Saudi Arabia has quietly walked away from mBridge, the China-linked cross-border digital currency platform that has rattled policymakers in Washington. The kingdom’s central bank confirmed it is “no longer a participating member” after finishing its planned trial — and while officials insist the exit was scheduled all along, the timing tells a more complicated story about money, politics, and the dollar’s grip on global payments.
By Amir Hassan | September 21, 2026
The Hook: A Planned Exit — or a Polite One?
According to a Financial Times report, the Saudi Central Bank, known as SAMA, confirmed it had ended its participation in mBridge after completing its planned proof of concept on May 13, 2025. “As planned, SAMA successfully completed its mBridge [proof of concept] on 13 May 2025. Following the completion of the PoC, SAMA is no longer a participating member of mBridge,” the central bank said in a statement.
SAMA’s journey with the project was real but short. The kingdom joined as an observing member in 2023 under the Bank for International Settlements, became an active participant in 2024 alongside China, Hong Kong, Thailand, and the United Arab Emirates, helped develop the platform’s minimum viable product, and ran its proof of concept in 2024. A person familiar with the matter told the FT it would be “inaccurate to draw any wider inference” from the decision, because SAMA’s involvement had been limited from the start. Another person familiar with the situation said the central bank simply no longer wanted to be publicly involved — but continues to engage more discreetly.
The Technology: What mBridge Actually Does
mBridge is a wholesale system for central bank digital currencies — think of it as a private highway between central banks and their commercial banks, separate from the public crypto markets. Its blockchain infrastructure lets participating institutions settle payments and foreign exchange transactions directly in digital versions of their own national currencies, without the US dollar sitting in the middle of every trade as an intermediary.
That last part is what makes it politically radioactive in Washington. The traditional system routes most international payments through dollar-based correspondent banks, which gives the United States enormous visibility and leverage. A system where central banks transact directly in their own currencies dilutes that leverage — not in a day, but over years. The project reached its minimum viable product stage in 2024, moving beyond experiments toward real-value transactions, and it has kept growing: Macau has since joined the network, with the system going live there in June 2026 and giving local banks access to the cross-border infrastructure.
The Core Conflict: Washington’s Shadow Over the Project
The political subtext is hard to ignore. The BIS, which helped develop the platform, left the project in October 2024. Its general manager at the time, Agustín Carstens, said the institution had “graduated out” because participating central banks were capable of continuing the work themselves, and he rejected suggestions that the departure meant mBridge had failed or was politically driven. The FT separately reported that Washington had pressured the institution to withdraw.
US concerns are not abstract. Daleep Singh, who served as White House deputy national security adviser for international economics under former President Joe Biden, warned in 2025 that China could gain considerable influence over standards governing privacy, security, interoperability, and the enforcement of US sanctions through the platform. President Donald Trump has separately threatened BRICS countries with tariffs if they pursue alternatives intended to replace the US dollar in international trade.
Yet the picture is not simply “America blocks, everyone obeys.” Eswar Prasad, a Cornell University professor and senior fellow at the Brookings Institution, told the FT that many US allies view systems like mBridge as economically useful precisely because they reduce excessive dependence on the dollar-dominated financial system — they are just careful about saying so publicly while remaining sensitive to US objections and to the expanding international role of China’s renminbi.
On-Chain Evidence: China Isn’t Waiting Around
Whatever Saudi Arabia’s reasons, China has kept building alternative rails for cross-border digital currency payments. In July, the Industrial and Commercial Bank of China completed the first digital yuan payment between China and Singapore through the upgraded Digital Currency Express platform — settling nearly 10 million yuan in import shipping fees, with funds reaching the Singapore recipient the same day. ICBC’s Inner Mongolia branch later moved 220 million yuan to Hong Kong through the multilateral CBDC bridge.
The Digital Currency Express system, which supports both centralized and blockchain-based settlement, was upgraded in 2026 to combine earlier cross-border payment, blockchain service, and digital asset systems into one network using ISO 20022 messaging standards — the same language big banks already speak. Domestically, the People’s Bank of China added eight commercial banks to the e-CNY operating network in August, bringing the number of service operators to 30. Official figures cited when China revised its digital yuan framework showed the currency had processed 3.48 billion transactions by November 2025, and beginning in January 2026, verified digital yuan wallets were permitted to earn interest — a step well beyond a simple electronic cash experiment.
Market Implications: Why Crypto Holders Should Care
This story is not about tokens going up or down — Bitcoin traded around $86,036 at the time of writing, up roughly 5.8% on the day. It matters for a different reason: it reveals how governments are quietly racing to build the plumbing for digital money, and that plumbing is increasingly separate from both the dollar and public blockchains. Central banks that once dismissed crypto are now deploying its core invention — shared ledgers that settle instantly — in systems they fully control.
There is a bridge to the public market too. Wang Xin, director general of the PBOC Research Bureau, said in June that stablecoins could take on a larger role in international payments, while calling for closer monitoring of their effect on payment infrastructure and the international monetary system. Translation: the technology Bitcoin pioneered is being absorbed into state-backed finance from two directions at once — through central bank digital currencies and through regulated stablecoins.
The Verdict: The Dollar’s Era Isn’t Ending, but It’s Being Negotiated
Saudi Arabia’s exit from mBridge changes little on its own. The kingdom says the plan was always to test and move on, and a source insists no wider conclusion should be drawn. But the surrounding facts — the BIS withdrawal under reported US pressure, Trump’s tariff threats against dollar alternatives, China’s relentless expansion of digital yuan rails, and allies quietly hedging their bets — show a global payments order in active renegotiation.
For regular investors, the takeaway is context, not action. The next decade’s financial infrastructure is being built right now, partly on public blockchains you can own a piece of, and partly on closed systems run by central banks. Watching which way countries like Saudi Arabia lean — and whether “discreet engagement” becomes re-entry — is a slow-motion signal worth keeping on your radar alongside the daily price charts.
The cryptocurrency market remains highly volatile. This article is for informational purposes only and does not constitute financial advice.
SAMA saying the exit was planned since the May 2025 PoC wrapped does not really explain why it took this long to confirm. The FT angle on Washington pressure is the real story here.
right, mBridge settling FX directly between central banks with no dollar in the middle is exactly what makes it radioactive in DC. Riyadh stepping back quietly says plenty
they finished the PoC back in May 2025 and waited this long to say it publicly. planned exit sure, but the silence was the message
the BIS pulled out of mBridge first and everyone acted shocked when members followed. riyadh just picked a quieter way to say goodbye
SAMA never publishes anything by accident. With Washington watching mBridge that closely and tariff threats on the table, staying quiet until now was the polite exit.
riyadh choosing the dollar alliance over a brics payments rail is the least surprising news of the year tbh