The continuous development of the Internet and the continuous changes in digital technologies such as artificial intelligence, blockchain technology, and AIGC technology mean that digital technology is the direction of future urban development. With the development and progress of society, problems such as environmental damage, lax regulatory systems, and low enthusiasm of people to protect the environment frequently occur. The quality of the global environment and social development develop in inverse proportion. As one of the key technologies for the development of future digital cities, blockchain technology has the characteristics of decentralization, openness, non-tamperability, traceability, and incentivization, which can meet the public’s openness and incentives for ecological and environmental protection behaviors. change. Use the “incentive mechanism” and “distributed ledger” technologies in the blockchain to improve the public’s behavioral enthusiasm for protecting the ecological environment and the standardization of resource utilization, and ensure the authenticity and real-name nature of the data obtained from participating in ecological protection activities. Fundamentally implement technology and ecological environmental protection measures to promote the construction of ecological civilization in the digital era.