Aid decision on blockchain project: public vs private

Blockchain technology has become a reality and its experimentation promises a future of innovative and beneficial technology. In almost all fields, this technology has seduced the actors because of its potentialities, namely traceability, transparency, security, immutability, etc. However, setting up such a technology adapted to one's needs is far from being a classic project. Indeed, a technical and organizational decision support is very important during a blockchain project to measure its actions and anticipate the risks. In this paper, we will focus on the choice of the public or private blockchain according to technical, functional criteria, and a decision aid module based on the Fuzzy method is proposed to do so. The results obtained prove the effectiveness of our approach used in this paper.