Best Products
Launches
Launch archive
Most-loved launches by the community
Launch Guide
Checklists and pro tips for launching
News
Newsletter
The best of Product Hunt, every day
Stories
Tech news, interviews, and tips from makers
Changelog
New Product Hunt features and releases
Forums
Forums
Ask questions, find support, and connect
Kitty Points Leaderboard
The highest scoring community members
Streaks
The most active community members
Events
Meet others online and in-person
Advertise
Subscribe
Sign in
Syed Ahmed Ali Shah
Founder and Developer at Doc Notary
#10431253
0 followers
4 following
☀️ 2 day streak
>10,000
All time
0 KP
Follow
About
Forums
Activity
Upvotes
1 Hunted
Collections
Stacks
Reviews
Links
LinkedIn
Twitter
Badges
Gone streaking
Maker History
Doc Notary
Notarize any file with a tamper-proof on-chain hash
Nov 2026
🎉
Joined Product Hunt
November 4th, 2026
Forums
Syed Ahmed Ali Shah
•
20h ago
Doc Notary - Notarize any file with a tamper-proof on-chain hash
Seal a file's SHA-256 fingerprint on a public blockchain, without putting the file on-chain. Anyone can verify a copy in their browser, free and with no account.
1
1
View more
Report
Subscribe
Sign in