There was a discussion a couple of years ago around how ACH works. ACH is the dominant system of money transfer in the US and takes 2-5 business days on average

There was a discussion a couple of years ago around how ACH works. ACH is the dominant system of money transfer in the US and takes 2-5 business days on average for a transfer, compared to the real-time systems in many other countries. https://news.ycombinator.com/item?id=7636066 https://news.ycombinator.com/item?id=7636066