Tinfoil, a startup part of Y Combinator's X25 batch, focuses on providing verifiable privacy solutions for cloud-based AI applications. The technology aims to offer strong security measures, such as secure enclaves, to ensure that AI operations can be conducted with significant privacy and zero trust assumptions. This is particularly interesting as many companies seek reliable solutions to manage sensitive data and model weights in AI-driven environments. However, the landscape is competitive with major cloud providers rapidly adopting similar technologies (confidential computing), which raises concerns about Tinfoil's ability to maintain a competitive edge in a market potentially dominated by hyperscalers. Critical discussions around hardware trust, security vulnerabilities, and complexities related to TLS certification also emerge as potential challenges.