Petroleos de SAThis was reported in a article on Sept. 26 who cited four anonymous sources with apparent direct insight into the matter.
Venezuela could use bitcoin, ether for international payments
US sanctions on Nicolas Maduro’s regime has made it hard for Venezuelan companies like PDVSA to access the international payments systems. It is possible that due to restrictions in receiving payments via conventional channels, PDVSA opted to get paid by its customers in cryptocurrencies instead.
Venezuela has been proactive in using cryptocurrencies