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Bitcoin is the most common virtual currency. It moves around the world quickly and anonymously via the web without the need for third-party verification. So should we assume that Bitcoin or its like other digital currencies are being used to fund the so-called Islamic State or Daesh? I asked Professor Alan Woodward of the Centre for Cyber Security at the University of Surrey in the UK.
It's a presumption rather than an assumption. A standard policing technique is called "follow the money." So when you want to find out, for example, you've got Daesh selling barrels of oil somewhere, how do you follow the money back? When you try and follow it, suddenly you realise actually it's out of the banking system. It's done. It's either used banknotes or somebody's using a digital currency. And the problem of used banknotes is they're actually quite difficult to transport in bulk. So the presumption has to be, they're using some form of digital currency.
But would it necessarily be Bitcoin, or would it be one of the many other digital currencies?
That's the problem. It could be one of the many digital currencies. Bitcoin, it might very well not be Bitcoin. One of the things we've had some success with is there's been a kind of academic work done on Bitcoin in that we've shown that you can actually trace some Bitcoin. Part of the problem, take a step back, was one of the problems of Bitcoin is a bit like a Swiss bank account, where you're sending the money just from one obscure number to another. You don't really know who sits behind those numbers. | 
发表于 2016-12-7 19:35:47