Many sites, like Facebook, have this feature.
Chess.com, however, does not.
Why?
What's wrong with allowing members to sign up via mobile number?
Does Eric believe there is a risk that the creepier members of his mod panel might CALL the people who thus sign up?
As Erik has answered previously, he thinks it would be too much work.
https://www.chess.com/clubs/forum/view/2-step-authorization-at-login-feature?comment=44799748
Many sites, like Facebook, have this feature.
Chess.com, however, does not.
Why?
What's wrong with allowing members to sign up via mobile number?
Does Eric believe there is a risk that the creepier members of his mod panel might CALL the people who thus sign up?