The development of digital人民币 (e-CNY) is accelerating, with new progress emerging in cross-border payment trials between Hong Kong and mainland China. As the People’s Bank of China continues to expand its digital currency ecosystem, a key milestone has been reached through technical collaboration with the Hong Kong Monetary Authority (HKMA). This advancement marks a significant step toward enhancing financial integration within the Greater Bay Area, while also supporting broader goals of RMB internationalization.
Hong Kong Joins Digital人民币 Cross-Border Testing
On December 4, HKMA Chief Executive Eddie Yue published an article titled “New Trends in FinTech – Cross-Border Payments,” revealing that the HKMA is currently working with the People’s Bank of China’s Digital Currency Research Institute to conduct technical testing for using digital人民币 in cross-border transactions.
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This initiative aims to lay the technological groundwork for seamless and secure retail-level payments between Hong Kong and the mainland. While no official launch timeline has been announced, the trial represents a strategic move to modernize regional financial infrastructure.
According to reports from 21st Century Business Herald, the pilot involves Bank of China (Hong Kong) — one of the designated banks authorized by the PBOC — along with approximately 200 invited bank employees and select merchants. The scope of the test focuses on enabling cross-border consumer spending using digital人民币 wallets.
Yue emphasized that RMB usage is already widespread in Hong Kong, particularly among tourists and businesses. With digital人民币 designed as a cash-like digital alternative, its implementation could significantly enhance convenience for travelers and local residents conducting small-value transactions across borders.
Strengthening Financial Infrastructure for Faster, Safer Transactions
The HKMA has long prioritized upgrading payment systems to support faster, more secure cross-border flows. Beyond leveraging existing platforms, it is actively exploring innovative technologies such as central bank digital currencies (CBDCs) and blockchain-based solutions.
One notable example is the Inthanon-LionRock Project, a joint research initiative launched with Thailand’s central bank. Now in its second phase, the project investigates practical applications of CBDCs in areas like foreign exchange settlements, liquidity management, regulatory compliance, and multi-currency interoperability.
By 2019, the project had successfully developed a proof-of-concept prototype based on distributed ledger technology (DLT), involving ten participating banks from both regions. This foundational work paves the way for future multi-CBDC platforms that could integrate digital人民币 into broader international payment networks.
Yue highlighted that these efforts are part of a larger vision: building a resilient, interconnected financial ecosystem that supports real-time, low-cost cross-border transfers — a critical need in today’s global economy.
Expanding Use Cases: From Retail to Regional Integration
Digital人民币 is not just about replacing physical cash — it's about reimagining how money moves across borders and ecosystems.
Recent data from the HKMA shows that as of October 2025, RMB deposits in Hong Kong reached 680.1 billion yuan, reflecting a 1.8% month-on-month increase. Although cross-border RMB remittances for trade settlement dipped slightly to 414.2 billion yuan in October, the underlying demand for RMB-denominated transactions remains strong.
Experts believe that integrating digital人民币 into cross-border frameworks can further boost confidence in RMB usage abroad. Dr. Qu Chuanwei, Chief Economist at Wanxiang Blockchain, noted that digital人民币 wallets do not require linkage to traditional bank accounts, offering greater accessibility and openness.
This feature allows overseas users — even those without mainland bank accounts — to open and use digital人民币 wallets directly. Similarly, mainland consumers traveling to Hong Kong could make instant payments at participating merchants without relying on third-party payment gateways.
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Such flexibility enhances financial inclusion and positions digital人民币 as a viable tool for advancing RMB internationalization, especially in regions like Southeast Asia where demand for alternative payment methods is rising.
Building Toward Greater Bay Area Financial Connectivity
Hong Kong’s engagement with digital人民币 aligns closely with national strategies to deepen economic integration within the Guangdong-Hong Kong-Macao Greater Bay Area.
Financial Secretary Paul Chan has previously stated that while Hong Kong already boasts a highly efficient retail payment system, the true potential of CBDCs lies in wholesale and cross-border applications. To this end, the HKMA has established a dedicated task force focused on identifying opportunities linked to digital人民币 adoption.
Chan emphasized that if digital人民币 can be effectively deployed for cross-border payments, it would significantly strengthen connectivity between Hong Kong and mainland cities — facilitating smoother capital flows, boosting trade efficiency, and supporting the development of two-way channels for RMB liquidity.
This synergy could also complement initiatives like the proposed Wealth Management Connect, which aims to open up investment channels between mainland investors and Hong Kong financial markets. Combined with digital人民币 infrastructure, such programs could create a robust ecosystem for cross-border wealth management and asset allocation.
Strategic Partnerships Driving Innovation
Beyond Hong Kong, domestic collaborations are also fueling innovation in the digital人民币 space.
Recently, the Digital Currency Research Institute signed a strategic cooperation agreement with UnionPay商务, one of China’s largest payment processing companies. The partnership will explore new applications of digital人民币 across online and offline retail environments.
By integrating digital人民币 capabilities into UnionPay商务’s extensive merchant network, the two parties aim to enhance product functionality, expand usage scenarios, and accelerate ecosystem development. This includes optimizing wallet design, improving user experience, and enabling smart contracts for automated payments.
Meanwhile, following successful trials such as Suzhou’s 200 million yuan digital red packet campaign, analysts at CITIC Securities predict that the next phase will involve expanding pilot cities, diversifying test cases (including salary disbursements and government subsidies), and onboarding additional financial institutions.
Frequently Asked Questions (FAQ)
Q: What is digital人民币?
A: Digital人民币 (e-CNY) is China’s official central bank digital currency (CBDC), issued by the People’s Bank of China. It functions as legal tender in digital form and is designed to replace physical cash (M0).
Q: Can foreigners use digital人民币 in Hong Kong?
A: Yes — one of the key advantages of digital人民币 is that users don’t need a mainland bank account. Foreigners and visitors can open wallets via approved platforms and use them for retail payments.
Q: Is digital人民币 the same as mobile payments like Alipay or WeChat Pay?
A: No. While Alipay and WeChat Pay are electronic payment tools linked to bank accounts or cards, digital人民币 is sovereign currency issued directly by the central bank — offering higher security and settlement finality.
Q: How does digital人民币 support RMB internationalization?
A: By enabling fast, traceable, and low-cost cross-border transactions without reliance on traditional banking intermediaries, digital人民币 makes RMB more accessible globally — especially in regions with limited banking infrastructure.
Q: Will digital人民币 replace physical cash completely?
A: Not immediately. The PBOC emphasizes a dual circulation model where digital and physical forms coexist during a long transition period. Cash will remain available for those who prefer it.
Q: Are there privacy concerns with digital人民币?
A: The system uses tiered identity verification — small transactions offer anonymity similar to cash, while larger ones require KYC compliance. This balances user privacy with anti-money laundering requirements.
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With coordinated efforts between regulators, financial institutions, and tech partners, digital人民币 is rapidly evolving from concept to reality. Its role in transforming cross-border payments — starting with Hong Kong — underscores a bold vision for a more connected, efficient, and inclusive financial future across Asia and beyond.