부산대학교 도서관

Blockchain-based decentralized technology has gained a lot of attractions and interest in academia and industry. This peer-to-peer and transparent blockchain network makes it an acceptable technology. This decentralized network has many great specifications such as transparency, immutability, irreversibility and auditability. Bitcoin, the first and most successful blockchain application, achieves much success in recent years. This survey article attempts to outline an extensive survey of blockchain technology, investigating its structures, various protocol layers, features, value, challenges, and applications.