blocksystemschain[.]com

This domain, blocksystemschain.com, poses a high-risk brand impersonation threat specifically targeting users of the Across Protocol, a cross-chain bridging platform. Attackers use such domains to deceive victims into believing they are interacting with official services, potentially leading to credential theft, unauthorized transactions, or the installation of malicious software. The domain may host fake login portals, fraudulent token swap interfaces, or phishing pages designed to harvest sensitive information such as private keys or recovery phrases. Analysis indicates this domain was registered on May 18, 2025, through Porkbun LLC, a registrar commonly used for both legitimate and malicious registrations. It resolves to the IP address 75.2.60.5, hosted on infrastructure belonging to Amazon.com, Inc. (AS16509) in the United States. The domain is flagged by 17 out of 95 security vendors on VirusTotal and appears on 4 security blocklists, including PhishDestroy, Polkadot, Enkrypt, and Codeesura. The SSL certificate, issued by Let's Encrypt (serial number E8), provides encryption but does not validate the legitimacy of the site, as attackers frequently use valid certificates to appear trustworthy. If you have visited blocksystemschain.com or interacted with its content, immediate action is required. First, disconnect any connected wallets or sessions from the site and revoke any permissions granted to unknown or suspicious applications. Scan your device using updated security tools to detect potential malware or unauthorized access. Monitor your accounts for unusual activity, such as unauthorized transactions or changes to security settings. If credentials or private keys were entered, consider migrating assets to a new wallet and reporting the incident to the official Across Protocol security team for further guidance. Users should also report the domain to their security providers to aid in broader threat mitigation efforts.