The Rust node is a part of the Tezedge project, which is a decentralized platform for building and running distributed applications. Tezedge is an open source project that allows developers to build applications on the blockchain without the need for a centralized server. The Rust node is a part of the Tezedge project and is responsible for providing a secure and reliable environment for distributed applications. It is taking over from other nodes in the network, such as the Ethereum node, and is providing a more secure and reliable platform for developers to build on.