 After this a very intricate system based on the position of the coins with Bagua, and the Five elements would be used for divination, the Tang dynasty "Kai Yuan Tong Bao" (開元通寶) coin was the most preferred coin for this usage.Contemporary Chinese intelligentsia found the usage of cash coins for fortune-telling to be superior than any other methods.Other than fortune-telling cash coins were also believed to hold “curing powers” in Traditional Chinese medicine, one method of using cash coins for “medicine” was boiling them in water and let the patient consume that water.