Patent ID: 8463663

Claim:
A method comprising: receiving, at a memory tag from a read/write device of a computing device, a digital form of purchase-related information, wherein the digital form of the purchase-related information is associated with a purchase of a physical object and describes warranties for the physical object, wherein the memory tag is integrally formed with the physical object or permanently fixed to the physical object, where the described warranties include warranties running between respective pairs of different entities in a chain of distribution of the physical object, where the chain of distribution includes a manufacturer of the physical object, a retailer selling the physical object, and a user of the physical object, and wherein the digital form of the purchase-related information was created in response to the purchase of the physical object or an indication that the physical object will be purchased; storing, at the memory tag, the digital form of the purchase-related information, wherein the digital form of the purchase-related information is stored in a memory within the memory tag, the memory configured to only be written to once; and encrypting part of the digital form of the purchase-related information, wherein the part of the digital form of the purchase-related information that is encrypted and stored at the memory tag is inaccessible by anyone other than a person providing a warranty service for the physical object.