When the government spends the money collected from taxes, the process should be transparent to taxpayers. Existing systems have limited access but are vulnerable to inside malicious actors, and the paradigm “security through obscurity” does not work.
Blockchain provides the best way to design such systems so anyone can audit the information inside while keeping some parts private but still immutable.
Being the basis of ownership - titles on land or property are kept in a secure system with strict access control on writing and updating data. At the same time, the fact that the system is centralized makes the situations with disputes hard to solve in a short time.
Blockchain can serve as a single source of truth, open to a certain level for anyone, eliminating any friction in actors' relationships in this area.
Since the rise of democracy, the voting process has always been treated as a black box with limited access that should be trusted for the system to work. With technology adoption, information access is easier, so almost every issue during the voting makes people doubtful of the honesty of the process.
Blockchain has introduced new ways of working with cryptography that ensure voting privacy and correct counting of votes, eliminating any potential fraud.