Payments & Rails
How Instant Payment Rails Differ From ACH
Both move money between bank accounts without a card. The difference is not really speed — it is when the transfer stops being reversible, and who is exposed while it still is.
Tag
settlement
2 articles.
Explainers
What Settlement Finality Actually Means
A payment that has 'gone through' has not necessarily finished. Finality is the moment a transfer becomes unconditional and irrevocable, and it arrives at a different point on every rail.
