infrastructure development; verification and adding of new photographers; photographers can add photos to the artex database by adding information about authorship in the blockchain; accreditation of primary photo printing labs and exhibition photo galleries; processing and pre-assessment of a picture by an expert community (payment to examiners); creation of a preliminary large database of authentic photos from verified authors on the basis of 35photo and 35awards (aprox. 1.6 million professional photos); the creation of a mechanism for finding similar photographs using other photos in the database; development of a quick photo search app for mobile ios and android; issue and acquisition of tokens that give permission to print photos; creation of a photo exchange