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Amazon Wins Patent for Data Stream to ‘Identify’ Bitcoin Users for Law Enforcement

Published: April 18, 2018
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Source: motherboard

Amazon, the online retail and technology giant owned by billionaire Jeff Bezos, won a patent in the US for a subscription feed that the company claims could “identify [Bitcoin] transaction participants” for governments and law enforcement.

The patent, which was filed in 2014 but approved on Tuesday, comes at a time when regulators’ desire to track and police cryptocurrency is running up against the technology’s core promises of pseudonymity for users. Bitcoin users, for example, are represented in the virtual currencies ledger by strings of text and numbers generated by a cryptographic algorithm. Taxation for Bitcoin thus relies on self-reporting. Amazon’s system, if it comes into being, could allow government subscribers to “correlate tax transaction data” with Bitcoin data in order to identify people, the patent filing says.

The patented system is described as a “streaming data marketplace” where various entities provide information into the stream to increase its identifying power, and customers subscribe to the feed for insights.

For example, the filing imagines a stream of transactions involving Bitcoin or another cryptocurrency—not very valuable on its own in terms of identifying people. But retailers in the stream can “combine the shipping address with the bitcoin transaction data” and publish the combined data to the stream; next, telecommunications companies “downstream” from the retailers may “correlate the IP (Internet Protocol) addresses of the transactions to countries of origin;” and further downstream, a government subscriber would “correlate tax transaction data.” With all of this data combined, stream subscribers may be able to identify Bitcoin users.

Amazon imagines that cops will be potential customers. Identifying Bitcoin users is a major project in global law enforcement, and the National Security Agency was working on it in 2013, documents from whistleblower Ed Snowden showed.




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