Imagine a group of artists rehearsing for a play. They practice tirelessly in a small theatre away from public scrutiny. Here, they can make mistakes, rectify them, and improve their performances. Once confident, they perform the play in a larger, main theater where millions of people can watch them. In the world of cryptocurrencies, the small theatre is the 'Testnet' and that grand theatre where the final drama unfolds is the 'Mainnet.'
The launch of a Mainnet for a new cryptocurrency or blockchain project is typically a major milestone. It's the point at which the project is considered live and operational. This launch can also have a significant impact on the related cryptocurrency's price because it's often seen as a sign of confidence and development progress.
Further, the Mainnet functions as the backbone of decentralized applications (dApps) built on its blockchain. This makes it vital for the functionality of various services in the crypto ecosystem.
When it comes to trading, the Mainnet is the network you are likely to use. On the Mainnet, real tokens are traded and actual transactions take place. Keep in mind, investments here imply real risks as well as potential real profits. In contrast, trading on the Testnet involves pretend tokens and is used primarily for practice and testing.