### What is QuarkChain?

QuarkChain is an EVM-compatible blockchain infrastructure designed to enhance scalability and customization. It utilises sharding technology to increase transaction capacity and support cross-shard transactions. QuarkChain aims to provide a secure, decentralized, and highly scalable platform capable of processing over 100,000 transactions per second (TPS).

### How does QuarkChain work?

QuarkChain operates on a two-layered architecture consisting of shards and a root chain. Shards process transactions independently, while the root chain confirms transactions to ensure security and decentralization. It uses a Proof of Work (PoW) consensus mechanism on shards and plans to implement Proof of Staked Work (PoSW) on the root chain. QuarkChain also supports Ethereum smart contracts via EVM compatibility, facilitating the migration of decentralized applications (dApps) from Ethereum to the QuarkChain platform.

### What are the potential use cases for QuarkChain?

QuarkChain's scalable architecture makes it suitable for various use cases, including:
- **Decentralized Applications (dApps):** Supports Ethereum-compatible dApps with enhanced scalability and lower fees.
- **Gaming and Entertainment:** Powers gaming platforms and applications with high throughput demands.
- **Financial Services:** Facilitates DeFi products like staking and trading platforms.
- **Artificial Intelligence and Big Data:** Supports applications requiring high transaction speeds and capacity.
- **Environmental Governance:** Utilized in blockchain-based environmental management platforms.

### What is the history of QuarkChain?

QuarkChain was founded in 2018 by Qi Zhou to address blockchain scalability issues. The project launched its testnet in 2018, followed by its mainnet in 2019. Key milestones include achieving over 318,000 TPS in competition and launching mainnet upgrades and staking features. QuarkChain collaborates with various partners, including AWS, to expand its technological capabilities and use cases in different sectors.

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