Coinbase users faced hours of service disruptions late Thursday and into early Friday after failures tied to Amazon Web Services infrastructure disrupted core trading systems, the cryptocurrency exchange said.

In a post on X Friday morning, Coinbase said the outage began around 8 p.m. ET on Thursday afternoon, after its systems detected elevated error rates across multiple services.

“Around 8 p.m. ET, Coinbase systems detected elevated error rates across multiple services, which the company traced to failures in AWS Availability Zone use1-az4 in the US-EAST-1 region,” Coinbase wrote.

The outage follows another AWS-related disruption in October that temporarily knocked Coinbase and Robinhood offline, and prevented some…