PayPal is an online payment service, which is widely used around the world to securely send money over the internet without giving details of your credit card to the merchants. It is mainly used to pay for your purchases on the internet auction site eBay.com, but is supported by a number of other eshops and many people also use it for fundraising.
More information on the website http://www.paypal.com/.

If you want to send us a donation in a different way than by bank transfer, PayPal offers two more options. The "Donation" button (see BioLib, o. s. page) will take you to a page where you can enter donation amount and proceed depending on whether or not you have PayPal account.

Send donation using PayPal account

To pay directly through PayPal, you must be registered on http://www.paypal.com/. The registration is easy and free. Link your credit card with PayPal account and you'll be able to pay in supported e-shops and send donations without revealing your credit card details to other people. There are no fees for paying through PayPal.

Send donation using credit card

If you don't own a PayPal account and you don't want to register, PayPal also functions as a secure payment gateway. On the left of the page you will find a text "Do not have a PayPal account? Use your credit card or bank account (where available)." and click on Continue. Enter your name and address (for verify the identity of the card holder), enter your credit card details and confirm.