Cryptocurrencies are designed with varying models of supply, impacting their scarcity, inflation rates, and ultimately, their economic behavior. Two primary supply models exist: capped and uncapped.
Capped Supply
Cryptocurrencies with a capped supply feature a pre-established maximum number of coins that can ever be created. Key characteristics include:
- Limited Availability: The total number of coins is set in advance, creating a sense of scarcity. Bitcoin, for instance, has a cap of 21 million coins.
- Value Enhancement: This artificial scarcity can boost the perceived value of a cryptocurrency since investors are aware of its limited availability.
- Inflation Management: A capped supply helps control inflation, as new coins cannot be arbitrarily minted to devalue existing ones.
Uncapped Supply
Cryptocurrencies with an uncapped supply have no predetermined limit on the total number of coins that can be produced. Key features include:
- No Upper Limit: New coins can be continuously generated, often as rewards for miners or validators, allowing for a flexible supply that can adjust to support growth and adoption.
- Inflation Risks: Excessive coin production can lead to inflation by diluting the value of existing coins.
Examples:
Capped Supply
- Bitcoin (BTC): Limited to 21 million coins.
- Litecoin (LTC): 84 million coin limit.
Uncapped Supply
- Ethereum (ETH): Currently no fixed cap, but the 2022 “Merge” introduced mechanisms to reduce new ETH issuance.
- Dogecoin (DOGE): No supply cap.
Choosing the Right Model: There’s no universally “best” option, as each model offers its own advantages and drawbacks. Capped or uncapped supply is a design choice for a cryptocurrency, and its suitability depends on factors like a project’s goals and economic model.

