Lessons How does a bitcoin transaction really work? What is the purpose of bitcoin mining? What exactly is the blockchain? What is cryptography and why does bitcoin use it? What is a wallet and how does it work? What’s the difference between a wallet and exchange? Need more help?We would love to help you get started using bitcoin, or just answer any questions you might have! Ask a Question Ask a Question Email * What do you need help with? * Thanks for your interest, we’ll get back to you ASAP!
