5 ms·
FWIW, Square's chip reader seems to be much faster than many others.
FWIW, Square's chip reader seems to be much faster than many others.
Can confirm. Just set a Square reader up for my local school's parents' association and it's so quick I had to do a double-take as to whether the payment actually had been made.
I've noticed this too. It's blazing compared to the average Verisign