Mainnet
Formal
A mainnet is a Blockchain that carries out the functionality of transferring digital currency from senders to recipients. This is different from a testnet, which is just a test of such transaction functionality.
Practical
A mainnet is a Blockchain that carries out the functionality of transferring digital currency from senders to recipients. This is different to a testnet, which is just a test of such transaction functionality. Mainnet is the actual end-product, and is available for the public to use, like Ethereums mainnet Blockchain for example.
