What can users do with the Manta network?
As a cryptocurrency enthusiast and investor, I'm keen to learn more about the Manta network. Could you elaborate on the various functionalities and use cases that users can leverage with this network? Specifically, I'm interested in understanding how it enables privacy-preserving transactions, what kind of decentralized applications can be built on it, and whether it offers any unique features that set it apart from other blockchains. Additionally, I'd like to know if there are any limitations or challenges that users may encounter while utilizing the Manta network.