The UK’s Payment Systems Regulator (PSR) is currently consulting the market on the issue of “big tech” and digital wallets, highlighting the importance of both in the future of retail payments. In particular, they are interested in looking at the barriers to digital wallets integrating account-to-account payments (as a means to bring more competition to the sector) and the wider issue of how wallets choose the payment system for transactions. Which, of course, raises the question of who choses and how conflicts are resolved.
The scenarios that
So, I finish my shopping and walk out of the supermarket, at which point the supermarket