2 ms·
My guess would be single message (debit) vs dual message systems. They probably want to hold / authorize a large amount first as insurance.
by lmz 6y ago
My guess would be single message (debit) vs dual message systems. They probably want to hold / authorize a large amount first as insurance.
- namdnay 6y agoWhat's strange is that you can authorise on debit cards (at least french ones)...