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Full anonymity bitcoin-transaction impossible
This conclusion was made by scientists from Princeton University. The corresponding report they published on the website of Cornell University.
It turned out that ordinary cookies help to identify the transaction. Scientists have found out that the information from them is often passed on to third parties. For example, online stores require the user to accept these files.Of the 130 stores that accept bitcoins for payment, 53 distribute information about the payment. And it happens at the moment when we send the goods to the basket. It is hardly necessary to say that data transmission is an accident. Information about purchases is important for marketers and analysts.Scientists have resulted some more numbers: 107 from sites participating in experiment sent the data to the third parties; 104 shared stories of shopping for fiat money; 31 sites allowed access to the bitcoin-addresses of users, 30 stores distributed information about the amounts of transactions.