What is paper bitcoin?
Could you elaborate on the concept of paper bitcoin? Is it a physical representation of digital bitcoins, or is it a separate entity? If it's a physical representation, how does it work and what's its purpose? Are there any risks associated with using paper bitcoin compared to digital bitcoins? Additionally, is it widely accepted as a payment method, and if not, why? Understanding the nuances of paper bitcoin would help me navigate the cryptocurrency world more effectively.