Blender.io was using cloudflare for years. Plenty of Russian darknet forums use or used cloudflare. If you have some other alternative but cloudflare let me know
Also, Blender.io "went MIA" all of a sudden.
How come the
US Authorities decided to sanction them? I am pretty sure they were surveilling them, and even they knew how the Korean hackers mixed the coins through the mixer.
About the alternatives, that's your work to do, my friend. I am just helping you look at things from different angles, so you can improve on your service where necessary.
It was probably scam exit after the case where money suddenly disappeared from their Blender wallet, you may read about it on the web