Various enhancements and suggestions to further develop existing blockchains have been made over the last few years. Most of these suggestions have been made in response to security vulnerabilities and to address inherent limitations in blockchain technology. There are certain limitations in blockchain technology, such as scalability, privacy, and interoperability, that are required to be addressed before it can become mainstream like any other technology.
Recently, there have been tremendous efforts made toward addressing scalability issues in blockchain technology, which have been discussed in Chapter 18, Scalability and Other Challenges. Also, blockchain-specific improvement proposals such as BIPs (short for Bitcoin Improvement ...
