There is unfortunately no way to prevent that part. BidRequest Data [0] and Request Time is already enough to fingerprint the user. "Google prohibits multiple

There is unfortunately no way to prevent that part. BidRequest Data [0] and Request Time is already enough to fingerprint the user. "Google prohibits multiple buyers from joining their match tables." part is not technical, it is contract based. [0] Sample Data from Bid Request ip: "F\303\006" user_agent: "Mozilla/5.0 (Linux; Android 7.1.1; Pixel XL Build/NOF26V) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/56.0.2924.87 Mobile Safari/537.36" url: "http://www.myfitnesspal.com/food/calories/popeyes-buttermilk-biscuit-29980768" cookie_version: 1 google_user_id: "CAESEIMlaNwMN-rtiDFzjwNIX6Y" timezone_offset: -360 detected_content_label: 39 mobile { is_app: false 3: "android" 8: 1 12: "google" 13: "pixel xl" 14 { 1: 7 2: 1 3: 1 } 15: 412 16: 732 18: 70092 19: 3500 } cookie_age_seconds: 12960000 geo_criteria_id: 9023221 device { device_type: HIGHEND_PHONE platform: "android" brand: "google" model: "pixel xl" os_version { major: 7 minor: 1 micro: 1 } carrier_id: 70092 screen_width: 412 screen_height: 732 screen_pixel_ratio_millis: 3500 }