If you encounter numerous redirects to cryptocurrencytopnews.com, other unwanted or suspicious web sites, then it is possible that your web browser or system is infected by adware. I would recommend you to follow the steps: How to stop pop-up ads.
If you’re seeing unwanted pop-ups or ads in your web-browser, you might have an adware installed on your computer. Use the following guide to stop pop-up ads and remove malicious software. Or ask for help here.