Quote Originally Posted by Sendo12 View Post
From the latest study in Cambridge University, the estimate is 2.9M to 5.8M active users. It is possible that the real number is so much higher than this estimate. You would notice the big gap in this range because there is really no way to know the exact number of Bitcoin users. And perhaps, it would continue to grow in the coming years.
That's actually just the estimate for the ACTIVE users. Buy-and-hold investors or HODLers are disregarded. And according to Coinbase, it has 13million users. It could be assumed that there are more users outside of Coinbase and the rough estimate is around 20million users across 32 countries.