Abstract: An escrow agent for verifying attribution of conversions includes a processing element and a non-transitory memory. The non-transitory memory is coupled to the processing element and stores instructions for verifying attribution of conversions. The instructions, when executed, cause the processing element to receive impression information from a plurality of digital advertising servers, receive impression verification information from an impression verification server for attributed conversions, verify the impression verification information responsive to the impression information and impression verification information, and send verified impression verification information to a client system for attributing conversions to the plurality of digital advertising servers.

Abstract: An escrow agent for verifying attribution of conversions includes a processing element and a non-transitory memory. The non-transitory memory is coupled to the processing element and stores instructions for verifying attribution of conversions. The instructions, when executed, cause the processing element to receive impression information from a plurality of digital advertising servers, receive attribution information from an attribution server for attributed conversions, verify the attribution information responsive to the impression information and attribution information, and send verified attribution information to a client system for attributing conversions to the plurality of digital advertising servers.