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Digital currency is not one universally defined category, and there is no official master list of ten types. The term covers digital forms of central-bank and commercial-bank money as well as privately issued cryptoassets, tokens and other instruments. The ten labels below are a practical guide: some describe who issues an asset, some how it is backed, and others what it does. They can overlap, and a digital asset is not automatically money or a blockchain-based cryptocurrency.
1. Retail central-bank digital currencies (CBDCs)
A retail CBDC is digital money issued by a central bank for use by the public. Like physical cash, it is a direct liability of the central bank, rather than a claim on a private bank or stablecoin issuer. That issuer and liability are the key distinction from other digital payment instruments.
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A CBDC does not have to use a blockchain or operate like a decentralized cryptocurrency. Depending on its design, users might access it through accounts or hold and transfer digital tokens. The Federal Reserve’s CBDC explainer says the Fed had not decided whether to pursue or implement a U.S. CBDC as of that page; that is a statement about the United States, not about every central bank.
2. Wholesale CBDCs
A wholesale CBDC is a restricted-access digital central-bank settlement instrument intended for financial institutions or other wholesale payment uses, rather than everyday public payments. It remains central-bank money; the difference from a retail CBDC is principally who can use it and for what kind of transaction. “Retail” and “wholesale” are design and access distinctions, not separate kinds of issuer.
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3. Tokenized commercial-bank deposits
A tokenized deposit is a digital representation of a commercial-bank deposit in a distributed-ledger technology (DLT) system. The underlying claim is still on the commercial bank: tokenization changes how the deposit is represented or transferred, not which institution owes it. The Bank for International Settlements (BIS) uses this distinction in its description of tokenized deposits.
This matters when comparing instruments that may all appear as digital balances. A deposit token is not a central-bank liability merely because it is tokenized, and its treatment and transfer arrangements depend on the bank and the system using it.
4. Electronic money and e-money tokens
Electronic money (often shortened to e-money) is a broad everyday description for value stored and used electronically. The legal meaning of “e-money” varies by jurisdiction, so it should not be treated as a universal label for every app balance, bank deposit or cryptoasset.
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In the European Union’s Markets in Crypto-Assets Regulation (MiCA), an e-money token (EMT) is a type of cryptoasset that purports to maintain a stable value by referencing one official currency. This is a specific EU legal category, not a synonym for every stablecoin or every digital euro-denominated balance. An EMT may also fit the broader functional description of a stablecoin, illustrating why these labels can overlap.
5. Stablecoins
A stablecoin is a privately issued cryptoasset designed to maintain a stable value relative to a specified asset or basket. Some designs seek to support that target with reserves such as short-term fiat-denominated assets; others use cryptoassets as collateral and may rely on smart contracts. BIS describes stablecoins in terms of their attempt to maintain a stable value, while the details vary by instrument.
“Designed to be stable” is not a guarantee that a token’s market price will never move, or that a holder can always redeem it on particular terms. The backing, redemption process, reserve disclosures and legal claims are specific to the issuer and instrument. A stablecoin is not a CBDC: it is privately issued rather than a liability of a central bank.
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6. Unbacked cryptocurrencies
Unbacked cryptocurrencies are private-sector digital assets whose value is not necessarily tied to a reserve asset or a redeemable promise from an issuer. They generally rely on cryptography and distributed-ledger or similar technology to record and validate activity. Their market value can be driven by demand and supply rather than a claim to a fixed amount of money or assets.
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1Fix the driver behind crashes, sound loss and screen glitches2Clear out junk files and repair common Windows errors3Scan for outdated or missing drivers - takes under a minuteThe word “cryptocurrency” does not mean that a government backs the asset or that it reliably functions as money. Some digital currencies are not cryptocurrencies at all, and cryptoassets differ in their technical designs and rights.
7. Utility or access tokens
A utility or access token provides a function within a product, service or platform, such as permission to use a feature or participate in a closed system. IMF material gives store-card and gaming tokens as examples of value with use in a particular environment. Such a token can be useful without being accepted as general-purpose money, redeemable for cash or transferable outside its platform.
Check the specific platform’s terms to learn what the token lets a holder do, whether it can be transferred, and whether any redemption is offered. The label alone does not establish those rights.
8. Security tokens and tokenized securities
A security token or tokenized security represents a financial instrument in digital-token form. It belongs in a guide to digital-currency terms because it may resemble other cryptoassets in how it is held or transferred, but it is not necessarily currency. Its legal treatment depends on the instrument’s features and the jurisdiction.
The U.S. Securities and Exchange Commission (SEC) cautions that rights attached to a cryptoasset can differ materially from rights attached to an underlying security. A token that references a company or asset does not, by that fact alone, guarantee identical ownership, voting or economic rights. The governing documents and applicable law matter.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.9. Governance and exchange tokens
These are functional labels used for tokens associated with crypto projects. A governance token may give holders a way to participate in protocol decisions; an exchange token may be used within or in connection with an exchange ecosystem. A particular project may combine functions, and the labels do not form universally recognized, mutually exclusive currency classes.
What holders can actually do depends on the project’s rules and terms. Having a governance token does not by itself establish control over a project, while an exchange token’s practical uses or benefits should not be assumed from its name.
10. Privacy-focused tokens
Privacy-focused tokens or systems are designed to provide additional privacy for transactions. The label covers differing approaches, and there is no single institutional definition or uniform privacy guarantee established for all such assets. Privacy features should not be read as a promise of anonymity: the protections and their limits depend on the specific system.
How to distinguish the main kinds of digital money
When several instruments look like digital balances, four questions help separate them: who owes the holder something, what supports or determines the value, who can use the instrument and for what, and what legal or redemption rights apply. The table compares four often-confused categories on those axes; details remain instrument- and jurisdiction-specific.
| Instrument | Issuer or liability | Value basis | Typical purpose or access | Redemption or legal point |
|---|---|---|---|---|
| CBDC | Central bank liability | Central-bank money denominated in the relevant currency | Retail use by the public or restricted wholesale settlement, depending on design | Design and legal treatment depend on the issuing jurisdiction |
| Tokenized commercial-bank deposit | Commercial-bank deposit liability | Claim represented as a deposit in a DLT system | Bank deposit use and transfer in the relevant system | Claim remains on the bank; implementation terms matter |
| Stablecoin | Private issuer or arrangement | Targeted relationship to an asset or basket; reserve or collateral model varies | Cryptoasset use, with access and transfer depending on design | Price stability and redemption are not guaranteed merely by the label |
| Unbacked cryptocurrency | No necessary redeeming issuer | Market demand rather than a required reserve-backed peg | Use and access depend on the particular network or system | No general promise of fixed-value redemption follows from the category |
These distinctions also explain why “digital,” “tokenized,” “stable” and “currency” should not be treated as interchangeable descriptions. BIS offers useful distinctions by issuer, form and access, but does not prescribe a canonical ten-type list. The IMF likewise notes that cryptoasset classifications and terminology are not globally consistent.
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