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Channel 1 -- Credentials

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Every record is blockchain-anchored on Polygon, freely verifiable by anyone, and permanently on-chain. One OB3 code. Share it anywhere.

$9.95
One-time registration
Free
Verification always
Polygon
Blockchain anchor
3 sec
Verify time
Licensed Professionals
State-issued licenses verified against issuing authorities
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Skilled Trades
HVAC, plumbing, electrical, drone pilots, general contractors, irrigation, and more.
Register $9.95
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Medical & Healthcare
Physicians, nurses, dentists, therapists, pharmacists, and other licensed practitioners.
Register $9.95
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Legal & Finance
Attorneys, CPAs, financial advisors, mortgage brokers, notaries, and FINRA licensed professionals.
Register $9.95
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Real Estate
Agents, brokers, landlord verification, and verified property listings on-chain.
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Government & Public Safety
Security guard licenses, notary, EMT, paramedic, firefighter, and first responder credentials.
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Transportation & Maritime
CDL, USCG captain license, FAA pilot, STCW, forklift, railroad engineer, and DOT credentials.
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Construction & Contracting
OSHA 10/30, LEED, crane operator, welding CWI, NCCER, and HAZMAT credentials.
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Education & Certifications
Degrees, diplomas, and professional certifications -- permanently verifiable
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Academic Degrees
High school diplomas, GEDs, bachelor degrees, masters, and doctorates anchored on-chain.
Register $9.95
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Professional Certifications
AWS, PMP, OSHA, CISSP, CompTIA, Six Sigma -- any certification, blockchain-anchored.
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Childcare & Teaching
K-12 teaching licenses, CDA credentials, state childcare licenses, TESOL, and education administration.
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Technology & IT
AWS, Google Cloud, Azure, Cisco, CISSP, CompTIA, and all major technology certifications.
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Sports, Lifestyle & Wellness
Recreation, fitness, food service, and beauty credentials
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Sports & Recreation
PGA, GCSAA, CMAA, tennis, coaching, athletic training, aquatics, scuba, ski instructors.
Register $9.95
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Fitness & Wellness
NASM, ACE, yoga RYT, Pilates, massage therapy, registered dietitian, and health coaching.
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Food & Hospitality
ServSafe, sommelier, executive chef, hotel management, event planning, and bartending credentials.
Register $9.95
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Beauty & Cosmetology
State cosmetology, esthetics, nail technician, barber, and salon manager licenses.
Register $9.95
Business & Digital Identity
KYB verification, company registration, and digital identity anchoring
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Vendor / KYB
Business verification, supplier onboarding, and vendor KYB for B2B procurement and compliance.
Register $9.95
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Company on Chain
Register your business entity, ownership, and operating status on the blockchain.
Register $9.95
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Digital Identity
Create a permanent, verifiable identity anchor on the blockchain for freelancers and remote professionals.
Register $9.95
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Video Registry
Anchor video content fingerprints on-chain -- deepfake prevention and content authenticity proof.
Register $9.95
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Look Up Any OB3 Credential

Enter an OB3 code to instantly verify any credential anchored on the Polygon blockchain. Free. Always.

Credential Type
Category and specific license or degree type
Holder Name
Verified name of the credential holder
Issuing Authority
School, licensing board, or certifying body
Issue & Expiry Date
When it was issued and when it expires
Blockchain Status
Active, expired, or revoked on Polygon
Polygon Tx Hash
On-chain anchor proof — verifiable by anyone
Enter OB3 Credential Code
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