That's why don't you ever ever trust easily in bitcoin. You should know more first before engaging with cryptocurrency. Having a lot of knowledge and experience is important for you to know the do's and dont's in cryptocurrency.
Scammers are professionals in fooling people and take their money without even being caught by the internet society. They are expert in taking your money instantly and it is because of your cooperation. So in the first place, try not to have a transaction with a people with least personal information.
Although Bittcoin is stable and the King of cryptocurrency still we should be careful on it, make sure that we are updated all the time, we should always check the news, how market and whales behave as we really don't know what's on their mind. But of course don't too much worry when it is happen, be calm and study the market well.