Paypal is a payment gateway which transfers money from Paypal to Paypal or to a bank account. It is used to sell or buy anything online, and most of the sites offer this payment method. It is a subsidiary of eBay Inc. which means that it is the most trusted site and no chance of any fraud. Most of the sites require verified Paypal account before you can use it for sell/buy stuffs. Having a verified Paypal account means that you have provided additional information to Paypal like your address proof, etc. to prove your identity. A verified Paypal account means that a potential customer has more confidence in your legitimacy. It also removes many limits