Is it reliable to use the IP address to identify a user on your website?

Question

Here is my situation. I am part of a project creating a P2P charity website, where users connect and can give money to one another. Because of the nature of the site, we kno

Answer 1

If you want to identify users, you can use a cookie. One solution uses a combination of cookies, local storage, flash, and other state information that can be stored in a browser: http://samy.pl/evercookie/

Nothing is 100% reliable. These cookies can be erased by a determined user, or in some browsers with one click. Ultimately, in many countries outside of the USA, a user has the right not to be tracked.