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QR code to validate access to my site prevent logins with the same credentials.

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.

Квалификация: App Designer, HTML, PHP, Архитектура ПО, Разработка ПО

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О работодателе:
( 19 отзыв(-а, -ов) ) São Miguel, Brazil

ID проекта: #15289579

11 фрилансеров(-а) в среднем готовы выполнить эту работу за $152

jinzhenzhu8691

My name is LiMing. I read your description carefully and have some questions related to project development. ---- My plan -- When user is going to login into a special page, to allow login , user have to scan QR co Больше

$155 USD за 3 дней(-я)
(23 отзывов(-а))
7.2
MCAabhinavS

Hello Sir, we have rich experience in android apps development. I am really interested in your application so i have placed a fair price. Please consider my bid.100% payment once job done. Relevant Skills and Experie Больше

$221 USD за 12 дней(-я)
(63 отзывов(-а))
7.2
malviyamanish

Hello sir, I am Professional and highly expert web developer/Andriod app developer/ IOS Developer having more than 8 years experience in application development. I can do your task. Relevant Skills and Experience I Больше

$172 USD за 3 дней(-я)
(254 отзывов(-а))
7.8
NayaPakistan

A proposal has not yet been provided

$100 USD за 2 дней(-я)
(283 отзывов(-а))
6.8
$150 USD за 3 дней(-я)
(22 отзывов(-а))
6.2
deldnm012

Dear Hiring Manager, I have read you project description and i have few questions about it. Just say "Hi" so we can start discussion about it. Thank You Relevant Skills and Experience PHP | App development(android and Больше

$155 USD за 3 дней(-я)
(68 отзывов(-а))
5.9
Shripx

I understand your requirement and ready to develop the QR code on your proposal. please respond for further communication for better understanding of project and faster working. thank you. Relevant Skills and Experien Больше

$200 USD за 10 дней(-я)
(31 отзывов(-а))
5.2
nisthark

Hi Sir, My name is Nisthar. I am a Software & Web developer. I have good experience in working with QR code. I can integrate qr code scanning and verification to your website. Please contact me. Relevant Skills and Ex Больше

$135 USD за 2 дней(-я)
(16 отзывов(-а))
4.8
rslavovwork

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

$72 USD за 1 день
(36 отзывов(-а))
4.4
$155 USD за 3 дней(-я)
(8 отзывов(-а))
4.3
kristories

Thank your for your job posting. I am very much interested to work in your project. I have experience with similar job. Relevant Skills and Experience PHP + Session + Request + Response Proposed Milestones $155 USD - Больше

$155 USD за 2 дней(-я)
(6 отзывов(-а))
3.5