He deduced that the other party didn't know the formula. He had deduced it from the paper itself and tried it again and again before it appeared. From this, it could be seen that the person who had made the move had reached the sixth level of refining techniques. Only then could he achieve all of this.
It was also easy to crack it. He could make a special potion and put the fake banknotes inside. The Silver Hemp Grass would lose its effect and the stench would spread out, allowing him to judge whether it was real or fake.
Other than that.
The serial number was also a big problem. How could an ordinary person get a hundred of them together?
After confirming that the case was real, he placed the banknote on the table and ordered,"Tell me the truth."
Zhao You Cai recounted everything that had happened in detail.
Zhang Ronghua waved his hand, signaling Mo Qi 'an to bring him in.