On May 9th, Baidu Smart Cloud hosted “ABC Tech On 2019 Technology and Application Forum | Blockchain” in Shanghai, and released two innovative solutions on the spot: Trusted Data Eco-chain Solution and Blockchain Audio and Video Copyright Protection solution. Trusted Data Eco-chain solution provides one-stop enterprise-class trusted data collaboration solution; blockchain audio and video copyright protection solution covers three major scenarios: copyright confirmation, copyright transaction and copyright maintenance, and also has anti-theft chain , video encryption, watermark overlay and other supporting capabilities.