True, for now, but there are plenty of other sites where you are required to send copies of passport or driver's licences if you are sending or receiving money . I dont think its beyond the realms of possibility that PayPal would start doing the same (or be forced to!) especially if the amount of news about counterfeit goods on ebay/ online in general carries on. Obviously its not in their interest- stock price, but legally its got to happen sooner or later.
I wouldnt worry about our ID cards- we are in the UK! our gvt couldnt organise a piss up in a brewery, it will take them years to sort that out
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