Testnet

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A testnet is a separate blockchain network created to test and experiment with the current system without interfering with the native blockchain. The cryptocurrency coins used for testnets are intended to lack value.

 

Two-Factor Authentication

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Two-Factor Authentication, generally referred to as 2FA is a multi-step verification process that requires an individual who is trying to access an account to provide an additional piece of information along with a username and password. Typically the second form of verification is retrieved from a device that is only accessible to the account holder such as a cell phone (SMS), an email account, a two-factor authenticator app or a hardware authenticator.