ChainmailCheck a photoBook a demoProduct photos yourcustomers can check.
Stamp product, packing and delivery photos in Chainmail. Customers check them in their browser, so an edited photo shows before it becomes a dispute.
Impostors talk to your customers too.
Fake support accounts, copied listings and doctored proof-of-delivery photos all borrow your brand's trust. Customers cannot tell which message came from you.
lost to impostor scams reported in the US in 2025
FTC, Jun 2026of that lost to business impersonators
FTC, Jun 2026of brand phishing in Q4 2025 imitated one brand: Microsoft
Check Point Research, Jan 2026 (vendor)Guesses, stripped data, and trust.
Support inboxes are open
Anyone can message a customer and claim to be you.
Photos are re-sent
A delivery photo can be edited or reused for another order.
Checkmarks are platform-bound
A verified badge on one network means nothing on the next.
Evidence that travels with the photo.
A Chainmail stamp lives inside the JPEG and on Solana (devnet today). A customer can check it anywhere, without an account and without trusting either of us.
Edits show
Delivery and condition photos show later edits.
Private support
Messages in one-to-one customer chats are end-to-end encrypted.
Works anywhere
The stamp lives inside the file, so it survives any channel that keeps the JPEG intact.
No vendor lock
The verifier is open source.
What ships today, and what is next.
Stamped delivery photos
Couriers or staff capture in the app; the stamp is sealed before upload.
Browser check for customers
Customers drop the photo into the checker. It runs locally.
Brand channels
One verified channel per brand for updates and care.
Example brand. Verified profiles are not live yet.
Support inbox
A shared inbox for your team on top of encrypted chats.
Four steps.
Book a demo
We map your photo and support flows.
Capture in Chainmail
Staff stamp packing and delivery photos.
Share the photo
Send it in chat or attach it to the order.
Customer checks
One drop into the browser checker.
Where a stamp helps.
Every result states its limits.
- The JPEG has not changed since it was stamped.
- The fingerprint matches a record on Solana, with its time. Devnet today; mainnet is in development.
- Anyone can repeat the check with open-source code.
- That the photo was taken in Chainmail. Imported photos can be stamped too.
- Who took the photo, or who sent it.
- That a camera made it rather than an AI model.
- That the scene was honest when the photo was taken.
See it on your flow.
Coming soon to the App Store. For teams, we set up a demo on your own photos.