| http://www.w3.org/ns/prov#value | - by makomk (752139) writes: Secure method and system for communicating a list of credit card numbers over a non-secure network [uspto.gov] (5,715,399), which is held by Bezos and covers displaying the last N digits of the credit card number, where N is an integer, have not shops been using similar techniques on till reciepts for ages?
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