BRB iragabisha abacuruza amafaranga batisunze amategeko Amashirahamwe yo mu Burundi asabwa kwiyandikisha bushasha 'U Burundi bugiye gutangura kwimba Coltan' Haciye amezi make ibanki nkuru y'igihugu, BRB, igabishije Abarundi kwirinda urudandazwa rw'amafaranga rukorwa biciye mu mihora ngurukanabumenyi bita 'monnaies virtuelles' canke crypto-monnaies.
