Utilize your financial knowledge, give your answer or opinion to the input question or subject . Answer format is not limited.

Why are the banks and their customers in the United States still using checks? [duplicate]
In a system where electronic payment is well developed you can consider the following 2 scenarios: Now let us zoom in. Regardless of what costs are actually charged, it should not be hard to see which system is most (real cost) efficient once electronical payments are well developed. And so, the conclusion is not hard to reach: