nil
 }
 
@@ -62,20 +78,5 @@ func (s *BlockAPIService) BlockTransaction(
 	ctx context.Context,
 	request *types.BlockTransactionRequest,
 ) (*types.BlockTransactionResponse, *types.Error) {
-	if s.config.Mode != configuration.Online {
-		return nil, wrapErr(ErrUnavailableOffline, nil)
-	}
-
-	transaction, err := s.i.GetBlockTransaction(
-		ctx,
-		request.BlockIdentifier,
-		request.TransactionIdentifier,
-	)
-	if err != nil {
-		return nil, wrapErr(ErrTransactionNotFound, err)
-	}
-
-	return &types.BlockTransactionResponse{
-		Transaction: transaction,
-	}, nil
+	return nil, ErrUnimplemented
 }
diff --git a/services/block_service_test.go b/services/block_service_test.go
index 9510e9f..8f7787b 100644
--- a/services/block_service_test.go
+++ b/services/block_service_test.go
@@ -40,8 +40,8 @@ func TestBlockService_Offline(t *testing.T) {
 
 	blockTransaction, err := servicer.BlockTransaction(ctx, &types.BlockTransactionRequest{})
 	assert.Nil(t, blockTransaction)
-	assert.Equal(t, ErrUnavailableOffline.Code, err.Code)
-	assert.Equal(t, ErrUnavailableOffline.Message, err.Message)
+	assert.Equal(t, ErrUnimplemented.Code, err.Code)
+	assert.Equal(t, ErrUnimplemented.Message, err.Message)
 
 	mockIndexer.AssertExpectations(t)
 }
@@ -54,51 +54,49 @@ func TestBlockService_Online(t *testing.T) {
 	servicer := NewBlockAPIService(cfg, mockIndexer)
 	ctx := context.Background()
 
-	block := &types.Block{
+	rawBlock := &types.Block{
 		BlockIdentifier: &types.BlockIdentifier{
 			Index: 100,
 			Hash:  "block 100",
 		},
 	}
 
-	blockResponse := &types.BlockResponse{
-		Block: block,
-		OtherTransactions: []*types.TransactionIdentifier{
-			{
-				Hash: "tx1",
-			},
-		},
-	}
-
 	transaction := &types.Transaction{
 		TransactionIdentifier: &types.TransactionIdentifier{
 			Hash: "tx1",
 		},
 	}
 
+	block := &types.Block{
+		BlockIdentifier: &types.BlockIdentifier{
+			Index: 100,
+			Hash:  "block 100",
+		},
+		Transactions: []*types.Transaction{
+			transaction,
+		},
+	}
+
+	blockResponse := &types.BlockResponse{
+		Block: block,
+	}
+
 	t.Run("nil identifier", func(t *testing.T) {
 		mockIndexer.On(
 			"GetBlockLazy",
 			ctx,
 			(*types.PartialBlockIdentifier)(nil),
 		).Return(
-			blockResponse,
+			&types.BlockResponse{
+				Block: rawBlock,
+				OtherTransactions: []*types.TransactionIdentifier{
+					{
+						Hash: "tx1",
+					},
+				},
+			},
 			nil,
 		).Once()
-		b, err := servicer.Block(ctx, &types.BlockRequest{})
-		assert.Nil(t, err)
-		assert.Equal(t, blockResponse, b)
-	})
-
-	t.Run("populated identifier", func(t *testing.T) {
-		pbIdentifier := types.ConstructPartialBlockIdentifier(block.BlockIdentifier)
-		mockIndexer.On("GetBlockLazy", ctx, pbIdentifier).Return(blockResponse, nil).Once()
-		b, err := servicer.Block(ctx, &types.BlockRequest{
-			BlockIdentifier: pbIdentifier,
-		})
-		assert.Nil(t, err)
-		assert.Equal(t, blockResponse, b)
-
 		mockIndexer.On(
 			"GetBlockTransaction",
 			ctx,
@@ -108,12 +106,42 @@ func TestBlockService_Online(t *testing.T) {
 			transaction,
 			nil,
 		).Once()
-		blockTransaction, err := servicer.BlockTransaction(ctx, &types.BlockTransactionRequest{
-			BlockIdentifier:       blockResponse.Block.BlockIdentifier,
-			TransactionIdentifier: transaction.TransactionIdentifier,
+		b, err := servicer.Block(ctx, &types.BlockRequest{})
+		assert.Nil(t, err)
+		assert.Equal(t, blockResponse, b)
+	})
+
+	t.Run("populated identifier", func(t *testing.T) {
+		pbIdentifier := types.ConstructPartialBlockIdentifier(block.BlockIdentifier)
+		mockIndexer.On(
+			"GetBlockLazy",
+			ctx,
+			pbIdentifier,
+		).Return(
+			&types.BlockResponse{
+				Block: rawBlock,
+				OtherTransactions: []*types.TransactionIdentifier{
+					{
+						Hash: "tx1",
+					},
+				},
+			},
+			nil,
+		).Once()
+		mockIndexer.On(
+			"GetBlockTransaction",
+			ctx,
+			blockResponse.Block.BlockIdentifier,
+			transaction.TransactionIdentifier,
+		).Return(
+			transaction,
+			nil,
+		).Once()
+		b, err := servicer.Block(ctx, &types.BlockRequest{
+			BlockIdentifier: pbIdentifier,
 		})
 		assert.Nil(t, err)
-		assert.Equal(t, transaction, blockTransaction.Transaction)
+		assert.Equal(t, blockResponse, b)
 	})
 
 	mockIndexer.AssertExpectations(t)