1. What do you think about the influence of bitcoins on the worldwide economy?
Bitcoin has more an individual impact on the lives of its adopters than a global impact on the economy. Crypto market isn't big enough compared to traditional markets and to the total sum of money in the world, accordingly to the graphic below:
How much money is in the world?
2. Do you believe that Bitcoin will one day replace traditional currencies?
No, due to its decentralized and volatile nature. People are looking for safety and stability when dealing with money, so they tend to adopt centralized currencies as traditional ones, even though they are losing purchasing power on long term to inflation.3. Do you believe that bitcoin will unquestionably displace current financial and economic systems?
No, due to the same reason mentioned above. Bitcoin isn't a threat to anything. It's just an additional alternative for common citizens who have been finding themselves opressed by fiat currencies' depreciation and lack of profitable investments for minor investors.