The internet revolutionized how we communicate and exchange information. Now, it’s causing the ways in which we invest and spend money to change, laying the foundation for cryptocurrency. How this digital currency functions—much like the inner workings of the internet itself—is invisible to most. But the ongoing explosion of interest and investment in cryptocurrency is undeniable. In September, El Salvador became the first country to accept Bitcoin as legal tender. Meanwhile, China announced a ban on all crypto trading and mining.  So what exactly is cryptocurrency, and how risky is it to invest in it? Is the future of money heading in a digital direction? With help from innovators paving the way for the future of money in a digital world, Dr. Alok Patel learns what the hype is all about. Learn more about NOVA and subscribe to our YouTube channel.