Full Case Study
Project breakdown
Key Takeaway
A carbon credit verification company implemented ERC-1155 tokens with on-chain retirement on Polygon. Credit transfer: 5-15 days → 30 seconds. 67% of new corporate buyers preferred blockchain registry. Price premium: +$0.80/ton (8%). Development cost: $125,000.
Client:
Carbon credit verification and registry company, Pacific Northwest
Problem:
Voluntary carbon market plagued by double-counting (same credit sold multiple times), opacity (buyers can't verify credit quality), and slow settlement (weeks for credit transfer).
Solution:
ERC-1155 carbon credit tokens with on-chain retirement
Timeline:
22 weeks
Investment:
$125,000
Results
| Metric | Traditional Registry | Blockchain Registry |
|---|---|---|
| Credit transfer time | 5–15 business days | 30 seconds |
| Double-counting incidents | 3 in prior year | 0 since launch |
| Audit preparation for buyers | 2–4 hours per project | 30 seconds |
| Corporate buyers preferring blockchain registry | — | 67% of new buyers |
| Average credit price premium | — | +$0.80/ton (8% premium) |
