First, IBM, working with five major banks in Canada, is building the Blockchain infrastructure between the banks. They are already half-way there! When that becomes realized, all those transfers and bank transactions including e-transfers and wires between banks will be completed within micro-seconds. The challenge here is to make all the formats of GL (General Ledgers) in each bank coherent. (You will learn what it is in the course below) However, when those GLs become coherent, a big change will happen.