Ethereum is the first general-purpose smart contract platform, launched in 2015 and founded by Vitalik Buterin, with ETH as its native cryptocurrency. After shifting to Proof-of-Stake in 2022, energy use fell 99.9% and its Layer 2 ecosystem powers Web3 and on-chain payments.
Bitcoin is the world's first decentralized cryptocurrency, created by Satoshi Nakamoto in 2009 with a fixed supply of 21 million BTC. Known as "digital gold", it is the largest digital asset and supports instant micropayments via the Lightning Network.
Fleek is a decentralized deployment and hosting platform founded in the USA in 2018, delivering content-addressed storage and edge distribution over IPFS/Filecoin with 1-click deployment for mainstream frameworks, a common choice for Web3 sites.
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