• Hiral Rathod
• Sunil Kapadia,
• Tejas Patel

The problem of block chain cyber security is discussed in this survey study. Block chain cyber security is essential in today's generation[08]. Many studies on block chain cyber security have been done in the past quarter. This research article discusses block chain cyber security improvement. Discussing blockchain technology cybersecurity. Block chain technology, derived from the Merkle Tree, would be a decentralised digital record that secures data transfers. Its decentralisation eliminates the need for these central authority to manage it. This article presents an overview of block chain technology. This study first clarifies the basics of Blockchain Technologies. This research study surveys algorithms presented in numerous block chains. Block chain, the backbone of Bitcoin, has lately gotten a lot of Block chain is really an irreversible data storage technique that may be used to store value in anything. Nevertheless, becoming a human concept, block chain technology has drawbacks such as sustainability, privacy, and non-technical customer. Furthermore, this study effort has discussed current technological advancements.

Cyber Threat Intelligence (CTI), Distributed Ledger Technology (DLT), Directed Acyclic Graph (DAG), Cyber Security Information Exchange (CYBEX),etc.

"A LITERATURE SURVEY ON BLOCKCHAIN CYBER SECURITY DESIGN", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.8, Issue 9, page no.b512-b518, September-2021, Available :http://www.jetir.org/papers/JETIR2109161.pdf

"A LITERATURE SURVEY ON BLOCKCHAIN CYBER SECURITY DESIGN", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.8, Issue 9, page no. ppb512-b518, September-2021, Available at : http://www.jetir.org/papers/JETIR2109161.pdf