In this episode of TraderTalkTV, ExchangeWire’s CEO, Ciaran O’Kane, is joined by Mathieu Roche, co-founder and CEO at ID5, to discuss linking IDs across domains. 

In this session, O’Kane and Roche cover:

– how brands and publishers currently communicate through DSPs and SSPs

– the impact that the end of the third-party cookie has on the use of IDs in the buying process

– how ID5 link IDs across domains using deterministic and probabilistic methods, and why it’s important to use both approaches to provide both accuracy and scale.


ID5 is the shared identity infrastructure designed to improve user recognition in a privacy-compliant way. ID5’s solutions improve match rates between platforms and allow user identification in browsers where 3rd party cookies are blocked. ID5 enab…
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