Interesting,

Information security and source are becoming trend of the study. Application outcomes will be more interesting in Marketing and Pricing strategies.

Regarding to usage of Blockchain: evidence confirmation, evidence identity, confirmation of event location, event time and ext measures should be considered. If it is possible combined within IoT. Here next question narrow down your investigation "What are the measurements for the trustworthy of information"

It might be different from industry to industry.

Good luck

Dear Sir,

Please read this article.

S. Paul, J. I. Joy, S. Sarker, A. -. A. -. H. Shakib, S. Ahmed and A. K. Das, "Fake News Detection in Social Media using Blockchain," 2019 7th International Conference on Smart Computing & Communications (ICSCC), 2019, pp. 1-5,

doi: 10.1109/ICSCC.2019.8843597.

Maybe it will help you a little bit.

Thanks.

Hope it is a good discussion. There are some article to protect users connected through blockchain using smart contract. But, yet the researchers need to work on blockchain that involve directly to detect fake news.

Dear Waris Khan

Have a look:

1. https://ieeexplore.ieee.org/document/8843597

2. Conference Paper Fake News Detection in Social Media using Blockchain

3. https://thesai.org/Downloads/Volume10No12/Paper_43-Proof_of_Credibility_A_Blockchain_Approach.pdf

4. https://www.leewayhertz.com/blockchain-fake-news/

5. https://www.ibm.com/blogs/industries/blockchain-protection-fake-news-deep-fakes-safe-press/

6. https://www.semanticscholar.org/paper/Fake-News-Detection-in-Social-Media-using-Paul-Joy/c939e41903d0387b505417fdd7431f442d54adc7

7. https://afry.com/en/insight/fake-news-detection-framework-powered-blockchain-technology

Kind Regards

Qamar Ul Islam