China Cannot Afford to Use Its Alternative to the Dollar

RealClearWorld  |  Jacob Childress

China's Cross-Border Interbank Payment System processed $24.5 trillion in 2025 alongside mBridge platform expansion, yet the renminbi's global payment share fell from 4.33 percent to 2.74 percent. This divergence underscores structural limitations in Beijing's alternative financial architecture, which functions primarily as a bilateral clearing mechanism rather than a true global reserve currency.

Strict capital controls imposed after the 2015 money outflows restrict offshore liquidity to roughly $234 billion—compared to $15 trillion in foreign dollar assets—preventing foreigners from freely holding or moving renminbi. While Chinese state-backed credit across 150 countries has constructed a captive clientele and grey-market energy clearing system, Beijing cannot loosen capital restrictions without risking internal financial instability. Consequently, central bank gold purchases and shadow trade networks provide transactional fire exits against Western sanction campaigns without displacing the dollar. Beijing’s financial engineering ultimately serves as a defensive hedge against potential American sanctions rather than an offensive monetary replacement.

Comment

Beijing’s expansion of the Cross-Border Interbank Payment System demonstrates how financial clearing mechanisms function as asymmetric defensive buffers against secondary sanctions. By embedding multi-central bank digital platforms like mBridge into bilateral trade, state institutions insulate essential commodity flows from Western clearing chokepoints. This architectural hedge prioritises regime survival and transactional continuity over the pursuit of global currency hegemony. The resulting dual-track system accepts limited offshore liquidity as a necessary trade-off to maintain domestic capital controls and economic stability.

Strategic Question for Discussion

Which factor will weigh more heavily on the long-term adoption of the Cross-Border Interbank Payment System—the insulation it offers against Western sanction regimes or the structural illiquidity imposed by Beijing's capital controls?

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