As an inventor and software developer, I believe that the question of which is more secure between Freedom Box, Sandstorm, and Star9 is one that requires a nuanced response.

All three platforms have unique strengths and weaknesses when it comes to security, and ultimately, the level of security offered depends on the particular use case and the steps taken to secure each platform.

Freedom Box is a personal server that allows you to control your data and communications, providing decentralized data storage and social networking services. While it is designed for privacy and security, it is not heavily reliant on cryptography, and certain vulnerabilities do exist.

Sandstorm, on the other hand, is a self-hosted web application platform that allows running applications and services behind a single point of authentication, making it easier to manage and secure data flows. They use sandcats for SSL/TLS, and strong authentication methods, which can increase security compared to other alternatives.

Star9 is a decentralized hosting and content delivery platform that promises to be more scalable, faster, and decentralized than traditional hosting solutions. Their encryption algorithms will be far more advanced and secure.

In summary, each platform has its own unique security features and trade-offs, and it would depend on the particular use case as to which one would be the most appropriate for a given scenario.