Wu Ge doorplate is an original digital asset product of China, which can benefit from the participation of the whole people. It is a digital asset product developed by Wei Xu, the inventor of the global two-dimensional code scanning chain patent pool, based on the new economic ecosystem of the property grid of the scanning chain patent architecture. It is the only one in the world with the triple attributes of "digital real estate +NFT+Internet of Things domain name"; It is an important part of the digital economy infrastructure based on the code chain digital economy ecosystem of "code scanning link, unified code scanning and unified code sending to form a closed loop".