Cardano has a double-layer infrastructure, while Polkadot enables multiple blockchains connected to a single mainnet . The primary strength of Polkadot is sustainability and endless scalability, while the upside of Cardano is low (or zero) transaction fees and high speed of transactions.
Read moreWhat is so good about Polkadot?
Having multiple lanes to complete transactions leaves less chance for network overload . Additionally, Polkadot created protocols that allow its network to interact with other blockchains. Since its blockchain network is flexible, it has an increased ability to pivot and serve more specific needs.
Read more