Patent ID: 8473351

Claim:
A process for determining the ages of purchasers wishing to engage in purchase transactions of one or more items and for maintaining a verifiable set of records that the ages of the purchasers were calculated, the process comprising: (i) obtaining with a host computer system birth date identification information about a purchaser; (ii) obtaining with the host computer system information about the current date; (iii) calculating with the host computer system the age of the purchaser using the current date and the birth date identification information; (iv) storing in a memory with the host computer system a record for a purchase transaction in the set of records, the record indicative of the purchase transaction and a result of calculating the age of the purchaser; and (v) repeating acts (i) through (iv) for one or more other purchase transactions with one or more other purchasers such that the set of records is built that includes a record of each purchase transaction of an item that is associated with an age threshold and that indicates that each purchase transaction of an item that is associated with an age threshold initiated an age calculation.