Parachains procedure transactions “in parallel”, spreading them across the overall multichain community for maximum scalability. Blockchains and good contracts are usually limited to some primary transaction types, like sending funds or triggering a contract. Transactions involving chains are restricted and infrequently mediated by centralized products and services. Wood, Web3 Foundat... https://polkadot-website56531.59bloggers.com/27169391/considerations-to-know-about-polka-dot-carts