Having looked into economics and how central banks work, there are no pros, only cons of a common currency, let alone any modern currency. (politics.stackexchange.com)
Only con for me are items and some pressure pads are very hard to see. (allpcgame.net)
Recently I bought lenovo k6 power for 8100 with sbi credit card it is really amazing and excellent device compare to redmi 3s prime only con in k6 power is IR blaster missing and in real world usage I got better battery back up compare to redmi 3s prime and my device had no problems so far and dolby atmos sound is excellent and super full hd display (gogi.in)