P. O. Siqueira Júnior, Ítalo R. Soares Silva, R. Silva Parente, J. de A. Brito Júnior, A. de J. dos Santos, and M. H. Reis Nascimento, “Using blockchain technology for implementation of an android graphics simulation application”, Int J Innov Educ Res, vol. 7, no. 6, pp. 105–118, Jun. 2019, doi: 10.31686/ijier.vol7.iss6.1558.