Forex miner EA 3.0 is profitable that many hacked versions are on the internet. In my opinion , cracked version can be dangerous. Developer may have put in some algo to protect it from hackers. Anything can be hacked but has it been tested well? The developer has a better version V 4.0 on the MQL5 marketplace. He is selling it cheap and has no bugs that I know off. It has an advance feature of hedging. You will take a chance with cracked programs. Some I bought , some were shared but some do not work , some have bugs. You take chances. So i just paid the freaking $49 and I get to talk to the developer. Your choice. I am not a programmer but one told me he uses a server to prevent hacking. A DLL extension is required so it can render EAs unworkable on real account.