Rianto, I., Djamen, A.C., Tampi, T.I., Langitan, J.S. and Modeong, M. 2025. Transparency and Trust in Minahasa Tourism Advertising using Blockchain. CogITo Smart Journal. 11, 2 (Dec. 2025), 323–336. DOI:https://doi.org/10.31154/cogito.v11i2.969.323-336.