@ Mufid:
Exness broker is one of the brokers regulated by a credible international regulatory body, namely CA UK. As far as we know, they have quite a lot of clients in Indonesia.
Regarding Exness broker, please read: Exness Broker Profile and Review
To find out if there is fraud in a broker, we think we have to work at the broker so we know the actual operational methods of the broker. Just based on hearsay cannot be justified. In our opinion, what we hold onto is the regulation. If it is properly regulated, then it is worth trading.