# What is OTP code? The importance of OTP authentication code to users

For online transactions or login to social networking sites, you are probably no stranger to OTP codes. So what is the OTP code? Current popular OTP codes. And how can you secure and pay online or log in in the most secure way? Let's find out with Vbee through the article below.

What is OTP code?
OTP (One Time Password) is a string of characters or numbers provided by service providers such as banks, or social networking sites, apps, etc. OTP authentication code is only effective at the time of using the transaction. translation is in progress when sending the request, has no effect on subsequent transactions. Usually OTP codes are valid for a very short time, about 30 seconds to 1 minute

Usually OTP codes are used to verify the security of online transactions, especially in the financial sector. The use of OTP increases the security of transactions as well as reduces the risk of hackers accessing when you lose information.
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