How Polygon Makes Blockchain Certificates Affordable

Why Blockchain Choice Matters

Not all blockchains are equal for credential issuance. The blockchain you use affects cost, speed, sustainability, and reliability. OnChainCert chose Polygon for compelling reasons.

The Blockchain Cost Problem

Ethereum Mainnet

• Transaction fees: $5-50+ per transaction
• Variable and unpredictable costs
• Slow confirmation times
• High environmental impact

Impact on Credentialing

At $10 per transaction:

• 100 certificates = $1,000 in fees
• 1,000 certificates = $10,000 in fees
• Unsustainable for volume issuance

How Polygon Solves This

Layer 2 Scaling

Polygon is an Ethereum Layer 2 solution:

• Processes transactions off mainnet
• Batches and settles on Ethereum
• Maintains Ethereum security
• Dramatically lower costs

Transaction Costs

Polygon transactions cost fractions of a cent:

• 100 certificates = ~$0.10 in fees
• 1,000 certificates = ~$1.00 in fees
• Volume issuance becomes practical

Speed

Polygon offers:

• 2-second block times
• Near-instant confirmation
• 65,000+ transactions per second capacity
• No congestion delays

Environmental Benefits

Energy Efficiency

Polygon uses Proof of Stake:

• 99.9% less energy than Proof of Work
• Carbon-neutral network
• Sustainable infrastructure
• Aligns with organizational ESG goals

Comparison

Network	Energy per Transaction
Bitcoin	~700 kWh
Ethereum (PoW)	~100 kWh
Polygon (PoS)	0.0003 kWh

Security Without Compromise

Ethereum Settlement

• Checkpoints submitted to Ethereum
• Ethereum security guarantees
• Decentralized validator network
• Proven track record

Network Security

• Over 100 validators
• Significant stake securing network
• Battle-tested infrastructure
• Major institutional adoption

Why Not Other Options?

Private Blockchains

• Not truly decentralized
• Single point of failure
• Less trustworthy for verification
• Vendor lock-in risk

Other Layer 1s

• Less ecosystem support
• Smaller developer community
• Fewer integrations
• Less proven for credentials

Why Polygon Wins

• Perfect balance of cost, speed, security
• Massive adoption and ecosystem
• Ethereum compatibility
• Enterprise-ready

What This Means for You

Affordable Pricing

Low blockchain costs enable:

• Competitive subscription pricing
• Free tier offerings
• Volume discounts
• Accessible for all organizations

Reliable Service

Polygon’s performance enables:

• Instant certificate issuance
• Immediate verification
• No transaction failures
• Consistent experience

Sustainable Choice

Using Polygon means:

• Minimal environmental impact
• Alignment with sustainability goals
• Responsible technology choice
• Future-proof infrastructure

Technical Details

Smart Contracts

OnChainCert deploys smart contracts on Polygon that:

• Record certificate hashes
• Store minimal metadata
• Enable public verification
• Maintain immutable records

Verification Process

When verifying:

1. Certificate hash calculated
2. Polygon queried for stored hash
3. Comparison performed
4. Result returned instantly

Integration

Polygon supports:

• Standard Ethereum tooling
• Wide wallet compatibility
• Established developer ecosystem
• Easy integration

Real-World Impact

Case Study: University

A university issuing 5,000 diplomas annually:

On Ethereum Mainnet:

• Blockchain fees: $50,000+
• Impractical for budget

On Polygon:

• Blockchain fees: ~$5
• Highly practical

Enabling Adoption

Affordable blockchain costs mean:

• Small organizations can participate
• High-volume issuers can scale
• Free verification for everyone
• Credential ecosystem grows

Start issuing on Polygon →

Technical questions about Polygon? Contact us.