OnChainCert OnChainCert
Sign inGet Started →
For Marine Merchant Officer Credentials

Verified Credentials for Merchant Mariners

Issue tamper-proof certificates for merchant marine officers. Manage USCG MMC, STCW certifications, and endorsements with instant verification for shipping companies.

Start Free Trial Book Demo
The Challenge

Problems You're Facing

MMC Endorsement Tracking

Merchant Mariner Credentials contain multiple endorsements requiring individual tracking.

STCW Compliance

International STCW certifications have specific validity and renewal requirements.

Medical Certificate Currency

Mariner medical certificates have strict validity periods affecting employability.

The Solution

How OnChainCert Helps

Shipping Company Verification

Enable shipping companies to verify all mariner credentials instantly.

STCW Portfolio Management

Track all STCW certifications including BST, GMDSS, and specialty training.

International Recognition

Provide verifiable credentials recognized across international maritime jurisdictions.

Features for Marine Merchant Officer Credentials

Everything you need to issue and manage blockchain certificates.

Bulk Upload

Instant Verification

Custom Branding

API Access

Multiple Credential Types

Frequently Asked Questions

Common questions about blockchain certificates for marine merchant officer credentials.

How does blockchain verification work for marine merchant officer credentials?
When you issue a certificate through OnChainCert, we create a unique cryptographic hash of the certificate data and record it on the Polygon blockchain. This creates an immutable, tamper-proof record that anyone can verify instantly using the certificate ID.
How much does it cost?
OnChainCert offers a free tier with 5 certificates per month. Paid plans start at $6/month for 30 certificates. We recommend the Professional plan for marine merchant officer credentials.
Can employers verify certificates for free?
Yes! Verification is completely free and requires no account. Anyone with a certificate ID can instantly verify its authenticity on our verification page.
What blockchain do you use?
We use Polygon, a leading Layer 2 Ethereum blockchain known for its speed, low costs, and environmental sustainability. Polygon is carbon-neutral and processes thousands of transactions per second.

Other Solutions

Explore how OnChainCert helps other industries.

Business Analyst Certification

Issue tamper-proof certificates for business analysis, requirements gathering, and process improvement. Verify IIBA CBAP, CCBA, and PMI-PBA certifications.

Digital Marketing

Issue verifiable certificates for SEO, social media, PPC, and digital marketing courses. Help graduates prove their skills.

Drone Pilot Certification

Issue tamper-proof certificates for FAA Part 107 Remote Pilot credentials, sUAS operator licenses, and specialized flight endorsements. Meet FAA compliance requirements.
Learn more about blockchain certificates →

Ready to Get Started?

Join other marine merchant officer credentials using OnChainCert to issue tamper-proof certificates.

Recommended: Professional $49/month
Start Free Trial Try Verification

No credit card required • 5 free certificates

Powered by trusted technology

Polygon Blockchain Blockchain Technology Supabase