The idea for the survey comes from the never-ending news that 10-20% of the people in a country are holding coins.
As I truly believe those numbers are at least overhypermega inflated, I tried to picture a survey that would shed some light on a larger
I agree this number is overhyped. But I know about 10-20 people who have bought BTC, many of them already sold (in loss)in Brazil.
However, I have many friends who are really engaged in investments, so my statics may be higher than normal.
Additionally, I believe that many more people are buying bitcoin but I just don't know (this is a private subject, not something public that everyone talks about)