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).