Use groups to lure people into investing a lot of money, and then teach the operation once to lose all the funds, and later find out that their platform's trend are controlled by themselves

A lot of people are bragging in the group and pretending to deposit. Some teachers are teaching operations to make you win a lot of money. They let you withdraw a small amount of money for the first time, and then trick you into investing a lot of money. Then, they will manipulate from the backstage to slip and make you lose everything in once. The website will changed and wont let you find the platform..