Blockchain research
While major innovations have been made in blockchain technology in recent years, the area is still very ripe for further research. Some selected research topics are listed as follows with some information about existing challenges and state of the art. Some ideas are also presented in the following subsections on how to address these issues.
Smart contracts
Significant progress has been made in this area to define the key requirements of smart contracts and development of templates. However, further research is required in the area of making smart contracts more secure and safe.
Centralization issues
This is true for especially Bitcoin mining centralization, there is a growing concern about how Bitcoin can be decentralized again.
Limitations in cryptographic functions
Cryptography used in the Bitcoin blockchain is exceptionally secure and has stood the test of time. In other blockchains, similar security techniques are used and are also very secure. However, specific security...