Scalping is part of the trading system, like a university, so Scalping is a major that traders are interested in. However, it is undeniable that there are some Brokers who forbid the use of this technique. There is a possibility that this could be detrimental to the broker. There are also Martingale, Averiging, and hedging techniques. There are/requested by traders, besides that there are also some brokers who prohibit the use of this technique.