Blockchain.info and CoinBase.com each claim to have over a million users. Interestingly, this article estimates there are only around 500,000 unique owners of bitcoin in aggregate.
Bitcoins, in case you hadn’t noticed, are quite a big deal at the moment. A lot of people are talking about them, there’s a lot of noise in the media and a whole lot of momentum building behind them on the web. But a while back I got to wondering: how many people actually own bitcoins?