#DOTMomentum DOT Token
In November 2024, Polkadot transitioned from a model that led to exponential growth in the token supply (but with a constant inflation rate) to one with linear growth (with a decreasing inflation rate). The constant inflation rate model is still in use for Kusama.
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DOT is Polkadot's native token, similar to BTC for Bitcoin or ETH for Ethereum. DOT has three main functions:
Governance: DOT holders can vote network governance and propose changes to the protocol, including fees, token inflation, and code upgrades. Learn more on the governance page.
Staking: DOT holders can lock their tokens to secure the network and get staking rewards for their commitment. Learn more on the staking page.
Access secure computation: DOT is used to purchase Coretime and access secure computation and interoperability; and reserve parachain identifiers for rollups.
A portion of DOT inflation is diverted to the Treasury, which can fund Polkadot-related projects via OpenGov referenda.
See the chain state values page for more information about DOT total issuance, active and inactive issuance, deposits and more.
The Planck Unit¶
The smallest unit of account balance on Polkadot SDK-based blockchains is Planck, named after the Planck Length. DOT equals 1010 Planck, while Kusama's KSM equals 1012 Planck.
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