Good news, Master Card does not want to be left behind, the massification of cryptocurrencies is advancing by leaps and bounds, the question is: can these centralized entities such as Master or Visa fulfill in the long term as cryptocurrency service providers? Or is it necessary the irruption of new figures based on the blockchain that seek decentralization and make it impossible for attacks by the States? the latter would undoubtedly be the most suitable, greetings, excuse my bad English.