Released in 2015 by Vitalik Buterin, Ethereum is the biggest blockchain marvel since Bitcoin. It has become the most used blockchain network in the world and was the launchpad for NFTs.

Networks Mainnet, Sepolia
Released 2015
Consensus Proof of stake (PoS)
Smart contracts Yes
Block time 12 seconds
Smart contract language(s) supported Solidity, Vyper
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The power of Ethereum

The Ethereum blockchain uses Ether as its currency, which takes second place only to Bitcoin. Ethereum introduced smart contacts expanding the concepts of Bitcoin and taking the platform beyond simple payment distributions.