If you want to build a crypto application, from NFTs to decentralized finance, you're probably going to build it on Ethereum. But should you? The truth is, Ethereum has some big issues for developers, most notably slow transaction speeds and high fees.
Ethereum's problems have left an opening for a number of upstart blockchains, including Solana, Cardano, Polkadot, Celo, Avalanche, and Flow, that offer faster and cheaper transactions. While it may be too early to call them "Ethereum killers," they have shown signs of taking market share from Ethereum.
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