Dip your brain into the amazing world of increasing abstraction & light-speed transactions. Any banker who has had to deal with the SWIFT system of "wire transfer" transactions would tell you what a pain it is and how expensive it is. Of course at the birth of SWIFT their counterparts could only sing the praises of the "next big thing" in international finance. So Amaze! Such Safe! Oh Wow!
Now IBM, which has enabled transformation in everything from corporate finance to extermination camp census systems, wishes to be at the forefront of the coming transformation in central bank tech. And, it would appear they have most pieces of the puzzle in place to do it right: central control of tokenized transactions recorded on proprietary blockchain systems. Yup, something really is Coming Soon™...