Polkadot Sets Hard Supply Cap, Aims for Bitcoin-Like Scarcity Amid Market Downturn
September 15, 2025
Additionally, a new inflation schedule starting March 14, 2026, will gradually taper token issuance over two years, with options for phased reductions to control supply growth.
Stakeholders are encouraged to reconsider their investment strategies as these changes aim to deepen community engagement, improve market stability, and prepare for future innovations and regulatory challenges.
Polkadot is also preparing for the upcoming Polkadot 2.0 upgrade, which promises enhanced scalability, interoperability, and governance features, further strengthening its technological foundation.
Despite these positive developments, the broader cryptocurrency market experienced declines, with Bitcoin down 1% and Ethereum and XRP each dropping over 3%, reflecting a general market downturn.
Polkadot's decentralized autonomous organization has ratified a referendum with 81% support to establish a fixed supply cap of 2.1 billion DOT tokens, marking a major shift from its previous inflationary model.
This move to a hard cap aims to introduce scarcity, emulate the scarcity narrative of Bitcoin, and reduce inflationary pressures, ultimately aiming to stabilize the token's value.
The transition to a capped supply aligns Polkadot's tokenomics more closely with assets like Bitcoin, emphasizing scarcity and sustainable growth to foster investor confidence.
The new supply cap will stop the issuance of approximately 120 million new DOT tokens annually, which is expected to slow the minting process and increase scarcity.
Currently, about 1.6 billion DOT are in circulation, representing roughly 76% of the total capped supply, with the final cap projected around the year 2160.
Polkadot's ecosystem and developer engagement remain developing, and its performance still lags behind Ethereum, despite recent market activity.
The combination of supply capping and technological advancements aims to position Polkadot as a resilient, community-driven platform capable of attracting institutional interest and adapting to evolving regulatory landscapes.
This strategic shift coincides with Gavin Wood's return as CEO of Parity Technologies, signaling renewed efforts to bolster Polkadot's competitive position against rivals like Ethereum.
Following the announcement, the price of DOT experienced a short-term decline of about 5%, from $4.35 to $4.15, reflecting market reactions to the changes.
Summary based on 5 sources
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Sources

Cointelegraph • Sep 15, 2025
Polkadot DAO approves 2.1B token cap on DOT supply in tokenomics shift
BeInCrypto • Sep 15, 2025
Polkadot Caps DOT Supply at 2.1B to Spark Scarcity Narrative
CryptoSlate • Sep 15, 2025
Polkadot sets 2.1 billion DOT cap to reshape tokenomics, but market slides 5%
DL News • Sep 15, 2025
Polkadot DAO executes plan to make its DOT cryptocurrency scarcer