#Ethereum
1. Ethereum (ETH)
Launched: 2015
Founder: Vitalik Buterin
Consensus Mechanism: Proof of Stake (after “The Merge” in 2022)
Main Strength: Smart contracts, security, and decentralization
Network Speed: ~15–30 transactions per second (TPS)
Gas Fees: Often high, depending on network activity
Ecosystem: Largest DeFi, NFT, and dApp ecosystem
Token Standard: ERC-20, ERC-721 (NFTs)
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2. Solana (SOL)
Launched: 2020
Founder: Anatoly Yakovenko
Consensus Mechanism: Proof of History + Proof of Stake
Main Strength: High speed and low cost
Network Speed: ~65,000 TPS (theoretical), ~2,000+ in practice
Gas Fees: Very low (fractions of a cent)
Ecosystem: Growing DeFi and NFT space, but smaller than Ethereum
Token Standard: SPL tokens
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In Summary:
Ethereum is the most established, secure, and decentralized smart contract platform.
Solana is known for being faster and cheaper, but with some trade-offs in stability and decentralization.