The higher incomes generated from the mineral boom will be felt by employees, shareholders (some of whom are overseas) and by governments (via various taxes). Depending on how these entities respond to these gains in income, there will be subsequent effects on economic activity around the country.
As published by the Bank of International Settlement in 2018, CBDCs are a new form of digital central bank money that can be distinguished from reserves or settlement balances held by commercial banks at central banks. Hence, CBDCs may be considered legal money and should not be intertwined with cryptocurrencies, which are decentralized digital currencies based on blockchain technology.