The Kelly protocol is a platform that connects different offline stores and consumers based on blockchain technology. Stores and consumers are the most important participants in the Kelly Agreement, mainly engaging in various ways of communication and interaction through the Kelly Agreement. In addition, it is believed that many initial stores will become advertisers and engage in multi-channel business marketing through the Kelly Agreement. CRE is the main token of the Kelly protocol, which can be used to pay for the use of smart contract services, reward viewing of advertisements, and conduct product transactions....