What is a national blockchain network and does the world need one?

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What is a national blockchain network

China puts blockchain on its national agenda

China's Communist Party leadership and State Council called for the construction of a national blockchain network on October 9. The proposal is part of a 19-measure economic plan aimed at accelerating technological innovation, modernizing industry, and expanding digital infrastructure across the economy.

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The plan also calls for a nationwide computing network and improvements to data-sharing infrastructure. However, it provides no budget, launch date, or technical specifications for the proposed blockchain system. It remains unclear which institutions would operate it or how businesses would gain access.

China's interest in blockchain is not new. Beijing has supported its use in government and industry for years, even as it has maintained strict restrictions on cryptocurrency trading and mining. The new proposal does not suggest any relaxation of those restrictions.

The country already has the Blockchain-based Service Network (BSN), launched in 2020 to make blockchain applications easier and cheaper to develop. The announcement does not explain whether the proposed network would build on BSN or operate separately, raising questions about how the new infrastructure would fit alongside existing systems.

How would such a system work?

A national blockchain network is a shared digital infrastructure that allows participating organizations to record and verify information using common rules. Rather than relying entirely on separate databases, government departments, banks, and businesses could use a shared record to confirm transactions and verify that documents have not been altered. The documents themselves could remain in existing databases, with the blockchain storing information needed to check their authenticity.

Consider a company importing goods. Customs authorities, banks, logistics providers, and tax agencies may all need information about the same shipment. A shared blockchain could allow authorized participants to verify documents and track changes without repeatedly requesting information from one another.

Unlike Bitcoin, which anyone can join, government blockchain networks typically restrict who can participate and validate transactions. These permissioned systems give operators greater control over access and sensitive information, although their governance is more centralized than that of public cryptocurrencies. They also do not need a cryptocurrency to function.

Who else is building similar infrastructure?

India introduced its National Blockchain Framework, known as Vishvasya, in September 2024 to provide shared infrastructure for public-sector applications. Since then, the initiative has moved beyond planning, with practical services emerging across several states. Government-backed blockchain systems are being used for property records in Karnataka and Jharkhand, while Andhra Pradesh launched a blockchain land-records pilot in July 2026. Other applications include educational certificate verification and medicine supply-chain tracking.

Europe has taken a cross-border approach through the European Blockchain Services Infrastructure (EBSI). The network has already supported pilot projects involving educational credentials, identity verification, and other public services. Now overseen by EUROPEUM-EDIC, it is preparing for a broader production launch in late 2026. Unlike China's proposed national system, EBSI is designed to help participating European countries verify and exchange information across borders.

Is blockchain really necessary?

The strongest argument for government-backed blockchain is that it allows several organizations to maintain and verify shared records without relying entirely on one institution. This could be useful for cross-border documents, professional qualifications, and supply chains involving multiple independent participants.

But conventional databases can perform many of the same tasks. They are often faster, cheaper, and easier to maintain. If participants already trust the authority managing a government-controlled system, a conventional database with carefully managed access might achieve similar results without the added complexity.

Privacy and accountability raise further questions. A national network could make records easier to audit, but it might also give authorities greater visibility into business activities and personal information. Designers must determine who can access sensitive data, correct mistakes, and resolve disputes between institutions. Even then, blockchain cannot guarantee that information is accurate when first entered. A false document does not become trustworthy simply because it is stored on a tamper-resistant system.

A useful public service or expensive duplication?

Turning a national blockchain network into a useful public service requires more than technical infrastructure. Government agencies and businesses must agree on common standards, decide who controls access, and adapt existing systems to work together. Even then, governments must show that the investment can make public services faster, cheaper, or more reliable.

China already has blockchain infrastructure, yet its latest proposal leaves unanswered what a new national network would accomplish and how its success would be measured. Other governments face a similar test. Building a nationwide blockchain system is one thing. Demonstrating that it can deliver better public services than existing technology is another.

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