Add Yahoo as a preferred source to see more of our stories on Google. Brian Armstrong, cofounder and CEO of Coinbase, speaks at an event in Bengaluru, India, in 2022. (Samyukta Lakshmi—Bloomberg/Getty ...

Cryptocurrency exchange Coinbase knew as far back as January about a customer data leak at an outsourcing company connected to a larger breach estimated to cost up to $400 million, six people familiar ...