China’s financial establishment finds itself navigating a profound contradiction: it cannot easily function without the U.S. dollar, yet it is investing heavily in the architecture needed to survive without it. As Washington continues to deploy financial sanctions as a tool of foreign policy — most recently targeting nations that maintain trade ties with Iran — Beijing is quietly expanding its alternative payments infrastructure while stopping well short of abandoning the dollar system it simultaneously depends upon. The tension, analysts say, defines one of the central fault lines of 21st-century geopolitics. The broader context of how Iran isolation policies are reshaping global finance has added new urgency to Beijing’s calculations.
According to a CNBC report, China’s predicament is illustrated sharply by its relationship with Iran. Chinese banks have continued to process transactions with Iranian counterparts, drawing repeated warnings from the U.S. Treasury. Yet those same banks remain deeply embedded in the dollar-clearing system, which runs through American correspondent banks and ultimately through the Federal Reserve. Any Chinese financial institution cut off from dollar access would face an existential threat to its international operations, given that the greenback still accounts for roughly 58 percent of global foreign exchange reserves and an estimated 42 percent of all international payments by value.
CIPS Expansion and the Limits of a Dollar Alternative
Beijing’s primary countermeasure is the Cross-Border Interbank Payment System, known as CIPS, which processes renminbi-denominated international transactions outside the purview of SWIFT’s dollar rails. Launched in 2015, CIPS has expanded steadily, processing approximately 123 trillion yuan — roughly 17 trillion dollars — in transactions in 2024, a figure that represents meaningful growth but remains a fraction of the volumes handled daily by dollar-based clearing systems. The number of institutions directly participating in CIPS reached around 140 by mid-2025, with a further 1,300 indirect participants spread across more than 100 countries.
Yet CIPS carries structural limitations that prevent it from functioning as a true dollar replacement. Many of the system’s indirect participants still rely on SWIFT messaging to communicate instructions, meaning sanctions exposure is not fully eliminated. More critically, global commodity markets — from oil to copper to soybeans — are overwhelmingly priced and settled in dollars. China is the world’s largest importer of several of these commodities, and forcing suppliers to accept renminbi requires offering currency swap arrangements or trade financing that Beijing’s banks can only provide at scale if those institutions themselves retain unfettered dollar access. The system is best understood, analysts argue, as a hedge rather than a replacement.
The Iran Calculation and Its Broader Warning
Iran functions as both a test case and a cautionary tale for Beijing’s sanctions strategy. Chinese state-linked banks have reportedly continued to facilitate energy payments for Iranian crude, often routed through intermediary institutions in third countries or settled partly in renminbi, reducing direct dollar exposure. Washington has responded by threatening secondary sanctions against any financial institution deemed to be materially supporting Iran’s oil revenues — a move that directly targets Beijing’s ability to insulate its banks from American legal reach. Observers tracking financial escape routes note that many of the same channels being tested by Iran are being quietly studied by Chinese policymakers as potential models for a wider decoupling scenario.
The dilemma for Chinese regulators is acute. Pulling banks back from Iran-linked transactions would signal compliance with U.S. pressure and risk diplomatic embarrassment with a key energy partner. Continuing those transactions, however, exposes institutions such as Bank of China and Industrial and Commercial Bank of China — both of which maintain substantial U.S. dollar operations and American client bases — to the kind of correspondent banking restrictions that effectively froze certain Venezuelan and North Korean entities out of global finance within months of designation. Neither option is comfortable, and neither resolves the underlying dependency.
A Long Game Measured in Decades, Not Quarters
Most economists and policy analysts caution against interpreting China’s hedging activities as evidence of an imminent break from the dollar order. The renminbi’s share of global payments, while growing, stood at approximately 4.7 percent in early 2025 — meaningful but still a distant fourth behind the dollar, euro, and pound. Capital account restrictions that prevent the free flow of renminbi across borders remain a fundamental barrier to the currency achieving the reserve status that would be necessary to displace the dollar in any structural sense. Liberalizing those controls would itself expose China to the kind of speculative capital volatility that policymakers in Beijing have spent decades working to prevent.
What is emerging, analysts suggest, is a bifurcated financial world in which certain transactions — particularly those involving sanctioned counterparties or politically sensitive trade flows — migrate gradually onto alternative rails, while the vast majority of China’s international commerce continues to flow through the dollar system. This is less a revolution in global finance than an incremental, strategically deliberate construction of optionality. Beijing is building a door it may never need to open, but wants to ensure is there if Washington decides to change the locks.