# Amplitude-Linked Incident Exposes Contact Data Tied to More Than 70,000 Coinbase Users By Simon Yoon Canonical URL: https://www.tokenpost.com/news/technology/42671 Published: 2026-10-28T14:51:10.000Z Updated: 2026-10-28T14:51:10.000Z Section: Technology > Coinbase said affected users would be notified in line with legal requirements. Earlier TokenPost coverage gave no number for the affected group. More than 70,000 Coinbase users had contact information exposed in a security incident involving Amplitude, the exchange’s third-party analytics provider. The stated count adds detail to [TokenPost’s earlier coverage of the incident](), which described the affected customers in broad terms without giving a total. Coinbase said affected users would be notified in line with legal requirements. ## Links in this article - [TokenPost’s earlier coverage of the incident](https://www.tokenpost.com/news/technology/42410)