[Gitcoin Impersonation Phishing Announcement Spread on a Large Scale via GitHub Notification System] According to 0xkatz.era, a fake phishing announcement targeting Gitcoin has appeared, with attackers using GitHub's native notification system to send spam messages to a large number of users. Affected users found that the page was no longer accessible when clicking on the related organization link. Some users have reported the account and related issues to GitHub, reminding the community to stay vigilant and guard against phishing risks.