1. We initiated our project's development in October last year and have open-sourced the initial version, gradually transitioning it to organization account on GitHub. 

2. The event knowledge graph's smart contracts will be deployed on the layer-2 chain of Ethereum(such as ZKSync), ensuring each verified event is securely stored on-chain. We believe the event knowledge graph is an essential infrastructure for the web3 ecosystem, providing a mapping of the real world into the digital realm. It is crucial to have a genuine historical record written on the blockchain.