Most entrepreneurs think the hardest part of building a company is the product. For Jim McKelvey — co-founder of Square — the hardest part was the system around the product. Because Square wasn’t just competing with other startups … It was competing with regulations, middlemen, entrenched networks, and monopolies designed to keep outsiders out. In this episode, Jim shares the mindset and tactics that helped Square go from a tiny card reader that processed credit card payments … to a company—now known as Block— that generates over $10 billion in gross profit. What You’ll Le...