Blockchain verification
for everything that matters
Credentials. Supply chains. Pets. Legacies. Businesses. One platform. Permanent blockchain records. Free to verify. Forever.
Works for all OB3 modules. Verification is always free.
Seven modules. One blockchain.
Every module produces an OB3 code. Every OB3 code is permanently anchored on Polygon. Anyone verifies any record free, forever.
OB3 Credentials
Blockchain-verified diplomas and professional licenses
Permanently anchor your academic degrees, professional certifications, and trade licenses on the Polygon blockchain. One OB3 code. Verified anywhere. Trusted forever.
OB3 Supply Chain
Blockchain product provenance from factory to destination
Prove your product is exactly what you say it is. Document every step of the journey, upload supporting documents, and anchor the complete record on blockchain.
OB3 Pets
Permanent blockchain identity and health records for pets
Give your pet a permanent verified identity. One OB3 code on their tag. Anyone who finds them instantly sees your contact info, medical needs, and vaccination status.
OB3 Legacy
Your words preserved forever, delivered exactly when you want
A blockchain-secured digital legacy vault. Write letters, record instructions, and preserve what matters most. Encrypted, private, and delivered to the right people at the right time.
OB3 Biz
Blockchain-verified business identity in one code
Prove your business is licensed, insured, and legitimate. One OB3-BIZ code that customers scan to instantly verify your registration, licenses, and insurance are current.
OB3 Proof
Blockchain timestamp for any document or creative work
Any file. Any document. Any creative work. Compute a SHA-256 hash and anchor it permanently on Polygon. Undeniable proof of existence at a specific date and time.
OB3 Property
Blockchain-verified property records and title documentation
Permanent blockchain record of your property ownership, deed history, and title documents. Protect against deed fraud and prove clean title to buyers, banks, and attorneys.
See Onboard3 in action
Watch how blockchain verification works and how easy it is to get your first OB3 code.
Submit. Review. Anchor. Done.
For Universities and Institutions
Issue blockchain credentials at scale
Universities, professional associations, licensing boards, and certification bodies can issue verified OB3 credentials to their members and graduates. Under $2 per credential at volume. API available.
Start verifying today
No contract. No subscription. Permanent blockchain records starting at $4.95. Verification is always free for anyone, forever.
Blockchain verification for credentials, supply chains, pets, legacies, and businesses.
A BlockUserve Company
Blockchain for everyday people.
© 2026 BlockUserve LLC. All rights reserved. Onboard3 is a registered trademark.
Anchored on Polygon PoS