I need to prevent two or more users from logging in to my site with the same credentials. I need a QR code application to validate access to my site or a specific page of my site in order to prevent logins with the same credentials.
11 фрилансеров(-а) в среднем готовы выполнить эту работу за $152
Hello Sir, im ready to start work on your project immediately. If you have any questions feel free to ask me. Thanks and regards! Relevant Skills and Experience PHP MYSQL Proposed Milestones $72.22 USD - m