when donating bitcoin make sure to get the address from the official scihub mirrors, which are currently sci-hub.do, sci-hub.st or sci-hub.se.

there are some unaffiliated "mirrors" that only redirect to scihub but list their own bitcoin address for donations, so beware.

/r/scihub on reddit keeps track of this https://www.reddit.com/r/scihub/wiki/index