read this case study: Blockchain and Cryptocurrency Thwarts Poly Network Theft and answer these questions (approximately one-third to one-half page long) for each of the following questions 1. Do you believe the emergence of cryptocurrency has made it easier for bad actors to engage in criminal activity such as cybercrime?

2. Describe the difference between a liquidity pool and a centralized cryptocurrency exchange.

3. By August 25, 2021, all of the cryptocurrency that the hacker stole had been returned. The hacker stated that they were simply trying to display a vulnerability in the Poly Network program and never intended to keep the cryptocurrency. Do you believe the hacker? Why or why not?