Mindsmith, a technology think tank, conducted a semantic analysis of publications from 191 central banks around the world. According to the research, 74% of the world's central banks are interested in blockchain technology. Among the most discussed use cases are central bank digital currencies (retail and wholesale), interbank securities settlement, and data exchange platforms.
Among the Top 10 leading Central Banks in the world in terms of the number of mentions of blockchain technology on the official websites of the Central Bank are: the US Federal Reserve, Bank of England, European Central Bank, Bank of Lithuania, Bank of Portugal, Bank of Thailand, Central Bank of Tunisia, German Federal Bank, as well as Monetary - Credit Office of Singapore
To conclude, the central banks of the world, more or less interested in blockchain technology, account for about 75% of global GDP and 67% of the world's population.