RCB (Real car buying) is the first public chain project in the world that supports cryptocurrency and focuses on automobile market value exchange. It adopts the new era automobile industry of "blockchain+5G+AI".RCB technical features:(1) High efficiency, time saving, cost reduction, and more accurate transactions;(2) Transparent operation process, fair and impartial, without any interference;(3) Cannot be tampered with, and the process will be enforced in case of breach of contract or other circumstances;(4) High accuracy, no human involvement required, thus eliminating errors.RCB, as a cryptocurrency company that subverts the automotive industry, aims to maintain equality and complete decentralization for all.The new technology competition brought by the RCB system is not a single business or a single point of trust change, but a systematic ecotype change, which is also the revolutionary element of RCB. Enable community participants to ensure the security of content, marketing, e-commerce and other related information through a unified ledger system without the need for mutual understanding and trust, and establish a trustworthy ecological environment to establish a car connected community that matches people, vehicles, and scenarios. It has significant significance for car users, vehicle and third-party service providers, e-commerce traders, advertisers, live social media, and other content sharers in the community....