Tinfoil
Design & Creative · Cybersecurity
Overview
AI that keeps your data private at all times. Fast, powerful, and verifiable, thanks to secure hardware enclaves.
Funding and backers
Team
11-50
employees, estimated range
Backers
1
Y Combinator
Momentum
30/100
in the news, rising traction
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Apr 2025
Went through Y Combinator
Tractionpublic signals, read monthly
Web presence
top 0.31%
of 133.2M domains by links, Common Crawl
Hacker News stories
11
best: 69 points
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
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Open source inference engine for the hardware you already own. Apple Silicon, NVIDIA, AMD, or nothing but a CPU.
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Y CombinatorVia a fund
6310 portfolio companies
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Shared investors
News
Tinfoil.com - Early Recorded Sounds and Wax Cylinders
Early sound recording methods, wax cylinder records, antique phonographs, and more.
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Report
Architecting Secure Prompt Caching
How Tinfoil implemented prompt caching for the Inference API without compromising on privacy, using client-side cache secrets.
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Report
Supply Chain Security - Part 1
How Tinfoil thinks about supply chain security for client-side code and build infrastructure.
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Report
How Tinfoil Proves Exactly What Model Is Running
How we cryptographically guarantee that we are serving specific, untampered model weights that clients can verify on each request.
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Report
The Fantastic Piece of Tinfoil in my Wallet
The gates in the lobby of my workplace annoyed me for years: they would often reject my access card, and I
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Report
Report
Report
Running Private DeepSeek R1 with Verifiable Security
Try out Tinfoil Private Chat with DeepSeek R1.
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Report
Microsoft and my tinfoil journey
Either Microsoft support is wildly incompetent or there's a large scale fraud operation going on.
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Report
Show more news
Offices
Where the company hires and what each office is for
Cities
1
Hiring now
0
Countries
1
San Francisco
United States
HQ
10-50 est. staff