What Is a CBDC? Central Bank Digital Currencies Explained

A central bank digital currency (CBDC) is a digital form of a country's official currency, issued and directly backed by the central bank itself, carrying the same sovereign status as physical cash rather than being a claim on a private company's reserves. Dozens of central banks worldwide are researching, piloting, or actively developing CBDCs, though very few have launched a full-scale retail rollout as of today.

Why central banks are pursuing CBDCs

Several overlapping motivations drive CBDC development across different countries. Physical cash usage has declined steadily in many economies as digital payments dominate, and central banks want to ensure the public retains direct access to a risk-free, central-bank-issued form of money rather than relying entirely on private commercial bank deposits and payment networks. Some central banks are also motivated by financial inclusion goals, aiming to give unbanked populations direct access to digital payments without needing a traditional bank account.

There's also a competitive dimension: the rapid growth of privately issued stablecoins and the possibility of foreign digital currencies gaining traction domestically have pushed some central banks to accelerate their own CBDC research, partly to maintain monetary sovereignty and control over domestic payment infrastructure.

Wholesale vs retail CBDCs

CBDC designs generally fall into two broad categories, and the distinction matters enormously for who's actually affected.

Wholesale CBDCs are restricted to use between financial institutions, banks and other regulated entities, for interbank settlement and large-value transactions. These function more like an upgrade to existing interbank settlement infrastructure than a consumer-facing product, and they're generally less controversial since they don't involve individual citizens holding or transacting with the digital currency directly.

Retail CBDCs are designed for use by the general public, functioning as digital cash that individuals and businesses could hold and transact with directly, potentially through a central bank digital wallet or via intermediary banks and payment providers. This is the category that raises the most public debate, since it touches directly on privacy, financial inclusion, and the potential for government visibility into everyday transactions, covered in more depth in our explainer on CBDC privacy concerns.

Wholesale vs retail CBDC comparison

Feature	Wholesale CBDC	Retail CBDC
Who can use it	Banks & financial institutions only	General public
Primary purpose	Interbank settlement efficiency	Consumer payments, financial inclusion
Privacy concerns	Minimal, institutional only	Significant, direct public visibility
Public controversy	Low	High
Current global progress	Several live systems	Mostly pilots, few full launches

Notable examples around the world

China's e-CNY is among the most advanced retail CBDC pilots globally, having processed substantial pilot transaction volume across multiple cities; see our dedicated explainer on the digital yuan for its specific design and adoption. The European Central Bank has advanced work on a digital euro, with an active design and legislative process still underway; see our guide on the digital euro project. The United States has taken a notably more cautious public stance, with ongoing debate over whether and how a US retail CBDC might work, distinct from existing instant payment infrastructure like FedNow; our explainer on the FedNow vs FedCoin debate clarifies this often-confused distinction.

How a CBDC differs from existing digital money

It's worth being precise here: most money most people already use is technically digital, bank deposits accessed via banking apps, for instance. The key difference a CBDC introduces is that it would be a direct central bank liability rather than a commercial bank liability, meaning it carries no counterparty risk to a private bank (similar to physical cash), and depending on design, could bypass commercial banks as intermediaries for certain payments and services, a structural change with significant implications for the banking sector's role in the payment system.

Risks and open questions

Beyond privacy, CBDC design raises questions around financial stability (could a CBDC make bank runs faster and easier, by giving depositors an instant, risk-free digital alternative to bank deposits during a crisis?), technical resilience (centralizing critical payment infrastructure creates a single point of failure that must be extremely robust), and the appropriate role of intermediaries (should commercial banks and payment providers still manage the customer relationship, or should the central bank interact with the public directly?). These questions remain actively debated and unresolved in most jurisdictions still developing their approach.

Bottom line

A CBDC is a central bank's own direct digital currency, distinct from privately issued stablecoins and from existing commercial bank deposits, with wholesale versions focused on interbank efficiency and retail versions raising much broader questions about privacy, financial stability, and the future role of commercial banks. Most major economies remain in pilot or planning stages, meaning the practical, everyday impact of CBDCs for most people is still more a matter of active policy debate than current reality.