Voting system-about PHP voting activities, what is the method of preventing the ticket from being brushed? Ask for recommendations

Currently known methods:
1. Cookies, session
2. Verification Code
3. URL using token authentication
4. Limit IP
5. Source of vote

What's the best way to find a recommendation?

Reply content:

Currently known methods:
1. Cookies, session
2. Verification Code
3. URL using token authentication
4. Limit IP
5. Source of vote

What's the best way to find a recommendation?

Voting users must be logged in to limit the number of votes per user. Website user Registration must verify the phone number and the phone number is unique in the site

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