Filipe's answer :
Technology Google Cloud Platform at least for any changes of rights and ownerships in basis of the service of handling of the WUW's General Ledger with certifications included and service cash back when the user of the PSH data-valuation app decides to push the button "cashCall".
No problem with bank system.
Because even if the clasic savings deposits would slow down the benefice of a fixed interest rate from which the spread for borrowing would get a solid calculation basis.
Also the benefice of the new arrangement (folks use of the money data-valuation practice) would tonify investments in quantities and quality, all alleviate some of the system's difficulties.
Moreover if we dont need the last computacional Google's abilities we would preserve the standards for complete conjunctural efficacity.
Where are system efficacity gains ? :
Because on design US CBDC would get it substance as a new type of Central Bank money when The USA-FED frames the persons activity (the money date-valuation) to merging in each US$ the amounted time starting of monetary burden allocation at this new support of value. The all for the algorithmical effet of *cash-sharing-production-to-share-day-cash-results* , by the creation (Fed's authorized) of each owndated digital objec, 1 unit of "personalized digital dynamic savings" = each unit of the new US CBDC = 1 UUS$$ (universocial US dollar, cash producer).
Because The US Treasury and nation would welcome the utility of a new instrumental taxable source - the webcashmatic results-, as growing fontain of webtaxmatic accounted resources sprouting in permanent mode dynamized webmatic.