Tinfoil
Track on RadarCryptography and secure hardware-based privacy and security solutions
- Total raised
- $7.75M
- Employees
- 6
- Founded
- 2024
- Momentum
- 41
Cooling
Data updated August 2026
About
About Tinfoil
At a glance
Tinfoil is a cybersecurity company specializing in AI Security, founded in 2024 and headquartered in San Francisco, United States. It has raised $7.75M in total funding, employs about 6 people, and is privately held.
Tinfoil is a cybersecurity company founded by a team with deep expertise in cryptography, privacy-preserving systems, and secure hardware. The founding team includes researchers with PhDs from MIT specializing in secure hardware, systems, and cryptography, along with engineering experience from organizations including Microsoft Research, NVIDIA, Cloudflare, MongoDB, Google, and zeroRISC. The company focuses on building security and privacy solutions leveraging advanced cryptographic techniques and secure hardware systems. The founding team's background suggests a technical approach centered on privacy-preserving protocols and secure system architecture. One co-founder previously designed and deployed privacy and security protocols used by billions of users at Cloudflare and contributed to their Workers AI platform, indicating experience with large-scale security implementations. Tinfoil's technical foundation combines academic research in cryptography and secure hardware with practical industry experience in deploying security systems at scale. The company is backed by Y Combinator and Felicis, with angel investors including notable figures from the security, cryptography, and networking fields. The team's expertise spans secure hardware design, privacy-preserving systems, cryptographic protocols, and robust system architecture for security applications.
Momentum
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Pillar breakdown
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Valuation
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Products
Tinfoil's products
Funding
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Privately held
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Headcount
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Tech stack
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Full profile
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FAQ
Frequently asked questions about Tinfoil
When was Tinfoil founded?▾
Tinfoil was founded in 2024.
Where is Tinfoil headquartered?▾
Tinfoil is headquartered in San Francisco, United States.
How much funding has Tinfoil raised?▾
Tinfoil has raised a total of $7.75M in total funding.
Is Tinfoil public or private?▾
Tinfoil is a privately-held company.
How many employees does Tinfoil have?▾
Tinfoil has approximately 6 employees.
What does Tinfoil do?▾
Tinfoil is a cybersecurity company founded by a team with deep expertise in cryptography, privacy-preserving systems, and secure hardware. The founding team includes researchers with PhDs from MIT specializing in secure hardware, systems, and cryptography, along with engineering experience from orga…