StarkNet is a Layer-2 scalability solution for Ethereum that is being developed by StarkWare Industries. It is designed to enable high-performance, low-cost, and decentralized computation for smart contracts, decentralized applications (dApps), and other Ethereum-based services.

StarkNet uses zero-knowledge proofs (ZKPs) to provide off-chain scaling capabilities that can handle a large number of transactions without compromising the security and decentralization of the Ethereum network. With StarkNet, developers can build complex smart contracts that require high throughput and low latency while benefiting from the cost-efficiency of Layer-2 solutions.

One of the key features of StarkNet is its support for universal and custom execution environments. This means that developers can deploy existing Ethereum Virtual Machine (EVM) smart contracts to StarkNet without the need for modifications, making it easy to migrate existing dApps to the StarkNet environment. Additionally, developers can create custom execution environments optimized for specific use cases or tailored to their specific needs.

StarkNet also supports the use of tokens, which can be used for a variety of purposes, including payment for transaction fees, staking, and rewards for validators. In addition, it provides a flexible governance model that allows stakeholders to participate in the decision-making process for protocol upgrades and changes.

Overall, StarkNet represents a significant advancement in the development of Layer-2 scaling solutions for Ethereum and is expected to play a critical role in enabling the mainstream adoption of Ethereum-based services and decentralized applications.