Last year, Singapore and Thailand became the first countries to do this and it has reduced costs to consumers. [3] A number of similar projects are being explored elsewhere in the world. As part of this exploration, the BIS Innovation Hub has been developing a bridging platform for the connection of numerous fast payment systems through the standardisation of business and technical payment processes.
We  7  are engaged in this work and I sit on the Advisory Board for the BIS Innovation Hub. Whether or not this is the best solution is still to be determined, but the direction of change is clear.