A blockchain UX/UI designer is a professional who specializes in designing user interfaces and experiences for blockchain applications. They have a deep understanding of blockchain technology and its unique requirements.

Here are 15 features/advantages of a blockchain UX/UI designer:

1. User-Centric Design: They prioritize the needs and preferences of the end-users to create intuitive and user-friendly interfaces.

2. Security: They ensure that the design incorporates robust security measures to protect user data and transactions.

3. Simplified Onboarding: They create interfaces that make it easy for users to understand and navigate the blockchain application, even if they are new to the technology.

4. Transparency: They design interfaces that provide clear and transparent information about transactions and data stored on the blockchain.

5. Consistency: They maintain a consistent design language and visual elements throughout the application to enhance user familiarity and ease of use.

6. Accessibility: They consider accessibility standards to ensure that the blockchain application can be used by people with disabilities.

7. Error Handling: They design error messages and notifications that are clear and helpful in guiding users through any issues or mistakes.

8. Responsive Design: They create interfaces that adapt to different screen sizes and devices, providing a seamless experience across platforms.

9. Intuitive Navigation: They design navigation systems that allow users to easily move between different sections and functionalities of the blockchain application.

10. Feedback Mechanisms: They incorporate feedback mechanisms to gather user input and improve the overall user experience.

11. Visual Hierarchy: They use visual cues and hierarchy to guide users' attention to important information and actions.

12. Performance Optimization: They optimize the design to ensure fast loading times and smooth interactions, even when dealing with large amounts of data on the blockchain.

13. Compatibility: They ensure that the design is compatible with different browsers and operating systems, providing a consistent experience for all users.

14. Scalability: They consider the potential growth of the blockchain application and design interfaces that can accommodate increasing user demands.

15. Collaboration: They work closely with developers, stakeholders, and other team members to ensure a seamless integration of design and functionality.