“Cash, but programmable — and the government always knows where it’s been.” A Central Bank Digital Currency (CBDC) is a digital form of sovereign fiat money issued and backed directly by a nation’s central bank, representing a direct liability of the state rather than a commercial bank.
Executive Summary
CBDCs represent the most significant structural innovation in monetary architecture since the end of the Bretton Woods gold standard. Unlike commercial bank deposits (which are liabilities of private banks) or physical cash, a retail CBDC creates a direct digital relationship between the central bank and every citizen or business holding the currency. As of early 2026, 134 countries representing 98% of global GDP are exploring CBDCs; 66 are in advanced development, pilot, or launch phases. The geopolitical stakes are high: CBDCs can entrench or challenge dollar dominance, enable new forms of cross-border payment settlement bypassing SWIFT, and — depending on design choices — create unprecedented state capacity for financial surveillance and programmable monetary control.
The Strategic Mechanism
CBDCs exist in two primary architectures:
- Retail CBDC: Direct central bank digital money accessible to households and businesses — either held in wallets directly with the central bank (direct model) or distributed through regulated intermediaries (two-tier/hybrid model). Most central banks favor the two-tier model to avoid disintermediating commercial banks.
- Wholesale CBDC: Digital central bank money used exclusively for interbank settlement and cross-border transactions. Technically simpler and less controversial than retail CBDCs; the primary vehicle for cross-border CBDC experimentation (e.g., mBridge, Project Dunbar).
Key design choices that determine political and commercial implications include:
- Interest-bearing vs. non-interest-bearing: Interest-bearing retail CBDCs could trigger bank deposit flight; most designs prohibit this.
- Programmability: Smart contract conditions on CBDC spending (expiry dates, restricted merchant categories) create monetary policy precision but raise profound civil liberties concerns.
- Anonymity spectrum: Ranging from fully traceable (maximum compliance/surveillance capability) to tiered privacy (anonymous below a threshold, identified above it).
Market & Policy Impact
- U.S. executive order opposition: President Trump signed an executive order in January 2025 explicitly prohibiting the Federal Reserve from developing or issuing a retail CBDC, citing financial privacy and government surveillance concerns — a significant reversal of previous U.S. CBDC research posture.
- China’s digital yuan (e-CNY) scale-up: China’s e-CNY pilot expanded to 26 cities and multiple provinces by 2024, with transaction volumes exceeding 7 trillion yuan — the most advanced major-economy CBDC deployment globally.
- mBridge cross-border platform: The BIS Innovation Hub’s multi-CBDC platform (mBridge), involving China, Thailand, UAE, Hong Kong, and Saudi Arabia, processed live transactions and represents the most significant infrastructure challenge to SWIFT’s cross-border payment monopoly.
- Commercial bank disintermediation risk: If retail CBDCs attract large deposit transfers from commercial banks, this reduces banks’ funding base and loan capacity — a systemic stability risk that has made most central banks cautious about retail launch timelines.
- Sanctions evasion potential: Cross-border CBDC systems operating outside SWIFT infrastructure can reduce the effectiveness of dollar-denominated sanctions, a strategic concern explicitly raised by U.S. Treasury in its international engagement.
Modern Case Study: mBridge and the Cross-Border CBDC Challenge (2024–2025)
The BIS Innovation Hub’s mBridge platform — a shared multi-CBDC infrastructure allowing real-time cross-border settlement between participating central banks — moved to a “minimum viable product” stage in 2024. Crucially, Saudi Arabia joined the platform in 2024, expanding its membership beyond its original Asian core. The platform enables direct central bank-to-central bank settlement in domestic CBDCs, bypassing correspondent banking networks and SWIFT. For participating countries, mBridge offers faster, cheaper cross-border settlement. For U.S. policymakers, it represents a sanctions-resilient payment corridor connecting economies accounting for a significant share of global commodity trade. The BIS subsequently reduced its formal role, with participating central banks moving toward self-governance — signaling that the infrastructure is maturing beyond experimental phase into a durable geopolitical alternative to dollar-denominated correspondent banking.