RampID
RampID (formerly LiveRamp ID) is a people-based, privacy-compliant identifier created by LiveRamp that enables advertisers to unify customer data across channels and devices without third-party cookies. RampID is a hashed, encrypted identifier based on offline PII (email, name, address) and is tied to LiveRamp's identity graph. It enables deterministic cross-device targeting, measurement, and audience activation, and is widely adopted across DSPs, CDPs, and walled gardens.
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