How to generate unique hash token in Magento 2?

In Magento 2, You can generate a unique hash token for your custom functionality where you need to pass id or variable as encrypted.

Magento uses this functionality, generate a unique hash token for reset password confirmation link.

If you want to do a generate unique token you need to use Core Magento\Framework\Math\Random class to accomplish your requirement.

I have created a Block to add function and dependency class,

You can use this function with $this->generateUniqueToken() to anywhere in your class or use in template with $block->generateUniqueToken();

The result will be unique string look like, MmoZyEKE3RtZKxcSS1rau0rkie2ZvttQ