It usually ranges from harmful martingale, to scalpers on a demo account, to blown accounts that haven’t been up-to-date to reflect that. Typically best to prevent any EA with a purple flag warning. Demo account = A demo account is often called a Participate in funds account (phony income). https://expert-advisor-mt4-free-d42974.topbloghub.com/35893366/gold-mining-ea-myfxbook-an-overview