Polkadot is an open-source blockchain platform, its main purpose is to enable the secure transfer of digital data and value between different blockchains, even those that are not compatible. In May 2020, Polkadot was launched by Dr. Gavin Wood, one of the Ethereum co-founders; it aimed to provide a solution to some blockchain interoperability problems. The para chain system is its major innovation, it means many blockchains are run in parallel and united with appropriate communication. Read more...