vitalik butrin is a blockchain Inventor.He is a Establish ETH blockchain Technology.His Technology use by Ethereum is an open-source, public, blockchain-based distributed computing platform and operating system featuring smart contract functionality. It supports a modified version of Nakamoto consensus via transaction-based state transitions. Ether is a token whose blockchain is generated by the Ethereum platform. bolck. Maney kind of Blockchain projects use this Tecnology.