What happens if you use too much flux?

In the realm of cryptocurrency mining and electronics soldering, flux plays a crucial role in ensuring a smooth and secure bond. But I must ask, what happens if one uses too much flux in these applications? Does it enhance the bonding process, or does it create potential issues? Could it lead to overheating, electrical shorts, or even damage to the delicate components? Understanding the consequences of excessive flux usage is crucial for both miners seeking optimal performance and electronics enthusiasts aiming for precision soldering. So, how does too much flux affect these delicate operations?