KardiaChain is a blockchain platform that aims to be fully interoperable and "non-invasive," meaning that blockchains can connect to the network without needing to make technical modifications to their own protocols. KardiaChain uses a dual-node structure to facilitate the connection between its own ledger and other blockchains, sharding for scalability and smart contracts for developers.The platform relies on a native token, KAI, which is used for staking, transaction fees, participating in services and deploying smart contracts.KardiaChain was first announced in October 2018, and its mainnet went live in December 2020....