Incident Overview
According to OpenSea's official tweet, hackers sent phishing emails to all users' mailboxes at the same time as the OpenSea contract was upgraded. Many users mistakenly thought it was an official email and authorized the wallet, which resulted in the wallet being stolen. OpenSea co-founder and CEO Devin Finzer confirmed the phishing attack in a tweet.
Sources & References
This record presents information attributed to the linked sources. Incident dates describe the original event, not a new report. Reported loss figures reflect the source record and are not current market valuations.