DocChain addresses several key problems in different domains, leveraging a combination of AI and Blockchain technology to provide effective solutions:

1. Intellectual Property Infringement in Vietnam:
   The National Office of Intellectual Property in Vietnam reports alarming levels of intellectual property infringement, leading to significant financial losses from counterfeit goods. Manufacturers resort to various anti-counterfeiting labels, yet counterfeit products persist, causing consumer challenges and damaging the reputation of genuine products. DocChain helps combat this issue by utilizing Blockchain's transparency and verification features. Through the incorporation of Vision AI, the system ensures accurate analysis and authentication of document images. Blockchain's transparency ensures that information is securely stored and can be verified across the network when authorized access is granted. This can help trace the authenticity of products, reducing the prevalence of counterfeit goods and protecting both consumers and manufacturers.

2. Prolonged Document Notarization Process for Job Seekers:
   The lengthy process of document notarization poses a challenge for job seekers, leading to demotivation and missed opportunities in the competitive job market. Administrative complexities and bureaucratic delays hinder candidates' career growth, particularly affecting recent graduates and job changers. DocChain addresses this challenge by streamlining the notarization process through the integration of AI and Blockchain. Vision AI technology ensures accurate content verification, while Blockchain's transparency and verification features enable efficient document authentication. Collaboration among governments, educational institutions, and employers, along with digital solutions, further enhances the process. unnecessary delays and obstacles.