Mainnet
A mainnet (main network) is the live, fully operational version of a blockchain, where transactions carry real economic value and are permanently recorded.
How it works
The mainnet is the network the public actually uses. Before launching, projects test their software on a separate testnet, where coins have no value and bugs can be fixed safely. When the code is considered ready, the project performs a “mainnet launch,” at which point the network goes live and its native asset becomes real.
Why it matters
Reaching mainnet is a major milestone: it marks the move from experiment to a functioning network handling real funds. It also raises the stakes, because mistakes on mainnet involve real assets rather than test tokens.
Example
A project running only on a testnet is still in trials; once it goes to mainnet, its transactions involve real value.
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