Fed to consider 'possibility of issuing' central bank digital currency (CNBC Television) (5-20-2021)
Global cryptocurrency, controlled by global government, to control 'human body activity' as outlined by international patent #060606.
WO2020060606 - CRYPTOCURRENCY SYSTEM USING BODY ACTIVITY DATA
Microsoft Patent Describes Tracking Brain Activity to Mine Cryptocurrency
Cash will eventually be done away with, completely replaced with a digital global currency. You will then no longer be able to buy and sell freely. All your sales and purchases will be tracked and taxed in a micromanaged fashion. Your ability to buy and sell will be dictated by your 'social score', and can be disabled if the state deems necessary.