This cryptocurrency news content explains the importance of testnets for developers to safely test smart contracts and dApps without using real funds. It introduces the Sui testnet, which is designed for developers to test their projects in a secure environment. The content provides a step-by-step guide on how to obtain free SUI testnet tokens through the built-in faucet in the Sui wallet or through the official Sui Discord channel. It emphasizes that testnet tokens have no monetary value and are used solely for testing purposes. The content also highlights the differences between Sui DevNet, Sui Testnet, and Sui Mainnet in terms of their purpose, security, and stability.



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