Polkadot (DOT)
Polkadot is not just another blockchain network. It is a foundation for an entire ecosystem that brings different blockchains into a single space. The idea belongs to Gavin Wood, one of the co-founders of Ethereum and the author of the Solidity language. His goal is to solve the main problem of blockchains: the lack of interoperability between networks.
Polkadot is not a single chain, but a whole multi-chain system. At its center is the Relay Chain — the 'central' blockchain to which independent parachains connect. Each parachain is a separate blockchain with its own rules, functionality, and tokens, but they can all safely communicate with each other through the Relay Chain.
Tokenomics of DOT: staking and governance
The DOT token serves several roles:
1. Staking: DOT can be delegated to validators to secure the network, for which participants receive rewards.
2. Governance: token holders participate in voting on network upgrades, inflation parameters, and other key decisions.
3. Parachain slots: to connect to the Relay Chain, a project needs to 'win' a slot in an auction. To do this, it locks a large amount of DOT (often for years). This model encourages long-term participation and the selection of strong projects.
Interesting fact: expensive slots
Polkadot slot auctions became one of the loudest events in the crypto ecosystem of 2021. Projects like Acala, Moonbeam, and Parallel raised hundreds of millions of dollars in DOT through crowdloan mechanisms — users locked their tokens to support the project and help it win a place in the network.
The cost of a slot reached 100–200 million dollars, making participation in Polkadot a kind of crypto-Olympics — only the most ambitious and resilient projects secured a spot.
Polkadot is a step towards a modular future of blockchains, where each network specializes in its own but all can work together. It is not just a technology, but an attempt to rethink the architecture of Web3 from scratch.