[prasoon2211]

This is tangential but you seems really knowledgeable about the payments industry. Can you perhaps recommend some sources to understand how the payments infrastructure works (POS but also web/online/mobile)? I only seem to have a broad idea and would love to understand the nitty-gritty of it all!

[iamacyborg]

This is a good overview of the landscape in the UK, though it's a little out of date.

https://storekit.com/advice/uk-payments-industry/