They evolved together and this connection remains evident in the responsibility of the central banks to ensure the stability of the payment systems. Some potential benefits include a) less concentration of liquidity in payment systems which make large banks less systemically important and b) enhanced stability for the overall payment ecosystem, depending on the type of the distributed ledger technology.
*** Innovation is something that powers development in the financial sector, has contributed to the 4/6  BIS central bankers' speeches  high standard of living we now enjoy and has made finance more “democratic”. For example, crowdfunding has enabled access to finance to a greater part of the society, while using smartphone apps we can now make mobile payments.