The Net Zero 2050 target is strongly driving the development of the carbon credit and REC markets. However, challenges related to transparency and operating costs remain difficult to address.
This article from KTG Industrial explains how Blockchain technology helps standardize data, optimize transactions, and support the formation of a sustainable carbon market.
What are REC and Carbon Credits?
REC and carbon credits are two widely used tools in emission reduction strategies and energy transition initiatives.
REC (Renewable Energy Certificate) represents electricity generated from renewable sources, where 1 REC is equivalent to 1 MWh of renewable electricity.
Meanwhile, Carbon Credits reflect greenhouse gas emission reductions, with 1 credit corresponding to 1 ton of CO2e reduced.
|
Criteria |
REC Certificates |
Carbon Credits |
| Measurement unit | 1 MWh of electricity generated from renewable energy | 1 ton of CO2e reduced, avoided, or captured |
| Verification and certification | Third parties verify renewable electricity output based on meter readings or data from electricity distributors | Independent consulting organizations demonstrate emission reductions against a baseline scenario and the project’s additionality |
| Purpose of use | To prove the production or consumption of electricity from renewable sources | To offset emissions or comply with emission caps through credit trading |
| Scope of application | Primarily for voluntary commitments and ESG reporting | Includes both voluntary markets and mandatory cap and trade mechanisms |
Why is Blockchain a solution for green transactions?
Transparency and data immutability
Blockchain is well suited for green transactions thanks to its transparency and the immutability of data.
In traditional credit markets, a common risk is double counting, where one credit is sold to multiple parties or information is manipulated for improper gain.
With Blockchain, every transaction is recorded on a public ledger.
Once a Renewable Energy Certificate or a carbon credit is issued, each unit is assigned a unique identifier, enabling clear tracking and ensuring it can only be used once.
Blockchain enhances transparency and prevents fraud and duplication in green credit transactions
Eliminating complex intermediaries
Currently, carbon credit transactions rely on multiple intermediaries such as brokers and bank verification bodies, increasing costs and extending processing time.
Blockchain enables peer to peer (P2P) transactions, allowing businesses to trade directly with each other.
Through smart contracts, payments using digital assets and the transfer of credits are executed automatically and almost instantly, thereby reducing unnecessary procedures and costs.
Optimizing security and scalability
Vietnam’s voluntary carbon market is expanding rapidly with a growing number of participating projects, making manual management methods such as Excel or traditional data systems increasingly overloaded and less secure.
To address this challenge, Blockchain offers an effective solution through advanced security protocols (such as asymmetric cryptography), including public keys and private keys, which clearly define ownership and limit the risk of unauthorized access.
As a result, the transfer of green assets is better protected, while the system remains capable of processing large transaction volumes in a stable manner.
Practical benefits for businesses participating in Blockchain platforms
Building a “Green Brand” image
By joining Blockchain platforms, businesses can clearly demonstrate the origin of REC and carbon credits through transparent and easily verifiable data systems.
This strengthens brand credibility, supports ESG reporting, and helps position the brand in alignment with sustainable development.
Attracting international investment capital
Thanks to transparency and traceability on Blockchain, projects become easier for foreign investors to assess.
Businesses gain a stronger advantage in accessing green capital flows and international investment funds.
Transparent data enables businesses to effectively attract international investment capital
Direct and fast transactions using USDT
Blockchain enables businesses to trade credits directly, reducing reliance on intermediaries.
Through smart contracts, payments using digital assets and the transfer of credits are executed quickly and efficiently, helping shorten transaction time and lower overall costs.
KTG Industrial – Green industrial real estate solutions
Demand for production infrastructure that meets ESG standards is becoming increasingly evident, especially among businesses targeting emissions reduction and sustainable growth.
In response to this trend, KTG Industrial develops ready-built warehouses and factories with a green orientation, focusing on energy efficiency and environmental performance.
Projects are designed to achieve LEED certification, including KTG Industrial VSIP Bac Ninh II Phase 1, which has attained LEED Gold, demonstrating a strong commitment to quality and sustainable development.
At the same time, rooftop solar power systems, optimized lighting and ventilation, along with fire prevention and firefighting systems compliant with international standards, support safe, stable operations and long term cost efficiency for businesses.
International standard infrastructure enables KTG Industrial to easily connect and collaborate globally
Conclusion
In summary, applying Blockchain to carbon credit and REC transactions not only enhances transparency, reduces risks, and lowers transaction costs, but also establishes a reliable foundation for the long term development of the carbon market.
As sustainable development requirements and Net Zero targets become increasingly defined, Blockchain is considered a critical tool that helps businesses access green transactions in an efficient, transparent, and internationally aligned manner.
References
Tap chi cong thuong (2025). Giao dich chung chi nang luong tai tao va tin chi carbon bang blockchain: phat trien thi truong tu nguyen tai Viet Nam.
