I will teach you how to find the necessary information in just a few minutes. You go to
https://www.youtube.com / and in the search bar you write: "Fibonacci Trading Strategy". If you still have questions and a desire to read, you can ask them at
https://www.google.com/Unfortunately, YouTube videos are overly optimistic or are not specifically dedicated to Bitcoin, it is better to listen to several channels before starting trading, and using Fibonacci alone does not guarantee that you will get good results because it is an indicator and it is used with several indicators before making a decision to buy or sell, so without Knowing technical analysis indicators and support and resistance levels, you will not be able to make the right decision from a single trading indicator.
trading cryptocurrencies is completely different from trading in the stock market, as with time you know when the indicators are a good measure for trading, when the price of 200-Week MA was broken, it was an excellent opportunity to buy for everyone who is good at technical analysis.
As a beginner, the best advice is to learn, stay away from short-term trading, and use DCA if you do not know how to make a decision.