"Signature debit" refers to a type of payment card transaction where you authorize your purchase by signing a receipt instead of entering a PIN number.
Full definition
Debit card spending using
signature debit rose by 6 percent, while spending on prepaid cards rose by 3.8 percent.
The popularity of plastic is predicted to continue to grow, with projections estimating 10.7 % growth for credit and 8.5 %
of signature debit from June 2011 to June 2012.
You can accept all major credit cards,
signature debit cards, echecks and digital payment options like Apple Pay, PayPal and Visa Checkout.