How can I make it more difficult for a user to create multiple accounts in my website?

[Shield]

I would like to know the best way to increase security on a website so that the a single user can't create multiple accounts.

What all of a user can be traced? I'm thinking:

• IP address
• Mac address
• Browser details
• Computer name and its details

I know an IP address can be spoofed but is there a work around to still identify a banned user? Maybe a combination of IP, MAC, and computer details?

Can we ban users on the basis of their MAC address? Is there any other way to trace them to stop them creating multiple accounts?

 

[ehthe]

website

Mac address

 

[Shield]

i need some method> with script

 

[Multivit4min]

You maybe want to check out this Project https://valve.github.io/fingerprintjs/

Fingerprinting is a technique, outlined in the research by Electronic Frontier Foundation, of anonymously identifying a web browser with accuracy of up to 94%.

 

[ehthe]

You maybe want to check out this Project https://valve.github.io/fingerprintjs/

new version https://github.com/Valve/fingerprintjs2

 

[Shield]

You maybe want to check out this Project https://valve.github.io/fingerprintjs/

Thanks Brother

new version https://github.com/Valve/fingerprintjs2

Thanks Sweety

new version https://github.com/Valve/fingerprintjs2

But how to install this into my website? :3 i don't have good experience with java scripts