Buy Polkadot (DOT): value and price trends

What is Polkadot (DOT)

Polkadot is a network built to let different blockchains talk to each other. At the centre there is a main chain, the Relay Chain, which provides the security of its validators; around it are the connected chains, called parachains, each with its own rules and applications, which share that security and can exchange messages and assets without going through external bridges. The mainnet has been live since May 2020.

DOT is the native crypto-asset: it is staked for the security of the network, used to vote on decisions and to pay for the computing space that connected chains purchase. On Young Platform you can buy and sell the crypto-asset DOT on a spot basis.

Who develops Polkadot and who governs it

The project was born from Gavin Wood, co-founder of Ethereum and author of its first software, who in 2016 published the Polkadot paper and founded the Web3 Foundation, based in Switzerland, to fund it. Software development is entrusted to Parity Technologies, Wood’s company, and to a network of independent teams. In 2024 Wood returned to work full-time on the protocol, with a rewrite project called JAM.

Governance is entirely on-chain. Since 2023 the system has been called OpenGov: anyone holding DOT can propose a referendum and vote, with a weight that grows if they agree to lock their tokens for longer. There is no council with veto power: even software upgrades and treasury spending go through the vote. It is one of the most used governance systems in the sector, with hundreds of referendums decided every year.

How the network works

The Relay Chain does not run applications: it coordinates validators, who stake DOT and are chosen partly on the basis of the tokens other holders delegate to them. Each connected chain produces its own blocks and submits them to the validators of the main network, who verify and finalise them. An attack on a single parachain would therefore require attacking the whole network.

The way chains gain access has changed. Until 2024 they had to win an auction and lock DOT for two years; since September 2024, with Agile Coretime, they buy computing time by the month or by the block, the way one buys capacity on a cloud. On 4 November 2025 the network moved balances, staking and governance from the Relay Chain to a system chain called Asset Hub, now Polkadot Hub: 1.63 billion DOT and 1.5 million accounts migrated in under nine hours, with transfer fees a hundred times lower. The plan is for the Hub to host Ethereum-compatible smart contracts as well.

2025 and 2026: the supply cap and JAM

The most important change for DOT holders is economic. For years the network issued around 120 million DOT a year, inflation of around 10%, with no maximum cap. On 18 October 2025 referendum 1710, approved with 81% of votes, set a cap of 2.1 billion DOT and an issuance that halves every two years: the first reduction, to 60 million a year, took effect on 14 March 2026. At the time of the migration 1.63 billion DOT were in circulation.

The second project is JAM, the protocol rewrite designed by Wood to replace the Relay Chain over time with a more general machine. In January 2026 a public testnet launched, with over forty teams writing independent implementations in different languages; as of mid-2026 JAM was not yet on mainnet, and activation proposals will go through OpenGov. Meanwhile, on 6 March 2026 the first US spot ETF on DOT, issued by 21Shares, was listed on the Nasdaq, staking part of the tokens it holds.

What the DOT token is for

DOT has three functions. The first is staking: validators and those who delegate their tokens to them secure the network and receive a share of issuance in return; staking carries the risk of tokens being slashed if the validator misbehaves and a 28-day lock-up period on deactivation. The second is governance, with the voting mechanism described above. The third is paying for computing time by the connected chains, which since 2024 has been the source of demand for the token tied to actual use of the network.

What to consider before buying DOT

Beyond the volatility common to all crypto-assets, there are three specific elements. The first is adoption: Polkadot’s technology is among the most sophisticated in the sector, but the number of applications and users on its chains has remained below that of competing networks, and the debate on this point is open within the community itself. The second is transition: the network is changing architecture twice in two years, first with the Hub and then with JAM, and each step carries technical risks. The third is dilution: the supply cap reduces issuance but does not eliminate it, and those who do not take part in staking see their share shrink over time. On the price side, DOT reached its all-time high in November 2021.

If you want to transfer DOT to an external wallet, always check the supported destination network in the app: sending on the wrong blockchain can result in the permanent loss of funds.

In summary

Polkadot is the network that bet on shared security between different blockchains, and in 2025 and 2026 remade both its architecture and its economics: the Hub instead of the Relay Chain for everyday operations, a cap of 2.1 billion DOT and an issuance that halves every two years. The token secures, votes and pays for computing space. Understanding how shared security works, and how much the network is actually used, is the best way to decide whether and how to add DOT to your crypto-asset portfolio. For the other major network of connected chains, see the Cosmos page; for a comparison with the network its founder came from, the Ethereum page; for listed products, the ETF entry in the glossary.