EU contests have prizes such as NDB from brokers, so you have to try 2x.
when winning a contest get capital only, and must trade in order to get profit that can be withdrawn
The terms are stated clearly. And examples were given. There are links all over the forum too pointing to the new terms. For example, in the news section.
This is much better than a 'No Deposit Bonus'. These bonuses have all kinds of rules. No broker who wants to operate in the long-term will give you free trading money and let you walk away with profit. You would have wasted their time, used their infrastructure, and taken their money. There are always terms to 'No Deposit Bonuses'. With this Forex Zone contest, you receive $100 into your account. You are free to trade however you want and for as long as you want. There are no strict rules to follow. You can then withdraw profit with no strict conditions. Unlike NDB which have rules such as how you can trade, how many lots need traded, and so on.
I did not make you stop trading. You could have traded to $10000 profit and sent back the original $100. You would have received $9900 in Bitcoin then! What 'No Deposit Bonus' broker would ever do that?