Looking for logging into the 2fa site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the 2fa site. After that you can login as usual with your login credentials.
https://www.singpass.gov.sg/
https://www.singpass.gov.sg/singpass/resources/pdf/SetupSMS2FA.pdf
https://www.securenvoy.com/en-gb/two-factor-authentication/what-is-2fa
https://www.google.com/landing/2step/
https://authy.com/
https://en.wikipedia.org/wiki/Multi-factor_authentication
https://www.ifaq.gov.sg/SINGPASS/apps/fcd_faqmain.aspx?qst=hRhkP9BzcBImsx2TBbssMsxu7lqt6UJK70a1wAEVmyfs088CcPukP0Z%2Fgcnfh9AbtWrYT656e7ZXhmD5O3lXu68xWHXaIaPp32JjGN93x5ViA5Eh4hN4KH0bQyg%2B6UDke%2B1e25xkMPfOLv7IYVshBZ%2BjHTJCL%2FVkN6jw%2B%2BpcQRs0lYfvFSkF9fMGoer%2BBoDzSQTeZMUAIymxH7WDoujx2eoQjc72aSsff2kHDCKkQhk%3D
https://www.corppass.gov.sg/corppass/common/downloadtemplate?file=CP_User%20Guide%2001E_Set%20Up%20CorpPass%202FA%20for%20Foreigners.pdf
https://support.blockchain.com/hc/en-us/articles/211164103-Enable-2-Step-Verification-2FA-
https://www.facebook.com/help/148233965247823
https://www.iras.gov.sg/irashome/uploadedFiles/IRASHome/e-Services/Other_Taxes/How%20to%20login%20to%20EASY%20with%202FA.pdf
https://help.twitter.com/en/managing-your-account/two-factor-authentication
http://www.limtan.com.sg/page/site/public/faq-2fa.jsp