Roku, Inc.

Atanas Hristov Banov

Willard Lennox Simmons

Douglas Corey Reher

In one aspect, an example method includes (i) encountering, by a media player of a media presentation system, a trigger to transmit a network communication to a computing device; (ii) generating, by the media player, an attestation watermark indicative of an authenticity of the media player using a cryptographic key; (iii) attaching, by the media player, the attestation watermark to the network communication; and (iv) based on encountering the trigger, transmitting, by the media player, the network communication having the attached attestation watermark to the computing device, the authenticity of the media player being verifiable by the computing device using the attestation watermark.

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Menlo Park, CA, United States of America

Atanas Hristov Banov