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Polkadot Passes Governance Referendum Capping Total DOT Supply at 2.1 Billion

Polkadot has implemented a hard supply cap of 2.1 billion tokens following the execution of Referendum 1710, leaving 392 million DOT to be minted.

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Polkadot governance has formally executed Referendum 1710, establishing a hard upper limit of 2.1 billion tokens on the network's money supply. The move transitions the blockchain away from its previous open issuance model, which added approximately 120 million new DOT annually without an overall maximum.

As of October 17, 2026, total issuance stood at roughly 1.708 billion DOT, matching circulating supply almost entirely. This leaves 392.2 million DOT—or 18.7% of the total cap—available to be created through a scheduled issuance structure that decreases on an annual basis.

The execution of the cap directly alters future staking yield dynamics and removes open-ended dilution for token holders. On the day of implementation, DOT traded down 5.5% at $1.13, giving the token a circulating market valuation of about $1.94 billion alongside $162.8 million in 24-hour trading volume.

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