Kaleido is a public blockchain that implements Algorands consensus protocol, leveraging VRF (Verifiable Random Function) for randomness. It constructs a trustworthy P2P communication network at the transport layer and introduces multi-level permissioned contract mechanisms for different scenarios at the contract layer. Focusing on the gaming industry, Kaleido aims to be a purely decentralized, highly scalable vertical public blockchain capable of accommodating millions of nodes. The core team hails from industry giants like Tencent and Xunlei, boasting over a decade of experience in distributed system development. The team is dedicated to building a simple and user-friendly public blockchain.