BlockFact
Verifies photo authenticity at capture using on-device proofs and blockchain registration.
Product memo
It tackles the digital trust crisis by verifying photo authenticity directly on mobile devices. Unlike traditional methods, it uses zero-knowledge proofs and blockchain registration to ensure images are real at the moment of capture, never leaving the user's phone. This privacy-first approach is crucial for journalists, newsrooms, and businesses needing immutable proof of origin for legal documentation or content platforms.
- For who
- Journalists, newsrooms, and businesses needing photo authenticity
- Solves what
- Verifying photo authenticity at capture using on-device proofs and blockchain registration
- On-device verification
- Blockchain registration
- Invisible watermarking
Operator & company
Company
- Founded
May 2026
Operating model
- Business model
Saas
- Platform
Mobile
- Audience
General
Builder strategy
- Strategy Type
- Niche Specialist
- Stage
- Vc Growth
- Effort
- Small Team
Source evidence
- Category
- Photo & Video
- Developer
- Knightfox App Design Limited
- Download
- Free download
- Current version
- 1.6
Latest observed release
v1.6 · May 10, 2026
What's New in v1.6.0 StarkNet Mainnet — BlockFact now registers photos on StarkNet mainnet. Your content provenance is permanently recorded on the real blockchain. C2PA Content Credentials — Every photo now includes a signed C2PA manifest, making your provenance data compatible with the industry standard used by Adobe, Microsoft, and the BBC. Improved Reliability — Dynamic contract configuration, better wallet handling, and smoother network transitions. Mainnet Explorer — Tap any transaction to view it on Voyager mainnet explorer.
Evidence sources
About BlockFact Expand
BlockFact provides a focused product for verifying photo authenticity directly on mobile devices. It serves journalists, newsrooms, and businesses that require immutable proof of origin for images.
The platform uses zero-knowledge proofs and blockchain registration to ensure photos are genuine at the moment of capture, never compromising user privacy by keeping data on-device. This approach creates a tamper-proof record, making it impossible to fake verified photos and establishing a new standard for digital trust.
In their own words
BlockFact
Prove Your Photos Are Real
BlockFact turns every photo into a tamper-proof record — verified at capture, registered on the blockchain, impossible to fake.
Competitive context
1 peer · Same primary niche.
Commercial cues
- Model
- free only
- Free tier
- Yes
- Trial
- No
Pricing strategy
BlockFact offers a Free to use tier, with Enterprise handled through custom pricing.
- • Custom enterprise pricing serves high-volume users with tailored products.
- • Public prices are not listed.