Your evidence,
secured by
blockchain integrity
Capture, timestamp, and verify documents in seconds. Build trust with proof nobody can tamper with.
From capture to verifiable proof
A clear 6-step workflow for evidence you can trust and defend.
Open the app
Launch OPPLON on your iPhone
Capture evidence
Photograph your document or scene
Timestamp instantly
Automatic cryptographic timestamping
Anchor on chain
Immutable Polygon blockchain record
Generate proof link
Create a unique verification URL
Share and verify
Send tamper-evident, verifiable proof
Enterprise-grade trust layer
Immutable. Verifiable. Evidence-ready.
Hardware signature
iPhone Secure Enclave-backed authentication for trusted identity
SHA-256 hashing
Unique cryptographic fingerprint for every file
Polygon blockchain
Decentralized and immutable proof anchoring
Legal-grade timestamps
Designed for evidentiary timelines and compliance workflows
Private by design
Your data remains encrypted and under your control
Full audit trail
Transparent traceability across every proof event
9a0bcdcd3e8bc151337447272028feea263564f319...Built for professionals
who cannot compromise on trust
Legal and litigation
Build court-ready evidence with verifiable timestamps.
Insurance
Document claims with blockchain-backed visual proof.
Investigative journalism
Authenticate sources and visual evidence in real time.
Law enforcement
Preserve chain-of-custody for field evidence.
Real estate
Secure move-in/out records and property documentation.
Healthcare records
Archive sensitive records with integrity guarantees.
The future of trusted digital evidence
Your dedicated proof layer, combining legal-grade timestamps with blockchain transparency.
Join the waitlist
before public launch
Get priority access, early product updates, and tailored onboarding for first-wave teams.
Ready to secure
your evidence?
OPPLON turns visual records into verifiable proof. Join teams that need certainty, not assumptions.