A Survey on the Security of Blockchain Systems

Understand

Since its inception, the blockchain technology has shown promising application prospects.

• From the initial cryptocurrency to the current smart contract, blockchain has been applied to many fields.
• Although there are some studies on the security and privacy issues of blockchain, there lacks a systematic examination on the security of blockchain systems.
• In this paper, we conduct a systematic study on the security threats to blockchain and survey the corresponding real attacks by examining popular blockchain systems.