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

No.

Many connections are behind NAT (One public gateway IP address for many people), or use DHCP (frequently changed IP addresses).

An IP address is one of the worst ways of identifying a user.