Cash, bank deposits, electronic money, and stablecoins compared

What to take away

Cash is a direct central-bank liability in physical form; a commercial bank deposit is a claim recorded by a bank.
Electronic money in a nonbank app can be a claim on the provider rather than a deposit in the user's name.
A stablecoin is a token designed to maintain a reference value, but design and redemption terms do not erase issuer, reserve, custody, or market risk.
The payment interface does not identify the legal form of the balance.
Compare issuer, claim, redemption, insurance, settlement, access, and failure treatment before comparing speed.

"Digital dollar" can describe several unlike things. A bank-account balance, a payment-app balance, and a dollar-referenced token may all display $100, yet the holder can have a different legal claim, a different path to redemption, and different protection if an intermediary fails.

This comparison uses broad U.S. categories for education. Product terms and regulation can change, and a specific arrangement may combine several forms.

Comparison table

Feature	Physical cash	Commercial bank deposit	Nonbank electronic money	Dollar-referenced stablecoin
Basic form	Note or coin	Account entry	Provider ledger balance	Token or ledger unit
Primary issuer or obligor	Central bank or sovereign authority	Commercial bank	Nonbank provider	Stablecoin issuer or defined arrangement
Holder's position	Possession of physical money	Claim on bank	Contractual claim under provider terms	Token plus stated redemption or market rights
Transfer method	Physical delivery	Bank payment rail or book transfer	Provider ledger or linked rail	Distributed or permissioned ledger transfer
Redemption	Already denominated cash	Withdrawal or payment from account	Transfer or withdrawal under terms	Issuer redemption or market sale, if available
Main dependency	Authenticity and physical custody	Bank, account access, and payment system	Provider, safeguarding structure, and partners	Issuer, reserves, custody, ledger, and liquidity

The table is a starting map. It does not state that every product in one column has identical protection.

Physical cash

Cash settles by physical transfer. The payer gives the payee notes or coins, and no remote provider must update a customer account for the exchange to occur.

Strengths

immediate face-to-face transfer;
no account, device, or network required;
broad usefulness for small domestic payments;
direct possession by the holder.

Limits and risks

theft, loss, fire, and counterfeit risk;
difficult remote transfer;
poor recovery after mistaken delivery;
physical handling and storage cost;
no automatic transaction history.

Cash privacy is practical, not absolute. Cameras, receipts, serial-number records, and surrounding activity can create evidence.

Commercial bank deposits

A deposit is an account-based claim on a bank. The bank maintains the ledger, and the customer uses payment instruments and services to direct transfers or withdrawals.

Federal Reserve Governor Christopher Waller has described the U.S. mix as central bank money in cash, commercial bank money in bank deposits, and nonbank electronic money in payment-app balances, with stablecoins as another form of private money. That payment-money distinction helps separate the balance from the app or instrument used to move it.

Strengths

integrated payment, withdrawal, and account services;
established records and statements;
potential federal deposit insurance when eligibility requirements are met;
access to regulated error and complaint processes for covered activity.

Limits and risks

account restrictions, operational outages, and identity checks;
payment timing and cutoff rules;
fraud and unauthorized access;
balances above applicable insurance limits;
intermediary dependence for remote payments.

A bank app does not turn a deposit into a different form of money. It changes the access channel.

Nonbank electronic money

Here, "electronic money" means a value balance maintained by a nonbank provider for payment or transfer. The provider may keep customer-level entries on its own ledger and place backing funds with one or more banks or in another safeguarding arrangement.

The user's position depends on the contract and structure:

Is the user the recognized owner of a bank deposit?
Does the provider hold pooled funds for customers?
Are records sufficient for pass-through insurance if a bank fails?
What happens if the nonbank, rather than the partner bank, fails?
Can the balance be withdrawn at par, and how quickly?
May the provider freeze or reverse entries?

Do not infer federal insurance from a bank logo or partner-bank name. Confirm the entity, placement of funds, recordkeeping conditions, and event the insurance covers.

Stablecoins

A stablecoin is a digital asset designed to maintain a stable value relative to a reference, often one U.S. dollar. It may circulate on a public blockchain, a permissioned ledger, or several networks.

Stability depends on structure and behavior, not the name. Review:

issuer and regulatory status;
eligible holder and direct redemption rights;
reserve assets and custody;
frequency and independence of reserve reporting;
fees, minimums, and redemption time;
token contract and supported networks;
freeze, upgrade, blacklist, and recovery powers;
secondary-market liquidity and price;
treatment during issuer, custodian, or network failure.

A token trading near one dollar is not the same thing as an insured bank deposit. A reserve account held by an issuer at a bank is also not automatically an insured deposit owned by each token holder.

Compare protection without slogans

The FDIC's insured-deposits guide states that insurance protects eligible deposits at an insured bank if that bank fails, subject to limits and ownership categories, and distinguishes deposits from investments. It does not insure every dollar-denominated product or protect against every kind of loss.

Use four separate questions:

What entity owes the holder?
What event does the protection cover?
What eligibility, recordkeeping, and limit rules apply?
What losses remain outside the protection?

Fraud reimbursement, insolvency protection, collateral backing, and price stability are different claims.

Compare transfer and settlement

Question	Cash	Deposit	Electronic money	Stablecoin
Can transfer happen inside one ledger?	Not applicable	Yes, within bank	Often	Yes, on supported ledger
Does transfer require outside settlement?	No remote settlement	Often for interbank payment	Often for funding or withdrawal	Often for purchase or redemption
Can recipient access be restricted?	Physical possession controls	Yes	Yes	Wallet or issuer controls may apply
Can a mistaken transfer be reversed?	Rarely without recipient	Depends on rail and law	Depends on terms and rail	Ledger transfer may be irreversible, separate recovery may exist

Speed at one layer can hide delay elsewhere. A stablecoin can move on-chain quickly while bank redemption takes longer. An app can credit instantly while settlement or withdrawal remains pending.

Use a claim map

For any product, fill in:

Field	Answer to verify
Display name	Product and balance label
Legal provider	Entity named in terms
Form of value	Deposit, stored balance, token, or other claim
Holder claim	Who owes what to the user
Backing	Assets, segregation, and custodian
Redemption	Eligible party, price, fee, limit, and timing
Transfer rail	Provider ledger, bank rail, or token network
Protection	Exact covered event and conditions
Failure plan	Bank, nonbank, issuer, custodian, and network scenarios

If a field cannot be verified, treat it as unknown rather than filling it with the product's marketing language.

Common questions

Is money in a bank app electronic money?

The interface is electronic, but the underlying balance may be a commercial bank deposit. Identify the legal account, not the screen.

Does a stablecoin equal one dollar?

It is designed to track a reference value. Market price, direct redemption access, fees, reserves, and operational conditions can affect what a holder receives.

Is cash risk-free?

No. It avoids some intermediary and network risks but carries physical loss, theft, counterfeit, and handling risks.

Can a nonbank app balance be insured?

Some arrangements may offer pass-through coverage when requirements are met. Confirm the specific structure and remember that bank-failure insurance does not protect against every nonbank failure or transaction loss.