## Appendix A Questionnaire  
Question 1: Do you own Bitcoin or have you owned it in the past? Question 2: On a scale from 0 (\"no knowledge at all\") to 10 (\"expert\"), how high would you rate your knowledge about Bitcoin? Question 3: What is your general attitude toward Bitcoin? (\"0 I am totally against\" it to \"10 I am totally in favor of it\")? Question 4: Name any positive effects of Bitcoin (if any). Question 5: What is the most extreme positive effect that Bitcoin can have (if any)? Question 6: Name any negative effects of Bitcoin (if any). Question 7: What is the most extreme negative effect that Bitcoin can have (if any)? Question 8: Rate Bitcoin on the following attributes (from \"0 not at all\" to \"10 excellent\"):  
1. Useful as a medium of exchange (i.e., a payment system),
2. Useful as a story of value,
3. Trustworthy,
4. Risky. Demographics Age: Gender: Occupation:
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