https://wpsoul.com/how-to-create-multi-vendor-shop-on-wordpress/#register-and-my-account-page

Which option allows you to bypass subscriber spammers?

  When creating an account, automatically generate a username for the customer based on their first name, last name or email address

  When creating an account, automatically generate an account password.

On wordpress, many subscribers who subscribe are spammers who paste links with websites to viruses or links to their websites, and in this case they do not have to confirm the creation of an account in the email, and I want each subscriber and customer to confirm the creation of an account by clicking in the email. This is the only way to bypass such spammers because they enter fake email addresses. How to do it?