Аннотация
Since the advent of Blockchain, the computer database has undergone continuous evolu-tion, integrating cutting-edge technologies. As emerging technologies gain traction, Blockchain experiences increased adoption. Across various Blockchain technologies, a shared algo-rithm governs their operations. The consensus algorithm plays a pivotal role in ensuring mutual agreements and storing information within the decentralized network database. While Blockchain faces challenges related to scalability, employing the right consensus al-gorithm for specific tasks can enhance efficiency in data storage, transaction finality, and data integrity.