Babbitt reported that on August 24th, the US local time, "2019 than the original global developer conference" officially opened in San Francisco, USA. ProofChain, the representative of the conference, said that SeanZhang is a AI-based copyright registration and protection platform based on the original chain. Users can link the works and obtain the copyright certificate. At the same time, users can also carry out the copyright certification. Free to buy and sell, even set up an auction or participate in auctions. In the future, ProofChain will launch value-added services, provide investment incentives, create a crowdfunding platform to fund user creation, use cryptocurrency incentives to support community building, and strengthen community interaction.