Something like this is used by russian insurance companies. They should sell motor third-party liability insurance online and prices are limited by the law. It'

Something like this is used by russian insurance companies. They should sell motor third-party liability insurance online and prices are limited by the law. It's not profitable enough for them so they boycot such sales. When you want to by such insurance online they send you SMS verification code, which you must enter on their site. The trick is that this SMS message contains 8-10 letters and some of them are unicode letters and you have only 2-3 minutes to enter it manually, copy-paste is blocked.