Is Profiforex an ECN broker?
Yes Profiforex is an ECN broker and offers STP execution

Do you have Market or instant Execution?
Profiforex have both Instant and Market Execution CFD /Metals and five digit pair orders are executed with market execution while. Forex instruments with 4 digit quotes are executed with instant execution.

Forex is the interbank market. It is obvious that big banks are interested in big sums. How can I trade on Forex with only $1???
Everything is quite easy. The thing is that no broker (us included) can provide you with the direct access to the Forex market. We introduce the total volume on the market. Your transactions are summarized and delivered to the contractor bank, which receives a part of the spread. We keep the other part of the spread as a payment for transferring money. You are really trading on the Forex market, and with our assistance you're getting your profit from banks - market makers.

Is Scalping and hedging Allowed?
Yes scalping is allowed with notice that Orders of less than 1 minute are not allowed and the deals will be cancelled if they last less than 1 minute.

We use STP technology for executing your orders It means that we provide access to the interbank market without passing orders through dealing desk.

3.7 When fulfilling trading transactions, the mechanism of “instant execution” or “market execution” is used.
3.18 Orders execution at interbank quotations
The Client acknowledges that his/her orders made on interbank quotations must be executed at the prices of the real market. Along with that the orders bigger than 0.1 standard lot are forwarded through STP directly while orders of less than 0.1 standard lot are forwarded to the interbank market in the aggregated position every few minutes.
7.3 The Client who trades using expert advisors that try to trade on distant quotes and overload the server hereby accepts the following statements:
- The basis for the entire system of receiving inquiries is to receive and process traders’ inquiries as quickly as possible;
- If the advisor opens positions outside the current quotations and/or trades on distant quotes using specific characters of the server settings or errors in MetaTrader 4 security (that should be written in server logs), then server will automatically correct such inquiries (after a while);
- Anyone who uses pipsing expert advisors (opening/closing within a few minutes and making large numbers of inquiries) accepts the above statements at his/her own risk;
3.13 The Company, as well as the Client can change opening/closing prices of the deals at any time according to the tick quotations of Dukascopy (Swiss Forex Bank).