Patent ID: 9299094
Filing Date: 2016-03-29
CPC Classification: G06F,G06Q,H04L

Claim Text:
1. A method comprising: receiving, by a processing device of a first computer system, from a second computer system of a computer network associated with a customer, a first hash value during a first transaction not directly related to billing of the customer, wherein the first computer system is external to the computer network associated with the customer, and wherein the first hash value is generated by a third computer system of the computer network associated with the customer and is transmitted to the second computer system in response to a registration request by the second computer system, and wherein the second computer system is registered in response to the registration request, and wherein the first hash value is generated by the third computer system in view of a first state of the third computer system; receiving, by the processing device, from a fourth computer system of the computer network associated with the customer, a second hash value during a second transaction not directly related to billing of the customer, wherein the second hash value is generated by the third computer system and is transmitted to the fourth computer system in response to a registration request by the fourth computer system, and wherein the second hash value is generated in view of a second state of the third computer system and the first hash value, and wherein the third computer system transitions from the first state to the second state in view of the registration of the second computer system; receiving, by the processing device, a report corresponding to a time period, wherein the report comprises the first hash value and usage information associated with usage of one or more services by the second computer system during the time period; and verifying, by the processing device, the usage information in view of the first hash value without communicating with the third computer system.