blockdag-mainnet[.]app

The domain blockdag-mainnet.app is a confirmed phishing site engaged in brand impersonation targeting BlockDAG, a cryptocurrency project. It presents itself as an official BlockDAG portal but is designed to deceive users into disclosing sensitive information or transferring assets. As of the latest verification, blockdag-mainnet.app has been taken offline, though it previously posed an elevated risk due to its fraudulent representation of the BlockDAG brand.

Technical analysis reveals that blockdag-mainnet.app was flagged by 2 of 95 security vendors on VirusTotal, including Fortinet and SOCRadar, while appearing on 1 security blocklist (PhishDestroy). The domain was registered through NiceNIC International Group Co., Limited on February 24, 2026, and resolved to the IP address 188.114.96.3, hosted on Cloudflare's infrastructure (AS13335). The SSL certificate was issued by Let's Encrypt (E8), and the observed page title was 'Just a moment...'. Technologies detected include HSTS, Cloudflare Browser Insights, and HTTP/3. Google Safe Browsing did not flag the domain at the time of assessment.

Users who interacted with blockdag-mainnet.app should immediately change any credentials entered on the site and enable two-factor authentication (2FA) on associated accounts. If cryptocurrency transactions were attempted, revoke any token approvals linked to the domain and consider transferring funds to a new wallet. Report the phishing domain to platforms such as Google Safe Browsing, PhishTank, or the impersonated brand's official security team to aid in takedown efforts and prevent further victimization.