4 ms·
Yes, paypal does something similar for online payments. I'm pretty sure the lag for merchants is longer. Note that PayPal was revolutionary and is worth many b
by ivankirigin 17y ago
Yes, paypal does something similar for online payments. I'm pretty sure the lag for merchants is longer.
Note that PayPal was revolutionary and is worth many billions of dollars - largely because they could handle the fraud this kind of configuration causes.