How many different styles of authentic recitation are there in the quran?

There are ten recognized styles of authentic recitation, known as "Qira'at," in the Quran. Each style has its unique rules of pronunciation, intonation, and sometimes even slight variations in Wording. These recitations are attributed to various scholars and have been transmitted through established chains of narration. The most widely used recitation is that of Hafs on the authority of Asim.