Junk Explained: Is It Even Worth Investing In Bitcoin In 2021? What's the difference between a Bitcoin and a Shitcoin? What is cryptocurrency? We missed you too. Sign up to our newsletter, and follow us on Instagram and Twitter, so you always know where to find us. Bitcoin has been around for over a decade now, but a lot of people are still confused about what it actually… is. Some think it’s the way of the future and will replace money and how we spend it. Others compare it to the Dutch Tulip Bubble back in the 1600s that had people paying eye watering amounts for flower bulbs.