Figure 3. Blockchain design approach for the Covid-19 vaccine
Nowadays, the implementation is carried out with the Ethereum business protocol which audits each process as if it were a smart contract with its corresponding digital signature, thus allowing authenticating each process and registering changes in the information (Cong & He, 2018), information that is selected, cleaned and analyzed employing data mining processes (Pinto, López, & Cuesta, 2011), all this stored in a database located in the cloud, with its pertinent display interface for the interaction of the information previously mentioned. (Javaid, Haleem, Vaishya, Bahl, & Suman, 2020).