Definition:
A testnet is an alternative blockchain used for conducting experiments without using actual currency. This term is short for ‘testing network’; therefore, any changes done on this network do not affect the main blockchain. Testnets are meant to be used solely by developers; however, some users may also be invited to help test new features.
Explanation:
Testnets are useful since it allows developers to make changes without worrying about affecting the main chain. The coins used in this separate network do not hold any value. Separate wallet addresses must also be created to use coins within the testnet. Therefore, any coins mined or obtained in the testnet cannot be used in the real-world or main chain.
In some ways, this network can be viewed as a beta test environment. Once the new eatures have been fully tested and are deemed successful, they are implemented into the actual blockchain or mainnet.
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