#polkadot
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9 years ago, Vitalik Buterin presented his Ethereum smart contract platform to the world. He officially announced his invention on BitcoinTalk Forum with a post titled "Welcome to the New Beginning!"
It’s not an anniversary date, so let’s do without flowers and applause.
But one thing that we would like to mention is that everyone who made their first steps at that time became most powerful people in crypto.
With its roots in the Ethereum team, crypto mafia has spread across the world:
- Charles Hoskinson launched Cardano in 2017.
- Anthony Di Iorio launched Decentral Inc. and the Jaxx wallet
- Joseph Lubin launched ConsenSys
- Gavin Wood created Polkadot and developed the Solidity smart contract language.
Our congratulations on these achievements, Vitalik! Polkadot Parachains: A Detailed Overview
A parachain is a data structure for a specific application. It is globally agreed upon and interacts with the validators of the Polkadot relay chain, which is responsible for coordinating the overall system. Almost always, a parachain takes the form of a blockchain, but this is not a mandatory condition. 
