Blogger.com has been a cornerstone of the internet since the late nineties, providing a platform for millions to share their voices. Because it is operated by Google, it operates with a level of infrastructure and security that is difficult for smaller platforms to replicate. When asking if blogger.com is a scam, the answer is clear: this is a foundational web service with deep roots and a massive user base. You can rely on the technical stability of the site, as it handles massive volumes of traffic with a clear commitment to consistent uptime and secure data handling.
Because this is a global utility, it behaves differently than a boutique blog or a commercial storefront. It does not need to show you a 'contact us' page to prove its identity, as its presence is verified by its own scale. If you are starting a blog, you are using a tool that is integrated into the larger Google ecosystem. This means your experience is backed by the same standards that govern one of the most significant technology companies on the planet. There is no reason to doubt its legitimacy.