00556naa#a2200169#i#450# EN\\bibl\56052 20240429041132.1 2588-0071 20221228b2022####ek#y0engy0150####ca RU Blockchain is a factor of sustainability of the regional economic system Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2022 8 с. Journal article local Malakhova Tatyana A. Khosla Gaurav namvd.editorum.ru