What are the problems with futures contracts?

Could you elaborate on the issues surrounding futures contracts? I'm particularly interested in understanding the challenges associated with their execution and management. For instance, how do fluctuations in market prices affect the performance of these contracts? Additionally, what measures are typically taken to mitigate risks such as liquidity shortages or counterparty defaults? Moreover, I'm curious about the complexities involved in pricing futures contracts accurately, given the various factors that can influence their value. Could you also discuss any regulatory challenges or compliance issues that may arise in the futures market? Lastly, I'd like to hear your thoughts on how technological advancements might be shaping the future of futures trading.