Earlier quoted context omitted.
You say “FedNow will eventually supplement”, and I read through your post, not too thoroughly, but I liked it and saved it to my Pinboard archive. Why couldn’t FedNow eventually replace the system you described though?
It might be able to! I was being a little conservative. It's possible that some of the more obscure abilities of ACH, like death notification entries[1], won't be needed in FedNow or will be replaced separately. But that's idle speculation on my part. [1]: https://www.moderntreasury.com/journal/what-happens-when-you...
Thank you for answering my questions, faster payments is something I think we can all get behind.