Thanks for your response.
I already have read the report as well as
https://www.fisglobal.com/-/media/fisglobal/files/article/opening-up-a-whole-new-world.pdf
They just mentioned about Ripple. And I couldn't find any relationship with FIS.
And I found the article like this :
https://cointelegraph.com/news/fintech-firm-billon-partners-with-fis-to-explore-blockchain-tech-solutions
(Fintech Firm Billon Partners With FIS to Explore Blockchain Tech Solutions)
So I was just a bit worried about.