LPD · Protect your digital property
Prove it already existed. And that no one has touched it
Get picks like this daily. Today's launch numbers, the top launches, AI and tech news, and a daily opportunity pick, straight to your inbox.
Want to reach these readers? Sponsor an issue.
Global blockchain evidence. Fast pay-as-go service including mobile App and enterprise plans. Three layers of evidence for undisputable proof. Blockchain Registers a cryptographic fingerprint of your file on Polygon, creating public and immutable evidence of its existence. IPFS Keeps a decentralized reference of the file so you can share it safely. Available in public or private mode. eIDAS Adds a qualified electronic timestamp issued by a qualified trust service provider of the European Union.
PH · launched Sep 28, 2026 · 1 upvote (top 69%) · 0 views
Niche: identity and formal verification software · 93 launches, 5 in the last 7 days ▼ -38% · Explore this niche →
Category and tags
- Horizontal
- Compliance & governance
- Prosumer
- Not AI
- Commercial product
- Android
- Legal
- Blockchain
Visit website ↗ Source listing ↗
More like this: all 93 launches in identity and formal verification software →
Could you build this?
Yes Hashing a file on the client, pinning the file to IPFS via Pinata/Infura, and logging the cryptographic hash via a simple smart contract on Polygon is standard Web3 boilerplate.
Competitors
Other products that read as similar to this one : 199 launches clear the similarity bar, closest 8 shown.
Attention rank: #151 of 200 (itself plus its competitors, highest first, normalized so YC and Product Hunt are compared fairly).
Launched 333 days after the earliest competitor.
- GETOKEN File Proof · ph · 2026-11-10 · 1 upvotes · similarity 0.57
- UploadToBlockchain · ph · 2026-11-03 · 2 upvotes · similarity 0.55
- Docmint · ph · 2026-11-03 · 1 upvotes · similarity 0.53
- MCP Server eIDAS Timestamps · ph · 2026-11-12 · 1 upvotes · similarity 0.52
- ProofCreate · ph · 2026-11-14 · 1 upvotes · similarity 0.48
- OnChainRisk · ph · 2026-09-21 · 1 upvotes · similarity 0.47
- Ecode · ph · 2026-10-15 · 1 upvotes · similarity 0.47
- Anchor any file to Bitcoin to prove it existed at a specific time · hn · 2026-03-19 · 8 upvotes · similarity 0.46
The niche, labels, vibe code rating and competitor comparison on this page are analysis by Nicheloom. If you use them, please credit nicheloom.com. How you may use our data.