A blockchain social input consultant is a professional who specializes in providing guidance and expertise on utilizing blockchain technology for social input purposes. They help organizations and individuals leverage blockchain to enhance transparency, accountability, and participation in decision-making processes.

As for the 15 features/advantages of a blockchain social input consultant, here are some possible examples:

1. Expertise in blockchain technology and its applications in social input.

2. Ability to design and implement blockchain-based platforms for gathering and analyzing social input.

3. Knowledge of decentralized governance models and their integration with blockchain.

4. Understanding of data privacy and security measures in blockchain systems.

5. Experience in facilitating inclusive and diverse participation in social input processes.

6. Familiarity with smart contract development for automating decision-making procedures.

7. Skill in integrating blockchain with other emerging technologies like AI and IoT.

8. Ability to assess the feasibility and scalability of blockchain solutions for social input.

9. Proficiency in conducting audits and evaluations of blockchain systems.

10. Capability to educate and train stakeholders on blockchain technology and its benefits.

11. Awareness of legal and regulatory frameworks related to blockchain and social input.

12. Aptitude for identifying and mitigating potential risks and vulnerabilities in blockchain systems.

13. Capacity to collaborate with multidisciplinary teams to develop comprehensive blockchain solutions.

14. Understanding of the social, economic, and environmental impacts of blockchain technology.

15. Commitment to ethical and responsible use of blockchain for social input purposes.

Please note that these features/advantages may vary depending on the specific expertise and experience of the blockchain social input consultant.