This reminds me of a question I've had for the longest time (+): why is it that in the US wiring money between accounts is so expensive or difficult? Whole ecosystems of companies have sprung up (PayPal and Stripe come to mind, and apps such as TransferWise) to reduce the friction when the banks could easily set up a way cheaper system that would actually be better (privacy etc.) for the consumer. The EU seems to be…
A partial answer is also the US's approach to banking regulation. First off, the US prioritizes having many small community banks. The US has 4,909 banks, while Japan has 198. This necessarily makes setting up inter-operation between banks more complicated. Second, US banks are regulated on both a Federal and State level. A system that works for a bunch of banks in California may not be viable for interoperation with…
Technically this is true but the clearing houses were set up a long time ago to solve this problem and they work fine