Whitecoin is a community-based decentralization project with more than five years of history. The project was launched in early 2014. The main members of the original development team are from the Netherlands, Germany, Finland, Australia and other countries. The newly upgraded Whitecoin will adopt RPOS mechanism to realize the functions such as cross-chain asset management, cross-chain transfer, exchange, and cross-chain value transfer. The upgraded Whitecoin public chain provides three main functions: cross-chain assets management, smart contracts, decentralized exchanges, and the core feature: community governance mechanisms. The upgraded Whitecoin is a cross-chain project, which has reportedly realized the function of cross-chain asset management. The team claims that it is the largest cross-chain public chain in the world. It aims to provide a benchmark and demonstration for breaking the barriers among various public chains. For more details, please see (https://www.whitecoin.info).