He Ji,2024-07-302024-07-302023He Ji. Optimizing data security and stability of blockchain technology in the global value exchange system : дипломна робота магістра / He Ji. – Одеса, 2023. – 48 с.https://dspace.onu.edu.ua/handle/123456789/38987The "blockchain" technology has gradually entered the lives of the public and become the focus of attention in society. Blockchain originated from Bitcoin and utilizes an encrypted chain blockchain structure to store data. Consensus algorithm is a core issue in blockchain technology. Using consensus algorithm to generate and validate data can effectively solve the problem of reliable transmission of trust and value on the Internet.However, in the value exchange system, blockchain has never truly been resolved and has achieved sufficient security. If its security and efficiency can be improved, it will greatly strengthen the fundamental tool effect in the global value exchange systemen126 інформаційні системи та технологіїмагістрblockchainidentification algorithmencryption technologyблокчейналгоритм ідентифікаціїтехнологія шифруванняDiplomas