Ethereum hands down. Cardano is a shitcoin. Polkadot can't be compared to the other 2 since it isn't exactly a smart contract platform like Ethereum is, its mo

Ethereum hands down. Cardano is a shitcoin. Polkadot can't be compared to the other 2 since it isn't exactly a smart contract platform like Ethereum is, its more of a "blockchain of blockchains". Think of it like a platform for building application specific blockchains rather than building smart contracts: https://wiki.polkadot.network/docs/en/learn-parachains https://wiki.polkadot.network/docs/en/learn-parachains