ST PETERSBURG, Russia :German Gref, CEO of Russia's dominant lender Sberbank, on Wednesday said he did not see any potential benefits to Russia's development of the digital rouble beyond the possible exception of cross-border settlements. Russian banks will be required to offer customers the means to make payments using digital roubles from September 1, 2026, the central bank said last week, pushing the project's planned launch back by over a year. More than 130 countries are exploring digital