Blockchain technology requires evaluating the current state of interoperability between its platforms, to improve efficiency of the activities that are carried out and enable innovation and new services. Solutions have been proposed to facilitate interoperability between platforms, including Cross-chain technologies, which can be understood as a communication protocol. Some interoperability solutions present problems, e.g., being limited to the exchange of assets, inefficiency in complex scenarios, and introducing a centralizing element of trust that contradicts the principle of decentralization of blockchain networks. Interoperability depends on studies on decentralized consensus, Cross-chain security, and standardized mechanisms that ensure that platforms, regardless of their structural differences, can interact in a secure, efficient, and scalable manner. Therefore, a study on the sta...