email hashing

Not only will hashing data not anonymize it, but regulators, including the Federal Trade Commission, consider hashed identifiers to be personal information.

A weekly comic strip from AdExchanger that highlights the digital advertising ecosystem…

A weekly comic strip from AdExchanger.com that highlights the digital advertising ecosystem…

The ad industry is partially pinning its hopes on email as legacy identifiers get knocked off one by one. But hashed IDs, including emails and phone numbers, collected elsewhere cannot be used as a replacement for app tracking on iOS 14. That’s true whether or not the hashed identifiers were collected with consent. In its […]

Data matching and cookie syncing aren’t verboten under the General Data Protection Regulation (GDPR) but getting the consent to do it is another story altogether, since consumers need to know exactly what they’re signing up for when they provide unambiguous and specific consent. Like most vendors in the ad tech ecosystem, companies that onboard data […]

You can’t un-ring a bell, but you might be able to un-hash an email, depending on whom you ask. In order for marketers to safely use hashes for targeted advertising, they must stay abreast of the latest hashing formats. Email hashing involves converting an email address to a hexadecimal string. Each time an email address […]