I was dumbfounded to receive this message yesterday. I made this project over 3 years ago and I didn’t even know about hacker rank at that time. This project was made because I was seeking a contract job and they asked me to create a leaderboard in react which i did with no code copying whatsoever. I implemented it in react hooks which wasn’t natively built into react so I used preact which had the newest feature set. If anything did hackerrank use my work to seed their tests? I see that as the likelihood. Also it could be because I used the text copy from the contracting job that asked me to create a leaderboard in the readme. In truth it could be either but this has become yet another pitch fork into a very difficult time where I have no job or money to do anything.