What is the hidden field generated by the AntiForgeryToken helper used for?

Question

HTML

The helper generates such code. What is it for?

<input name="__RequestVerificationToken" type="hidden"
 value="JIh0jc3H_LbPxMT1fIeUvC1gyeOxqER5-jKB67XffXdGzxd79HcQEUUn9kbfBey6AahaO9M_PeGYOz_qbaHw_MHTNwrRtt4jrybTaJ63FKY1" />

Answer 1

To protect against CSRF attacks

Answer 2

In order to be protected, the method must be marked with [ValidateAntiForgeryToken]
metanit.com/sharp/mvc/8.6.php